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TAS5110DAP - 50W Stereo Class-D Power Stage | Texas Instruments
TAS5110DAP

TAS5110DAP - 50W Stereo Class-D Power Stage | Texas Instruments

Texas Instruments TAS5110DAP is a stereo Class-D digital audio power stage rated for 50 W RMS per channel at 10% THD and 40 W RMS per channel at 0.1% THD. It uses Texas Instruments Equibitt true-digital audio amplification technology, provides 93 dB dynamic range in a TDAA system, and operates from a 32-pin HTSSOP package with an exposed thermal pad. The device is designed to work with a TAS50xx digital audio PWM processor rather than as a conventional analog-input Class-D amplifier. A true digital audio amplifier, or TDAA, is a power-management and signal-processing IC that converts digital audio data into a high-power PWM output stage. Within the broader hierarchy, it combines a digital audio processor with a switching power stage to provide efficient low-distortion speaker drive. The TAS5110DAP handles the power-amplifier role, while the associated TAS50xx processor manages digital audio decoding, modulation, channel control, and system-level audio functions. Key features include 50 W RMS output at 10% THD, 40 W RMS output at 0.1% THD, typical THD+N below 0.09% with a 1 kHz input signal, and 93 dB dynamic range in a TDAA system. Its power efficiency can exceed 90%, reducing the heat dissipation and enclosure size normally associated with high-output audio amplification. The integrated exposed-pad package supports removal of power-stage heat through the PCB copper area. Technically, the TAS5110DAP operates as a dual-channel PWM power output stage. Each channel can deliver 50 W RMS under the stated 10% THD condition, while the lower-distortion 0.1% THD condition supports 40 W RMS per channel. The published 93 dB dynamic-range figure applies to a complete TDAA system rather than an isolated analog-input amplifier. This distinction is important when comparing it with conventional analog Class-D or Class-AB audio amplifiers. Typical applications include home-theater and active-speaker systems, compact stereo amplifiers, powered subwoofers, digital audio racks, and consumer television or set-top equipment. The TAS5110DAP is particularly appropriate where a digital audio signal is already available, system efficiency matters, and analog-to-digital conversion should be avoided. It can also be paired with an external digital PWM processor to create a complete true-digital amplification channel. Designers should use the manufacturer datasheet for the exact supply limits, pin assignments, exposed-pad land pattern, thermal data, and recommended output-filter values. PCB layout must provide a low-impedance power and ground path, adequate decoupling, controlled switching-node routing, and a substantial thermal copper area beneath the exposed pad. Thermal performance depends strongly on the board copper, thermal vias, enclosure, and sustained output level. This product record combines the TAS5110DAP power-output specifications, package information, application context, engineering guidance, and structured comparison fields. It also distinguishes the device from analog-input audio amplifiers by explaining the required digital audio processor, PWM architecture, efficiency considerations, and PCB constraints that materially affect a practical high-power design.

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TAS5111DAD - 70W Mono Class D Power Stage | Texas Instruments
TAS5111DAD

TAS5111DAD - 70W Mono Class D Power Stage | Texas Instruments

The Texas Instruments TAS5111DAD is a mono Class D digital amplifier power stage rated for 70 W RMS into a 4-ohm bridge-tied-load speaker. It is packaged as a 32-pin HTSSOP power device and is intended for audio systems that use a separate digital audio processor to generate the PWM command signals. Its primary function is efficient speaker drive, while its digital control architecture provides the interface required by a host audio processor. A Class D digital amplifier power stage is a semiconductor subsystem that converts processor-generated pulse-width-modulated signals into a high-current differential output capable of driving a loudspeaker. It belongs to the amplifier IC hierarchy and, more broadly, to audio signal-chain and power-conversion electronics. Compared with a traditional linear audio output stage, the switching architecture can reduce wasted energy and heat while supporting compact audio products with high output power. According to the Texas Instruments datasheet, the TAS5111DAD supports 70 W RMS power in a bridge-tied-load configuration into 4 ohms with less than 1% distortion. The device is specifically positioned for DVD receivers, home-theatre systems, mini and micro component systems, and internet music appliances. Its mono architecture is useful when a system needs independent amplification for separate left and right speakers using two power stages. The power stage receives digital audio information rather than a conventional analog audio waveform. A digital audio processor performs filtering, volume control, and modulation before sending PWM data to the TAS5111DAD. This division of responsibility allows system designers to separate digital signal processing from the high-power analog output stage, simplifying control of volume, equalization, channel mapping, and system-level mute behavior. Typical implementations include powered home-theatre speakers, compact stereo systems, multimedia speakers, and internet-music appliances. In each case, the TAS5111DAD can drive a low-impedance speaker from a short digital command path while leaving decoding and signal processing to a companion controller. The design must still account for the device's thermal requirements, exposed-pad layout, output filtering, and speaker wiring. Use the manufacturer datasheet for the exact pin assignment, power-supply limits, control-interface timing, output filter recommendations, and exposed-pad layout. The 32-pin HTSSOP power package requires a carefully designed PCB with adequate copper for heat dissipation and very low-impedance power and ground connections. Incorrect filtering or poor thermal coupling can limit performance even when the electrical power capability is sufficient. This product record combines the device's published power rating, package identity, application targets, and sourcing information with practical guidance on PCB implementation, thermal management, filtering, and system integration. It also provides verified source links for engineers comparing the TAS5111DAD with other mono Class D output stages.

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TAS5112DFD - 50W Stereo Class-D Amplifier | Texas Instruments
TAS5112DFD

TAS5112DFD - 50W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5112DFD is a two-channel Class-D digital audio power stage designed for 50 W per channel into a 6 ohm speaker load. The device uses a 16 V to 25.5 V supply, provides differential outputs, and is packaged in a 56-pin HTSSOP. It also supports digital audio inputs and is intended for stereo audio systems requiring efficient, integrated amplification. A Class-D digital audio power stage is an amplifier category that converts digital audio information into high-frequency switching waveforms and reconstructs the audio signal at the speaker output. Compared with a conventional linear power amplifier, the TAS5112DFD architecture is intended to provide higher power efficiency, typically reaching 90% into a 6 ohm load. The TAS5112DFD operates as part of the power-amplifier stage in a larger digital audio system. Key features include 50 W per channel in bridge-tied-load operation into 6 ohms, a listed 62 W maximum output power, and typically 90% power efficiency into a 6 ohm load. Dynamic range reaches 95 dB when used with the TAS5026D. Total harmonic distortion plus noise is listed below 0.1% for the TAS5026D system at 1 W and below 0.2% at the stated full-power condition. The device includes a self-protecting design covering undervoltage conditions and other fault states. Its digital input architecture makes it suitable for systems using a compatible digital audio PWM processor from the TAS50XX family. Differential outputs are intended for bridge-tied-load speaker connections, allowing the two amplifier channels to develop the required voltage swing without a conventional single-ended output stage. Typical uses include compact stereo loudspeakers, multimedia speaker systems, home-audio amplification, digital audio source modules, and powered speaker designs. The 50 W per-channel capability is particularly relevant to compact systems that need more output than a low-power integrated headphone or line amplifier can provide while retaining Class-D efficiency. Thermal design is essential because the power stage dissipates energy as heat, especially at sustained high output power. Follow the manufacturer datasheet for the exposed-pad layout, PCB copper requirements, thermal-interface guidance, supply decoupling, output-filter component values, and recommended inductor and capacitor selections. The 56-pin HTSSOP footprint also requires careful assembly planning because its leads and exposed thermal pad are fine-pitch features. This page consolidates the identified electrical ratings, package information, practical application guidance, and design considerations for engineers evaluating the TAS5112DFD. It also distinguishes documented device characteristics from application-dependent performance and highlights the unresolved need for a confirmed pin-to-pin drop-in replacement.

