Circuitos Integrados

TAS5001PFBRG4

TAS5001PFBRG4 - Digital Audio PWM Processor | TI | 48-TQFP

The TAS5001PFBRG4 is a true digital audio amplifier digital audio PWM processor from Texas Instruments, designed for high-quality digital audio amplification. It is housed in a 48-pin TQFP (7x7 mm) package and operates as a 2-channel audio signal processor. The device delivers a 96-dB dynamic range and a THD+N of 0.08% at 1 kHz, making it suitable for demanding audio applications. A digital audio PWM processor is a specialized integrated circuit that converts digital audio data (such as I2S or TDM) into a pulse-width modulated (PWM) signal that can directly drive a class-D power stage. This approach enables efficient, high-fidelity amplification by keeping the audio signal in the digital domain until the final output stage, minimizing analog distortion and noise. The TAS5001 is part of the broader class of digital audio amplifiers, which are essential in modern consumer electronics, automotive infotainment, and professional audio equipment. Key features of the TAS5001PFBRG4 include a 96-dB dynamic range, 0.08% THD+N at 1 kHz, and support for 2-channel audio processing. The device is designed to work with the TAS5100 power stage to form a complete digital amplifier system, achieving a system-level dynamic range of 93 dB measured at the speaker terminals. The PWM processor handles digital audio data with high precision, ensuring low distortion and noise. Technically, the TAS5001 employs advanced digital signal processing to generate PWM signals with minimal jitter and high linearity. It accepts standard digital audio formats and provides the necessary control signals for the external power stage. The device operates from a 3.3V supply and is specified for the industrial temperature range, making it robust for various environments. Typical applications include home theater systems, soundbars, active speakers, and automotive audio systems. The TAS5001's high dynamic range and low distortion make it ideal for applications where audio fidelity is critical. Its digital architecture simplifies system design by eliminating analog pre-amplification stages. When designing with the TAS5001, ensure proper decoupling of the power supply and careful PCB layout to minimize noise coupling. The device requires an external power stage (e.g., TAS5100) and a microcontroller for control, so plan the system interface accordingly.

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TAS5026APAG

TAS5026APAG - 6-Ch Digital Audio PWM Processor | TI

The TAS5026APAG is a six-channel digital audio PWM processor from Texas Instruments, part of the PurePath Digital™ family. It integrates a modulator that converts digital audio data into PWM signals for driving external power stages, enabling high-efficiency Class-D amplification. The device operates from a 3V to 3.6V supply and is packaged in a 64-pin TQFP (10x10 mm). It interfaces via I2C and I2S, making it suitable for multi-channel audio systems. A digital audio PWM processor is a specialized DSP that converts digital audio streams (e.g., I2S) into pulse-width modulated signals. These PWM signals drive switching power stages, which then feed speakers through passive LC filters. This architecture achieves high efficiency (>90%) compared to linear amplifiers, reducing heat and power consumption in consumer and professional audio equipment. Key features include six independent channels, I2C control for configuration, and I2S input for digital audio. The device supports sample rates up to 192 kHz and provides advanced processing like volume control and dynamic range compression. Its 64-TQFP package offers a compact footprint for multi-channel designs. Technically, the TAS5026APAG employs a digital modulator with noise shaping to achieve high signal-to-noise ratio. It is designed to work with TI's PurePath Digital power stages, such as the TAS5121, which can deliver up to 100W into 4Ω speakers. The PWM output is optimized for minimal distortion and jitter. Typical applications include home theater receivers, AV receivers, soundbars, and active speakers. The device's multi-channel capability and digital interface make it ideal for surround sound systems. It is also used in automotive infotainment and professional audio equipment. When designing with the TAS5026APAG, ensure proper decoupling of the 3.3V supply and careful PCB layout to minimize noise. The I2C interface allows real-time control of volume and mute functions. Note that the device is now obsolete, so consider alternative parts for new designs.

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TAS5028PAG

TAS5028PAG - 8-Ch Digital Audio PWM Processor | TI

The Texas Instruments TAS5028PAG is an 8-channel digital audio PWM processor packaged in a 64-pin TQFP measuring 10 mm by 10 mm. It is designed for digital audio systems requiring a dedicated multi-channel pulse-width-modulation output stage and is intended to interface