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TAS5122DFD - 30W Stereo Class-D Power Stage | Texas Instruments
TAS5122DFD

TAS5122DFD - 30W Stereo Class-D Power Stage | Texas Instruments

Texas Instruments TAS5122DFD is an integrated stereo Class-D digital amplifier power stage designed for 6 ohm speaker loads, delivering up to 30 W per channel from a 0 V to 25.5 V supply. The device uses PWM input and PurePath Digital technology, with the power stage housed in a 56-pin HTSSOP package. It is intended for digital audio systems that use a TAS50xx-class processor and passive output filtering. A Class-D digital power stage is an audio amplifier that switches its output between supply rails at a high carrier frequency. Compared with a linear amplifier, this architecture can provide much higher conversion efficiency and lower heat generation in portable and compact audio equipment. The TAS5122DFD operates in the class-D amplifier, digital power amplifier, audio power IC, and power management semiconductor categories. The main operating characteristics are 30 W per channel into a 6 ohm load, a 0 V to 25.5 V supply range, and a 56-pin HTSSOP package. The PWM interface is intended to receive a digital audio signal from a compatible digital audio processor, while a passive demodulation filter reconstructs the audio waveform at the speaker output. These features make the device suitable for home theater receivers, DVD receivers, mini or micro component systems, and internet music appliances. The main technical benefit is efficient stereo amplification in a single integrated power-stage package. Because the output stage operates by switching, designers can reduce the heat associated with linear amplification, although filtering, layout, power-supply stability, and speaker impedance remain important. The manufacturer datasheet identifies the TAS5122 family as a high-performance integrated stereo digital amplifier power stage and describes its use with a digital audio PWM processor and passive demodulation filter. TAS5122DFD is suited to systems requiring two amplified channels, including home theater equipment, DVD receiver output stages, compact stereo systems, and network-connected audio products. It is particularly relevant when a system already uses a digital audio processor because the TAS5122DFD accepts PWM audio rather than conventional analog line-level input. System-level input filtering and gain planning must therefore be matched to the source processor and speaker load. During layout, follow the manufacturer datasheet recommendations for the exposed pad, power-supply connections, output networks, and high-current ground paths. The HTSSOP thermal pad and surrounding copper are important for heat transfer at higher output power. Confirm the maximum power dissipation for the intended supply voltage, load impedance, channel loading, and ambient temperature before selecting the output-filter components and board construction. This page combines the manufacturer electrical description with an engineering-focused view of the TAS5122DFD, including application fit, drop-in replacement considerations, layout cautions, and a parameter comparison. It is intended to help designers evaluate the power stage quickly while still using the manufacturer datasheet as the controlling document for ratings, pin connections, and production design details.

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TAS5132DDV - 20W Stereo Class-D Amplifier | Texas Instruments
TAS5132DDV

TAS5132DDV - 20W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5132DDV is a stereo digital Class-D audio power-stage amplifier rated for 20 W per channel in stereo operation and 40 W in mono operation. It accepts a PWM input signal and operates from a 0 V to 19 V supply. The device is packaged in a 44-pin HTSSOP with the DDV designation. Its Class-D architecture places the power-amplification stage close to the speaker load, supporting efficient audio playback in compact systems. A Class-D audio amplifier is a switching power amplifier that converts a PWM command signal into a filtered, high-current speaker waveform. It belongs to the hierarchy audio amplifier, digital amplifier, power amplifier, and semiconductor. Unlike a linear output stage, the switching architecture reduces the energy dissipated by the output devices during many operating conditions. The TAS5132DDV is specifically positioned as a digital power stage because its input is PWM rather than a conventional low-level analog audio signal. The primary headline capabilities are 20 W stereo output, 40 W mono output, and a 0 V to 19 V supply range. These specifications make the device suitable for powered speakers, compact audio systems, sound bars, and other applications that require efficient stereo amplification. The 44-pin HTSSOP package provides a high pin count for power delivery, control connections, and signal routing, although the exact terminal assignments and exposed-pad requirements must be taken from the manufacturer pin configuration. The PWM-input architecture allows a digital audio source to supply the modulation signal directly. System designers therefore need to account for the switching nature of the stage, output-filter design, speaker impedance, supply capability, and system grounding. The manufacturer product page identifies the TAS5132 as a 20 W stereo, 40 W mono, 0 V to 19 V PWM-input Class-D audio amplifier, making the device appropriate when a power stage must be paired with a digital modulator upstream. Typical applications include compact stereo speakers, multimedia speaker systems, home-audio products, portable powered speakers, sound-bar transducers, and auxiliary audio modules. In each case, the upstream audio engine must generate a compatible PWM signal, while the power supply must remain within the stated 0 V to 19 V operating range. Mono operation can be used where a single channel must deliver the higher 40 W output rating. The principal design consideration is that this device is a power stage rather than a complete audio input amplifier. Signal conditioning, volume control, tone control, and PWM generation must be implemented elsewhere when required. Designers should also follow the manufacturer datasheet for output-filter component selection, thermal management, exposed-pad layout, supply bypassing, and maximum electrical limits rather than inferring those details from the package name. This page combines the exact manufacturer power and supply ratings with practical placement guidance, application analysis, and a strict drop-in-replacement assessment. It also distinguishes verified device characteristics from parameters that require confirmation in the complete manufacturer datasheet, helping engineers plan sourcing and design reviews without relying on unverified substitutes.

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TAS5142DDV - 100W Stereo Class-D Power Stage | Texas Instruments
TAS5142DDV

TAS5142DDV - 100W Stereo Class-D Power Stage | Texas Instruments

Texas Instruments TAS5142DDV is a 100 W stereo, 200 W mono PWM-input Class-D audio amplifier power stage with a 0 V to 34 V supply range, packaged in a thermally enhanced 44-pin HTSSOP (DDV). The device provides two amplifier channels and supports bridged-tie-back and parallel-bridged-tie-back output configurations for powered speakers and audio systems. A Class-D audio power amplifier is an efficient switching amplifier that converts a PWM signal into a filtered, high-power audio output. It belongs to the amplifier IC hierarchy, which includes digital audio power stages, audio amplifiers, and integrated circuits. Compared with a conventional linear output stage, Class-D operation concentrates more of the supplied energy into the audio load, making it well suited to compact stereo and home-theater systems operating from a single supply rail. The TAS5142DDV supports up to 100 W per channel in stereo operation and up to 200 W in mono operation. Its supply input spans 0 V to 34 V. According to the Texas Instruments datasheet, signal-to-noise ratio exceeds 100 dB in A-weighted measurement, while total harmonic distortion plus noise remains below 0.1% at 1 W. Output capability is specified for 4 Ω, 6 Ω, and 8 Ω bridged loads, as well as 2 Ω and 3 Ω parallel-bridged configurations. The device uses PWM signaling and multiple power-output stages to reproduce the supplied audio waveform. Its thermally enhanced HTSSOP construction provides dedicated power and ground connections needed to carry substantial output current. Exact pin assignments, exposed-pad requirements, output-current limits, and protection thresholds should be taken from the pin-description and absolute-maximum-rating tables in the manufacturer datasheet. Typical applications include powered bookshelf speakers, home-theater amplifier modules, multimedia speaker systems, active subwoofer enclosures, and compact consumer audio products. The 44-pin DDV package makes the part appropriate for multilayer PCB layouts where the exposed thermal pad and copper area can be connected to an effective thermal path. Thermal design is the principal implementation concern because the amplifier can dissipate substantial heat as output power rises. Keep the exposed pad on a continuous ground plane, use the recommended via pattern, provide adequate copper on both sides of the PCB, and confirm junction temperature against the worst-case load, supply voltage, and ambient temperature. The LC output-filter and speaker-load requirements listed in the datasheet must also be followed to preserve stability and audio performance. This product page combines the manufacturer’s headline power ratings with package, thermal, comparison, and application guidance for engineers evaluating the TAS5142DDV. It supports faster part selection by separating verified electrical capabilities from unresolved design details that must be confirmed against the latest datasheet and PCB guidelines.

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TAS5142DKD - 100W Stereo Class-D Amplifier | Texas Instruments
TAS5142DKD

TAS5142DKD - 100W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5142DKD is a 100 W stereo, 200 W mono Class-D digital audio power amplifier with PWM input, a 0 V to 34 V supply range, and a 36-pin HSSOP package with an exposed thermal pad. It is designed for high-output audio systems where efficient amplification, integrated protection, and compact implementation are important. A Class-D audio amplifier is a switching power amplifier that uses pulse-width modulation to reproduce audio signals with high efficiency. It belongs to the hierarchy of amplifier ICs, audio amplifiers, power amplifiers, and power-management semiconductors. Compared with a conventional linear Class-AB output stage, a Class-D design can reduce power dissipation in the output stage and support higher output power from a compact package, although switching-node design still requires careful filtering and layout. The TAS5142DKD can drive a 4 ohm bridge-tied load at up to 100 W per channel in stereo operation. It can also be configured for 200 W mono operation according to the Texas Instruments product page. Its integrated digital power stage includes an improved protection system, low integrated output noise, low THD+N performance, and low idle power dissipation. These characteristics suit consumer audio equipment, powered speakers, home-theater systems, and compact multimedia products. The DKD package provides 36 pins and an exposed thermal pad for heat dissipation. The thermal pad and exposed-lead soldering process are central to achieving the stated output-power capability, while the analog supply operates from 10.8 V to 13.2 V. The device accepts a PWM audio input, allowing it to operate after a digital audio source has already been converted into a PWM representation. Typical uses include powered bookshelf speakers, compact stereo amplifiers, home-theater receivers, soundbar amplification, and multimedia speaker systems. A 4 ohm stereo configuration supports up to 100 W per channel, while parallel-channel or mono arrangements can address applications requiring up to 200 W. Output inductors, LC filters, speaker connections, and thermal management remain part of the complete power-amplifier design. For reliable operation, use the manufacturer’s recommended PCB land pattern and thermal-pad soldering process, keep high-current output paths compact, and connect the exposed thermal pad to an effective copper heat-spreading area. Speaker loads must remain within the device’s supported limits, and the output-filter design must preserve the intended audio bandwidth while controlling switching artifacts. This page organizes the verified device specifications, drop-in sourcing information, application fit, and practical layout guidance in one engineering-focused reference. It also identifies package and lifecycle details that should be checked against the current Texas Instruments documentation before committing a new production design.

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TAS5152DKD - 125W Stereo Class D Power Stage | Texas Instruments
TAS5152DKD

TAS5152DKD - 125W Stereo Class D Power Stage | Texas Instruments

The Texas Instruments TAS5152DKD is an integrated stereo Class D digital amplifier power stage rated for 125 W per channel into a 4-ohm loudspeaker at 10% THD+N. The device operates from a 10.8 V to 13.2 V supply and is packaged in a 36-pin HSSOP. It is intended for high-power, high-efficiency stereo audio systems where a compact power stage and integrated protection are important. A Class D power stage is a switching amplifier category that uses pulse-width-modulated drive signals to transfer energy to a loudspeaker. Compared with a conventional linear audio amplifier, the Class D architecture can achieve higher conversion efficiency while reducing the amount of heat that must be removed during operation. The TAS5152DKD belongs to the broader hierarchy of audio amplifiers, power amplifiers, power-management semiconductors, and integrated circuits. The integrated design includes gate drivers, four matched and electrically isolated enhancement-mode N-channel power DMOS transistors, and protection and fault-reporting circuitry. Its 125 W stereo output capability suits powered speakers, home-theater amplification, professional audio, and other high-output audio designs. Operation from a 10.8 V to 13.2 V supply supports conventional 12 V power-system architectures, while the listed 0 V to 37 V operating-voltage range provides additional design context. The TAS5152 is described by Texas Instruments as a third-generation, high-performance integrated stereo digital amplifier power stage with an improved protection system. Combining the output transistors and their drivers within the power-stage package reduces the number of discrete power devices required around the amplifier. The four electrically isolated DMOS devices support the full-bridge structure used by each Class D output channel. Typical applications include 125 W stereo speaker amplification, powered loudspeakers, home-theater receiver output stages, multichannel audio systems, and compact consumer or professional audio products. System designers should select the power supply, output filter, speaker load, PCB copper, and thermal solution together because output power alone does not establish safe operating conditions. For PCB implementation, follow the manufacturer pin-description table, exposed-pad connection guidance, recommended output-filter layout, and thermal design recommendations. A 12 V-class supply is the intended operating environment, and the design must preserve adequate headroom, signal integrity, output filtering, and heat-spreading paths to sustain the advertised 125 W result. This page combines the verified device specifications, application guidance, package information, and a parameter-level engineering comparison that helps engineers evaluate the TAS5152DKD for high-power stereo amplifier designs.

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TAS5162DDV - 210W Stereo Class-D Amplifier | Texas Instruments
TAS5162DDV

TAS5162DDV - 210W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5162DDV is a two-channel Class-D digital audio power amplifier rated for 210 W per channel into a 6-ohm bridge-tied load at 10% total harmonic distortion. It accepts a 0 V to 52.5 V amplifier supply and 10.8 V to 13.2 V digital supply, uses a PWM input interface, and is packaged in a 44-pin HTSSOP with an exposed thermal pad for thermal management. A Class-D audio amplifier is a switching power amplifier that uses pulse-width modulation to represent an analog audio waveform. It belongs to the broader power-amplifier hierarchy and converts digital or PWM control signals into high-current bridge-tied speaker outputs. Compared with a linear amplifier, a properly implemented Class-D stage can deliver high output power with lower power dissipation, making it suitable for home theater, multichannel audio, powered speakers, and compact high-performance sound systems. The TAS5162DDV combines a 160 W stereo configuration with a 300 W mono capability in one integrated device. Each channel can deliver up to 210 W into 6 ohms at 10% THD, while the product page identifies improved protection, low integrated output noise, low THD+N without clipping, and low idle-power dissipation. Internal pull-up resistors on the shutdown and overtemperature-warning outputs can connect those signals to 3.3 V; external pull-ups support 5 V logic levels. As a digital power stage, the device combines PWM command processing with integrated output-driver circuitry and an exposed-pad thermal interface. The 44-pin HTSSOP package provides the electrical connections required for PWM audio input, clocking, control, fault signaling, power rails, ground, and differential speaker outputs. Because output energy is dissipated in the power stage, the exposed thermal pad and PCB copper area are central to maintaining reliable operation at high continuous output power. Typical uses include powered stereo speakers, home-theater amplifiers, multimedia speaker systems, active subwoofers, and high-output consumer audio equipment. The TAS5162 can also be configured for mono operation when greater output power is required. System designers should match the speaker impedance, supply capability, switching layout, and thermal design to the intended channel configuration. For PCB implementation, place input and power decoupling close to the relevant device pins, connect the exposed pad to a properly sized thermal plane, and keep high-current speaker outputs away from sensitive audio inputs. The manufacturer datasheet's pin-description table and typical application circuit should govern net assignment, output-filter design, and thermal-pad connection. This page organizes the TAS5162DDV's principal electrical ratings, protection features, application guidance, package information, and engineering trade-offs. It also highlights where pin-compatible substitutions require additional qualification rather than assuming that similar audio amplifiers are automatic board-level replacements.

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TAS5176DDW - 6-Ch 100W Class-D Stage | Texas Instruments
TAS5176DDW

TAS5176DDW - 6-Ch 100W Class-D Stage | Texas Instruments

Texas Instruments TAS5176DDW is a six-channel, 100-W digital-amplifier power stage with PWM input, designed for 5.1-channel audio systems and configured for a 0-V to 34-V supply in a 44-pin HTSSOP package. Its six integrated output channels support multichannel Class-D amplification while the 10.8-V to 13.2-V PWM operating range provides a defined supply window for the power stage. A Class-D amplifier is a switching audio power amplifier whose output stage operates in a PWM state rather than continuously conducting a linear signal. This architecture belongs to the amplifier IC category and reduces the power dissipated by the output devices compared with a linear amplifier of comparable output capability. The TAS5176 integrates six digital power channels into one package, making it suitable for home-theater receivers, active speakers, soundbars, and multichannel automotive audio systems. The primary headline specifications are six output channels, up to 100 W of power capability, and a 0-V to 34-V supply range. The device accepts PWM signals directly, allowing it to work with a digital audio processor or PWM-generating audio engine. Its HTSSOP package contains 44 pins and provides a high-channel-count solution without requiring six separate power packages. The power stage is also suitable for subwoofer use when individual channels are configured appropriately. Class-D amplification places strict demands on power-supply layout, switching-node control, and thermal management. The supply and ground connections must provide low-impedance paths for high switching currents, while the exposed thermal pad and PCB copper must remove heat effectively. Incorrect output-filter or speaker-load design can increase distortion and reduce protection margin, so the manufacturer datasheet configuration should govern component selection and board implementation. Typical applications include 5.1-channel home theater amplification, active multiway speakers, powered subwoofers, compact multimedia systems, and automotive entertainment systems. An external digital audio processor can generate the PWM inputs, while the TAS5176 supplies the high-current channel drive. The six-channel arrangement also allows systems to combine several channels for higher-power BTL operation when the application and thermal design permit it. The principal design trade-off is the need for careful high-current layout and heat removal. Compared with a linear output stage, Class-D efficiency can reduce waste heat, but a 44-pin HTSSOP power package still requires careful attention to copper area, via arrays, thermal vias, and output filtering. Verify speaker impedance, supply capability, channel configuration, and maximum dissipated power before releasing a production layout. This page consolidates the exact orderable-device specifications, package information, application guidance, comparison fields, and engineering checks needed to evaluate TAS5176DDW. It also distinguishes confirmed technical facts from parameters that require confirmation in the full manufacturer datasheet before layout or production decisions.

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TAS5182DCA - 100W Stereo Class-D Controller | Texas Instruments
TAS5182DCA

TAS5182DCA - 100W Stereo Class-D Controller | Texas Instruments

Texas Instruments TAS5182DCA is a 100 W stereo digital amplifier power-stage controller with PWM input, Class-D output, and support for up to 34 V supply voltage. The device is packaged in a 56-pin HTSSOP and is specified for an ambient temperature range of 0°C to 70°C. It is designed to control external power stages for stereo audio systems. A Class-D audio power-stage controller is a semiconductor that processes a digital audio input and generates PWM drive signals for external H-bridge transistors. Unlike a conventional analog-output audio amplifier, the controller leaves power amplification to external MOSFETs, allowing output capability to scale with the selected power stage. It belongs to the digital audio amplifier and power-management IC hierarchy. The TAS5182DCA supports stereo operation at up to 2 × 100 W RMS into a 6 Ω bridge-tied load when paired with an appropriate external power stage. Its typical total harmonic distortion plus noise is below 0.15% under the conditions identified in the manufacturer documentation. PWM input and a 0 V to 34 V supply range suit higher-power consumer and professional audio architectures. Because TAS5182DCA is a controller rather than a self-contained power amplifier, its realized output power depends on external transistors, gate-drive implementation, supply capability, layout, thermal management, and speaker impedance. The IC controls the digital audio path while the external power devices carry the loudspeaker current. This division improves flexibility compared with integrating the output transistors into the controller package. Typical uses include stereo loudspeaker systems, powered speakers, home-theater receivers, professional audio racks, and compact consumer audio products. The 56-HTSSOP package supports high-density PCB layouts, while the exposed thermal pad provides a thermal connection to the board copper. The 0°C to 70°C rating targets commercial ambient environments rather than extended industrial or automotive temperature ranges. Careful power-stage layout is essential because switching currents and gate-drive timing directly affect distortion, thermal performance, and EMI. Keep high-current power loops compact, provide local supply decoupling, use low-inductance gate-drive paths, and connect the thermal pad to an appropriately sized copper area. Select the external MOSFETs and output filter against the intended load and switching requirements. This product record combines the controller’s principal operating characteristics with application guidance, verified package information, and drop-in replacement analysis. It also distinguishes the IC’s fixed control function from the variable output power contributed by the external transistor stage, helping engineers evaluate the complete amplifier rather than relying on the nominal controller rating alone.

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TAS5186DDV - 6-Channel 210W Class D Power Stage | TI
TAS5186DDV

TAS5186DDV - 6-Channel 210W Class D Power Stage | TI

The Texas Instruments TAS5186DDV is a six-channel Class D digital-amplifier power stage rated for 210 W total output power, with 105 dB A-weighted SNR, less than 0.05% THD+N at 1 W, and greater than 90% power-stage efficiency at 1 W into the recommended single-ended loads. The device is housed in a 44-terminal HTSSOP package and operates from a 10.8 V to 13.2 V supply. A Class D power stage is an audio-amplifier output circuit that switches its supply rails at high frequency to produce a filtered audio waveform. It belongs to the amplifier IC hierarchy, where a digital-input power stage removes the need for external analog audio-input circuitry when it is paired with a compatible audio codec or digital-audio processor. Its principal advantages are high conversion efficiency, compact implementation, and integration of speaker-output protection. The TAS5186DDV provides six independent amplification channels for multichannel audio systems. Its published performance includes 105 dB A-weighted signal-to-noise ratio, THD+N below 0.05% at 1 W, and efficiency above 90% into recommended loads. Integrated protection covers undervoltage, overtemperature, overload, and short-circuit conditions, reducing the amount of discrete protection required around each speaker output. Digital inputs allow the amplifier to receive audio samples directly from an audio codec, DSP, or other digital-audio source. This architecture supports a compact signal chain and accurate channel synchronization. The 44-terminal HTSSOP package also provides a practical surface-mount footprint for multi-channel consumer and professional audio equipment, subject to careful thermal and layout design. Typical uses include powered speakers, soundbar amplifier boards, home-theater receiver power stages, active subwoofer systems, and compact multimedia speaker designs. Its six-channel architecture is particularly useful when one board must drive multiple surround-sound channels without implementing six separate discrete amplifier circuits. Designers should follow the manufacturer layout guidance for high-current speaker and power-ground paths, place the required decoupling capacitors close to the device, and verify copper area for thermal dissipation. Thermal performance depends on output power, channel utilization, load impedance, PCB copper, and ambient temperature, so a compact enclosure should be validated under worst-case multichannel conditions. This page combines the device's principal performance specifications, application guidance, design cautions, and identified pin-compatible family options for faster engineering selection. Use the manufacturer datasheet pin-description table and recommended application circuit when assigning PCB nets and confirming thermal limits.

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TAS5352DDV 125W Stereo Class-D Power Stage | Texas Instruments
TAS5352DDV

TAS5352DDV 125W Stereo Class-D Power Stage | Texas Instruments

The Texas Instruments TAS5352DDV is an integrated stereo digital Class-D amplifier power stage designed to drive a 4 ohm bridge-tied load at up to 125 W per channel. It operates from a 10.8 V to 13.2 V supply and is packaged in a 44-pin HTSSOP with an exposed thermal pad. The device provides a high-efficiency speaker-drive solution with low harmonic distortion, low integrated noise, and low idle current. A digital Class-D audio power amplifier is a power-management IC that switches its output stage rapidly between voltage states to reproduce an audio waveform. Its efficiency is generally higher than that of a conventional linear amplifier because the switching stage dissipates less power when driving a speaker load. Bridge-tied-load operation applies the audio waveform across the two speaker terminals, increasing the available output voltage and power without requiring a physical ground connection at the speaker. The TAS5352DDV integrates a stereo output stage and a complete on-chip protection system. Its principal output rating is 125 W per channel into a 4 ohm BTL load, while its listed operating supply range is 10.8 V to 13.2 V. The device is specified for low harmonic distortion and low integrated noise, making it suitable for compact high-power audio systems. Its low idle current can also reduce standby dissipation when the associated system power architecture requires low quiescent consumption. TAS5352 is positioned as a power stage rather than a complete audio input amplifier. A practical system therefore needs a source capable of supplying the appropriate input signal, control or codec circuitry where required, output filtering, and a correctly designed speaker network. The manufacturer documents internal pull-up resistors to 3.3 V on the SD and OTW outputs; external pull-up resistors can provide 5 V logic level compliance where that interface voltage is required. Typical uses include powered speakers, compact home-theater systems, professional audio equipment, soundbars, subwoofer power modules, and other high-efficiency speaker-drive products. A 10.8 V to 13.2 V supply is particularly compatible with systems organized around a 12 V rail, although final rail limits, startup behavior, current demand, and protection requirements must be evaluated against the complete amplifier design. Thermal design is central to achieving the 125 W per-channel rating. The exposed-pad HTSSOP construction requires a low-impedance PCB thermal path, adequate copper area, and suitable airflow or enclosure heat transfer. Decoupling capacitors must be placed close to the supply and ground pins, and output-filter layouts must keep high-current switching paths compact. Speaker wiring, connectors, and load selection must also support the intended channel power. This page consolidates the verified device identity, package information, operating limits, interface details, and drop-in assessment into an engineering-focused reference. It also distinguishes documented functional similarity from true pin-to-pin equivalence, helping designers avoid treating a related part as an automatic replacement without completing a footprint, signal, control, and thermal review.

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TAS5504PAG - 4-Channel Digital Audio PWM Processor | Texas Instruments
TAS5504PAG

TAS5504PAG - 4-Channel Digital Audio PWM Processor | Texas Instruments

Texas Instruments TAS5504PAG is a four-channel digital audio PWM processor with I2C and I2S interfaces, supplied in a 64-pin TQFP package measuring 10 mm by 10 mm. Its verified operating supply range is 3 V to 3.6 V, and the supported audio sampling-rate range is 32 kHz to 192 kHz. The processor is designed to accept digital audio data, perform configurable digital signal processing, and generate modulated outputs for downstream power stages. A digital audio PWM processor is a specialized signal-processing IC used to transform digital audio streams into control signals for power amplifiers and other audio output stages. Within the broader hierarchy, it belongs to digital signal processing, audio processing, and power-management interface components. Its digital architecture separates audio data conversion from the final analog power-amplifier stage, allowing digital controls and processing to operate before the signal reaches the power circuitry. The TAS5504PAG provides four independent audio channels and supports digital interfaces described in the verified distributor data as I2C and I2S. The I2S interface is used for serial audio data transfer, while I2C supports device configuration. The 32 kHz to 192 kHz range covers standard consumer-audio rates through high-resolution audio, making the processor applicable to multichannel audio systems that need centralized digital control. Its 64-TQFP package provides 64 connection positions for digital audio data, control, clocking, power, ground, and configuration signals. The 10 mm by 10 mm package is larger than a compact QFN but offers ample routing access for the numerous interfaces needed by a four-channel processor. A multilayer PCB with a low-impedance ground plane and short, terminated clock and data routes is appropriate when signal integrity is important. Typical applications include digital active speakers, multichannel audio amplifiers, home-theater amplification, soundbars, and compact consumer-audio systems. The processor can receive digital audio from a source or host processor and provide modulation data for a multi-channel amplifier stage. Compared with an analog-input-only controller, a digital architecture can preserve the source signal in digital form until power amplification. The primary design consideration is confirming that the host interface, audio data format, sample rate, channel mapping, and amplifier topology match the system requirements. The 3 V to 3.6 V supply range also requires regulators with suitable headroom and low-noise behavior. Decoupling capacitors should be positioned close to the supply and ground pins, while clock and I2S traces should be routed away from switching nodes. This page consolidates verified distributor specifications, current pricing references, same-package replacement candidates, and practical implementation guidance. It also distinguishes verified drop-in candidates from higher-channel-count devices that are not true pin-compatible replacements, helping engineers avoid an unqualified board-level substitution.

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TAS5508PAG - 8-Channel Digital Audio PWM Processor | TI
TAS5508PAG

TAS5508PAG - 8-Channel Digital Audio PWM Processor | TI

Texas Instruments TAS5508PAG is an eight-channel digital audio PWM processor packaged in a 64-pin TQFP. It is designed to provide integrated digital-audio modulation for systems requiring eight simultaneous processing channels, precise timing, and coordinated signal generation. The manufacturer identifies the device as a PWM processor with eight digital channels, positioning it between general-purpose digital signal processing and a dedicated audio-class conversion controller. A digital audio PWM processor converts digital audio information into controlled pulse-width-modulated outputs for downstream power stages, amplifiers, or associated signal-chain functions. This device category belongs to the broader hierarchy of digital audio IC, audio signal processor, semiconductor, and embedded audio system. Its eight-channel architecture is intended to reduce the number of separate digital-to-audio modulation functions required in multi-channel amplification and audio-routing equipment. The TAS5508PAG combines eight-channel PWM processing with high system integration in its 64-pin TQFP package. The 64-pin package provides the external connections needed for multi-channel control, data exchange, configuration, clocking, and power connections. According to the manufacturer datasheet, the device supports eight simultaneous digital-audio channels, while the verified product descriptions consistently identify the TAS5508PAG as an eight-channel digital audio PWM processor. From a design perspective, channel synchronization and digital timing are central considerations because the processor coordinates multiple PWM outputs. Designers should preserve the data, clock, reset, control, and power topology shown in the manufacturer reference design and observe the recommended external-component values. Accurate layout, clean reference connections, and controlled clock routing help maintain consistent behavior across all eight channels and reduce sensitivity to noise or timing skew. Typical end uses include multichannel class-D audio amplification, powered speakers, home-theater equipment, active loudspeaker systems, and other multichannel audio products. In these systems, the TAS5508PAG can manage the digital audio modulation stage while external amplifier and output stages perform the required power conversion. The exact supported digital interface, sample-rate range, clock requirements, and channel operating modes should be confirmed from the manufacturer datasheet before schematic release. The primary design trade-off is integration versus board area: one 64-pin TQFP consolidates eight-channel processing but requires careful pin assignment, multilayer routing, and power-plane planning. Use the manufacturer pin-description table when assigning tracks, and use the datasheet evaluation-circuit and layout guidance when deriving a production PCB. This page summarizes the verified device identity and provides practical application, comparison, and sourcing guidance while clearly separating confirmed facts from parameters requiring datasheet confirmation.

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TAS5518PAG - 8-Channel Digital Audio PWM Processor | Texas Instruments
TAS5518PAG

TAS5518PAG - 8-Channel Digital Audio PWM Processor | Texas Instruments

Texas Instruments TAS5518PAG is an 8-channel digital audio PWM processor with a typical system dynamic range of 110 dB and a 64-pin TQFP (PAG) package. The device integrates digital audio processing, power-supply volume control, and multi-channel PWM output functionality into one audio-focused system IC. It is intended for designs that require coordinated audio-channel control without implementing eight separate digital input channels and PWM output stages. A digital audio PWM processor is a mixed-signal audio IC that accepts digital audio information and controls PWM-based amplifier stages. Within the audio signal-chain hierarchy, it sits between a digital audio source and a power-amplifier or speaker-driving circuit. Unlike a conventional analog power amplifier, the TAS5518PAG manages digital modulation data, volume-related functions, and channel integration, allowing the connected amplifier stage to reproduce the intended audio signal. The principal system benefit is high integration. According to the Texas Instruments product information, the TAS5518PAG supports eight digital audio channels in one device. A well-designed system can achieve typical dynamic range of 110 dB, while the power supply volume control feature provides up to 24 dB of additional dynamic range at normal listening levels. This combination can reduce external control-component complexity and centralize audio-volume behavior across multiple channels. The TAS5518PAG also provides direct support for digital-audio signal processing before the PWM output stage. This architecture is appropriate for multichannel consumer-audio equipment where synchronized channel control and system-level volume management are more important than a conventional standalone analog output stage. Its 64-pin TQFP (PAG) package provides the pin count needed for multichannel digital interfaces, control signals, power connections, and multiple PWM outputs. Typical uses include powered speakers, soundbars, home-theater audio systems, active speakers, multichannel audio receivers, and compact consumer audio products. The device can serve as the central PWM processor in an eight-channel signal path when its digital interface, output arrangement, and power architecture align with the selected amplifier topology. Board-level implementation must account for clean power, grounded return paths, signal integrity, and thermal performance. Designers should verify the complete pin arrangement, recommended external components, interface timing, and power-supply requirements in the manufacturer datasheet before routing a new PCB. Because this orderable designation is marked as not recommended for new designs, new products should first evaluate TI's current alternate-part recommendations and confirm functional, firmware, and mechanical compatibility rather than assuming direct interchangeability. This page consolidates the device classification, verified package information, lifecycle position, candidate replacement information, and practical selection guidance. It also distinguishes confirmed drop-in information from broader functional alternatives, helping engineers make a defensible sourcing decision without treating similar audio processors as footprint-compatible substitutes.

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TAS5548DCA - 8-Channel 96kHz PWM Audio Processor | TI
TAS5548DCA

TAS5548DCA - 8-Channel 96kHz PWM Audio Processor | TI

The Texas Instruments TAS5548DCA is an 8-channel digital pulse-width-modulation audio processor with digital audio processing, an integrated asynchronous sample-rate converter, and a 96 kHz PWM output stage, housed in a 56-pin HTSSOP package. It combines eight-channel audio processing with integrated sample-rate conversion to support high-definition home-theater signal paths. An audio processor is a specialized interface IC that manages digital audio data between source devices and power-conversion stages. Within the broader hierarchy, the TAS5548DCA belongs to digital audio processing, audio system semiconductors, and power-management signal-chain components. Its PWM outputs provide a digital representation of audio waveforms for downstream amplification and speaker-drive circuitry. The device includes two asynchronous sample-rate-converter modules, with each module handling four channels. This arrangement allows the processor to support multichannel operation and aligns it with DTS-HD-compatible Blu-ray home-theater-in-a-box applications identified by Texas Instruments. The architecture also consolidates digital audio processing, sample-rate conversion, and eight-channel PWM modulation into one package. TAS5548DCA is controlled through an external I2C interface, enabling an embedded host or audio system controller to configure the processor and manage its operating state. Integrating digital control with multichannel PWM output reduces the number of separate functional blocks needed in compatible home-theater and powered-speaker systems while preserving a centralized digital signal path. Typical implementation areas include DTS-HD-compatible Blu-ray home-theater systems, multichannel powered speakers, digital active loudspeakers, home-theater processor boards, and other audio equipment requiring eight PWM channels. The 56-pin HTSSOP package is designed for surface-mount assembly, while the stated operating-temperature range is 0°C to +85°C. Layout planning should prioritize short, controlled connections among the digital-audio inputs, I2C control interface, ground network, supply rails, and PWM outputs. Because the device combines high-channel-count processing with a fine-pitch surface-mount package, careful decoupling and return-path design are essential for reliable signal transfer and thermal performance. This page combines the manufacturer product information with practical distinctions for evaluating the TAS5548DCA, including its 8-channel architecture, 96 kHz PWM operation, integrated ASRC, package format, application fit, and the documentation needed for PCB and firmware planning.

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TAS5558DCA - 8-Channel HD Audio DSP with PWM | Texas Instruments
TAS5558DCA

TAS5558DCA - 8-Channel HD Audio DSP with PWM | Texas Instruments

The Texas Instruments TAS5558DCA is an 8-channel HD-compatible digital audio processor with digital pulse-width modulation output and an integrated sample-rate converter, supplied in a 56-pin HTSSOP DCA package. It operates across the manufacturer-listed temperature range of -40 °C to 85 °C and supports a maximum PWM modulation frequency of 0.4 MHz. Its two independent ASRC modules each handle four channels, allowing simultaneous conversion across all eight output channels. A digital audio processor is a specialized integrated circuit that accepts digital audio data, performs configurable signal processing, and produces a format suitable for downstream power amplification. Within the broader semiconductor hierarchy, the TAS5558DCA belongs to the audio special-purpose IC and digital signal processor categories. Its integrated sample-rate converter, digital audio processing, and PWM generation combine several discrete audio functions into one high-integration device. The principal feature set includes eight audio processing channels, advanced digital audio processing, an integrated sample-rate converter, and eight PWM outputs. These functions target HD-compatible home-theater-in-a-box applications described by Texas Instruments, including systems associated with DTS-HD Blu-ray playback. A 0.4 MHz maximum modulation frequency provides the timing headroom required by the device's specified PWM output architecture. Technically, the TAS5558DCA is designed around two separate ASRC modules rather than one shared converter. Each module processes four channels, allowing up to eight channels to be supported concurrently. This modular channel organization can simplify system partitioning when comparing input sample rates, but it does not eliminate the need to verify supported formats, clocking, and configuration details in the manufacturer documentation. Typical uses include Blu-ray home-theater-in-a-box amplifiers, multi-channel digital audio power stages, powered speakers, and consumer audio systems requiring eight PWM channels. The processor is most appropriate where digital signal processing, sample-rate conversion, and class-D-style PWM modulation must be integrated into a compact design. Designers should preserve the exposed-pad thermal and layout requirements of the HTSSOP package and verify all digital audio interfaces against the manufacturer datasheet. Because several electrical, timing, and pin-level details are not present in the supplied source excerpts, those values must be confirmed in the full Texas Instruments technical documentation before layout release. This page consolidates the verified channel count, package, temperature range, PWM frequency, source links, procurement information, and engineering limitations for TAS5558DCA. It also distinguishes verified facts from missing datasheet parameters, helping engineers evaluate the device without mistaking generic audio-IC characteristics for guaranteed TAS5558DCA specifications.

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TAS5601DCA - 20W Stereo Class-D Amplifier | Texas Instruments
TAS5601DCA

TAS5601DCA - 20W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5601DCA is a 20 W per channel digital Class-D audio amplifier power stage with a 10 V to 26 V supply and PWM single-ended input. The device is supplied in a 56-pin HTSSOP (DCA) package and can configure its four half-bridge outputs for stereo bridge-tied loads, four single-ended loads, or a mixture of both. A digital Class-D audio amplifier is a switching power stage that uses pulse-width-modulated drive signals to deliver power efficiently to loudspeakers. Unlike a conventional linear audio amplifier, the TAS5601 converts the PWM input into high-frequency switching currents, reducing the amount of power dissipated within the output stage. The TAS5601 belongs to the Class-D amplifier hierarchy, where its four half bridges provide the switching elements required for stereo speaker drive. The principal operating specifications are 20 W per channel, a 10 V to 26 V supply range, and PWM single-ended input. The amplifier is designed for speakers with an impedance as low as 4 ohms. According to the manufacturer datasheet, Rev. A, efficiency exceeds 90% when driving an 8-ohm load. This efficiency figure is especially useful when comparing thermal requirements with less efficient linear amplification approaches. Each output half bridge includes integrated feedback support, allowing the amplifier to operate with a conventional speaker connection rather than requiring a separate analog output filter. The device supports two bridge-tied speakers or four single-ended speakers, and the same output network can also be arranged for a combination of single-ended and bridge-tied loads. The resulting flexibility permits speaker-count changes without changing the amplifier package or control architecture. Typical uses include powered speakers, stereo audio receivers, multimedia speaker systems, sound bars, consumer television equipment, and compact audio products requiring multiple speaker outputs. The 10 V to 26 V supply range is suited to systems using a 12 V or 24 V rail, while the four-half-bridge architecture is useful when the design must accommodate both stereo and multiway speaker configurations. Design the power rails, output inductors, speaker connections, and thermal copper around the maximum 26 V operating condition. Speaker wiring and amplifier outputs must be kept away from sensitive signal paths, and the PCB layout should follow the manufacturer reference layout to control switching noise, ground bounce, and unintended electromagnetic coupling. This page organizes the verified operating characteristics, amplifier configuration options, sourcing information, and engineering trade-offs around the TAS5601DCA. It also distinguishes genuine drop-in alternatives from package or ordering-code variations so that PCB reuse decisions remain based on pin compatibility rather than nominal power capability alone.

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TAS5602DCA - 20W Stereo PWM-Input Class-D Power Stage | TI
TAS5602DCA

TAS5602DCA - 20W Stereo PWM-Input Class-D Power Stage | TI

The Texas Instruments TAS5602DCA is a 20 W per channel stereo digital Class-D audio amplifier power stage with PWM input, housed in a 56-pin HTSSOP (DCA) package with an exposed thermal pad. It operates from a 10 V to 26 V supply and can drive four single-ended speakers or two bridge-tied (BT) speakers from a single device. A Class-D audio amplifier is a switching power amplifier that delivers audio output by applying a constant-amplitude PWM carrier to the speaker load, so the transistor output stage conducts only when the PWM signal is active. In the device hierarchy, TAS5602DCA belongs to the amplifier IC family, inside audio amplifiers, inside integrated circuits, inside analog power and signal-chain semiconductors. Unlike a conventional analog input amplifier, this part accepts a PWM signal directly from a digital audio processor or a Class-D modulator, eliminating an analog input stage and its associated noise and distortion. Key features include 20 W of continuous output power per channel, a wide 10 V to 26 V operating supply range, and support for both single-ended and bridge-tied speaker configurations. Because the part accepts PWM rather than an analog voltage, the noise floor is set entirely by the upstream digital source, which keeps inter-channel noise and distortion very low and makes channel matching essentially perfect. The device supports 2-channel stereo, 4-channel quad, and mono operation modes, giving a single part number flexibility for multiple speaker topologies. Internally, the TAS5602 architecture combines a half-bridge output stage with integrated feedback control, so the amplifier can be configured with or without a feedback resistor network to suit the target speaker impedance. Because output stage switching is fully synchronous and the modulator runs at a high carrier frequency, the switching losses remain low and the power stage can be mounted on standard two-layer PCB copper without a bulky external heatsink in typical 10 W per channel designs. Typical applications include consumer and industrial audio: multi-room and networked speakers, sound bars, TV and monitor speaker drivers, Bluetooth and Wi-Fi speaker systems, USB and PC audio docks, and powered speaker systems. The 56-pin HTSSOP package with exposed pad provides a large thermal copper area, which is essential for continuous 20 W per channel operation from a 24 V rail. When laying out the board, treat the exposed pad as both the thermal path and the main ground return. Use a solid ground pour with minimal inductance between the output drivers and the supply bypass capacitors, and place the input PWM traces away from the switching node to avoid coupling the carrier frequency into the audio path. This page brings together the manufacturer ordering information, a parameter-by-parameter comparison against related Texas Instruments Class-D power stages, and practical thermal and layout guidance that goes beyond the headline specifications found in the datasheet.

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TAS5612PHD - 125W Stereo Class D Amplifier | Texas Instruments
TAS5612PHD

TAS5612PHD - 125W Stereo Class D Amplifier | Texas Instruments

The Texas Instruments TAS5612PHD is a PurePath HD Class D audio power amplifier rated for 125 W per channel in stereo operation and 250 W in mono operation. It accepts one-channel mono or two-channel stereo signals and is packaged in a 64-pin HTQFP measuring 14 mm by 14 mm. The device is intended for high-power audio systems requiring efficient amplification into 4 ohm to 8 ohm speaker loads. A Class D audio amplifier is a switching power amplifier whose transistor output stage operates with controlled PWM signals. Compared with a linear audio amplifier, this topology can convert amplifier input power into speaker output power more efficiently, reducing heat and allowing high output power in a compact package. The TAS5612PHD belongs to the broader hierarchy of audio amplifiers, audio power amplifiers, power management ICs, and semiconductors. The primary performance ratings are 125 W stereo output, 250 W mono output, and operation from a 16 V to 34.1 V supply range. A 10.8 V to 13.2 V range is also associated with the device in the technical listing. Its integrated closed-loop feedback technology, called PurePath HD, helps the amplifier correct output-voltage distortion through the speaker connection rather than relying only on feedback around the power stage. The device supports either one-channel mono operation or two-channel stereo operation. This flexibility makes it suitable for home-theater power stages, professional audio amplification, subwoofer amplifiers, and compact high-power speaker systems. The 64-pin HTQFP package requires a carefully designed exposed-pad thermal layout, and its power-class application makes heat dissipation a central PCB-design requirement. For robust implementation, designers should follow the manufacturer datasheet for the recommended power topology, input filtering, speaker output network, supply decoupling, and thermal land pattern. The evaluation module TAS5612/14PHD2EVM provides a practical reference for evaluating TAS5612PHD alongside TAS5614PHD and TAS5518PAG in a PurePath HD audio system. This page combines the manufacturer device ratings with practical guidance for thermal management, output-network implementation, supply decoupling, and device selection. It also distinguishes confirmed family alternatives from components that only provide related functionality but cannot be assumed to be pin-compatible replacements.

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TAS5630DKD - 300W Stereo Class-D Amplifier | Texas Instruments
TAS5630DKD

TAS5630DKD - 300W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5630DKD is an analog-input Class-D audio power amplifier using PurePath HD integrated closed-loop feedback, with capability to deliver up to 300 W stereo or 600 W mono into 4 Ω to 8 Ω speakers. It is supplied in a 44-pin HSSOP power package with an exposed heat slug for thermal-interface installation. Achievable output power depends on the thermal configuration of the application. A Class-D amplifier is a switching audio power stage in which the output transistors operate at high frequency and deliver speaker current with high efficiency. In the amplifier hierarchy, the TAS5630 belongs to the audio amplifier IC category, then to the Class-D amplifier group and finally to the power-amplifier IC class. Its integrated closed-loop feedback is intended to reduce distortion associated with conventional open-loop Class-D output stages, while retaining the efficiency benefits of switching conversion. The main performance attributes are up to 300 W stereo output, up to 600 W mono operation, 4 Ω to 8 Ω speaker compatibility, and a 50 V power-stage supply assumption. The manufacturer documentation also shows a 10.8 V to 13.2 V signal-supply range in its application description. The 44-HSSOP package provides a large thermal connection area, but power capability depends on the heat sink, thermal interface material, copper area, board construction, and ambient conditions rather than package marking alone. PurePath HD technology is the defining architectural feature. The TI product page identifies the TAS5630 as a high-performance analog-input Class-D amplifier with integrated closed-loop feedback. Analog input allows compatibility with conventional line-level audio signals, while the integrated feedback arrangement supports a power-stage design intended for high-output applications. The manufacturer specifically recommends a low-noise, low-output-impedance 12 V regulator for the signal supply and a low-impedance, low-noise 50 V power-stage supply. Typical uses include professional power amplifiers, high-power stereo audio systems, cinema and home-theater speaker amplification, and bridged mono installations for subwoofers or full-range speakers. The device is particularly relevant where a single power amplifier must support both stereo and bridged-mono configurations, although the external supply, output-filter, speaker, and thermal designs remain application-specific. Thermal design is the principal implementation constraint. The exposed package heat slug must be coupled to a suitable heat sink through a high-performance thermal interface material, and the power stage requires stable, low-impedance supplies. Use the application diagrams in the manufacturer datasheet to select inductors, capacitors, power-supply components, and the PCB thermal interface for the intended output impedance and power level. This page organizes the manufacturer specifications, verified source links, application guidance, and replacement considerations into an engineering-focused reference. It also distinguishes confirmed package and output capabilities from parameters that require direct checking in the TI datasheet before schematic release, PCB construction, or production procurement.

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TAS5701PAP - 20W Stereo Class-D Amplifier | Texas Instruments
TAS5701PAP

TAS5701PAP - 20W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5701PAP is a 20-W stereo digital-input Class-D audio power amplifier with hardware control, operating from a 0- to 21-V supply in a 64-pin HTQFP (PAP) package measuring 10 x 10 mm. Two serial data inputs support up to three discrete audio channels, with SDIN1 routed to internal left and right outputs and SDIN2 dedicated to SUB_PWM± outputs. A Class-D audio power amplifier is a switching power-conversion device that efficiently delivers audio energy to bridge-tied speakers. The Class-D hierarchy is part of switching amplifiers, audio amplifiers, and broader power-management semiconductors. Unlike a linear output stage, a Class-D design moves most signal amplification into switching transistors, improving efficiency while requiring careful output filtering, power-supply design, and electromagnetic-interference control. The TAS5701PAP provides 20 W of stereo audio power and accepts digital audio data, making it suitable for consumer audio equipment that receives its source signal from a digital audio codec or processor. Its hardware control interface supports integration into systems requiring amplifier enable, mute, reset, or operating-mode management. The device is offered in a surface-mount HTQFP package with 64 pins and an operating temperature range of 0°C to 85°C. Internally, the device uses digital audio input and PWM-based output modulation. SDIN1 supplies the left and right stereo channels, while SDIN2 supports dedicated subwoofer PWM outputs. The TAS5701 operates as a clock-slave device, meaning it requires clocks from an external source rather than generating the master audio clock itself. This architecture simplifies synchronization with a digital audio processor but makes the external clock and serial-data timing central to the system design. Typical applications include compact stereo speakers, powered multimedia speakers, sound bars, active subwoofer systems, and digital audio products requiring a bridge-tied Class-D output stage. The dedicated subwoofer PWM path can support systems combining stereo playback with an additional low-frequency channel. Because the amplifier is not a linear audio amplifier, its supply rails and output filters strongly influence noise, distortion, and EMI behavior. When implementing this device, use the manufacturer datasheet reference layout and place the input, supply, ground, and output-filter components according to the specified layout. Maintain short high-current supply paths and adequate ground-plane continuity. Check speaker impedance, output-filter component tolerances, thermal conditions, and the external master-clock requirements before releasing the PCB layout. This page consolidates verified manufacturer and distributor information, strict same-package replacement screening, package and lifecycle details, and practical design guidance. It distinguishes confirmed TAS5701PAP characteristics from parameters that require confirmation in the manufacturer datasheet or current authorized-channel quotation.

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TAS5704PAP - 20W Stereo Class-D Amp | Texas Instruments
TAS5704PAP

TAS5704PAP - 20W Stereo Class-D Amp | Texas Instruments

The Texas Instruments TAS5704PAP is a 20 W stereo, digital-input Class-D audio power amplifier operating from a 10 V to 26 V supply and packaged in a 64-pin HTQFP (PAP) with exposed pad. It supports stereo or quad-channel processing, speaker equalization, dynamic range control, hardware control, and digital feedback for efficient bridge-tied speaker drive. A Class-D audio power amplifier is a switching amplifier within the broader hierarchy of audio amplifiers, analog and mixed-signal ICs, and semiconductor signal-processing devices. Instead of operating the output transistor continuously as a linear amplifier, it uses a switching output stage to convert a digital or analog audio signal into high-efficiency bridge-tied speaker drive. The TAS5704 integrates digital signal processing, modulation, and output-stage functions into one device. Key features include 20 W per stereo channel into an 8 ohm load from an 18 V supply, two serial digital audio inputs supporting up to four discrete channels, and a hardware-configurable data path. These features allow the amplifier to interface with compatible digital audio processors while providing system-level control over channel routing, speaker EQ, DRC, and mute or shutdown behavior. The device uses a digital audio datapath and a feedback architecture to monitor the Class-D output stage. The two serial inputs accept multiple discrete channels and operate with digital processors that support compatible data formats and clock rates. An exposed thermal pad beneath the 64-pin package provides the primary heat-transfer path from the power amplifier and control circuitry to the PCB. Typical uses include compact stereo speakers, powered Bluetooth and Wi-Fi speaker systems, soundbars, consumer audio equipment, and other products that require a digital Class-D output stage with local EQ and DRC. The integrated processing can reduce the need for separate audio DSP components when the required presets and routing functions are supported by the TAS5704 configuration. PCB design should preserve the exposed-pad thermal path with a continuous ground plane and via array, place power-supply and ground connections close to the device, and route sensitive clock and serial-data lines away from switching-node conductors. Speaker and supply connections must also be sized for the intended output power; otherwise connector, copper, and thermal limitations can restrict real-world output below the stated 20 W condition.

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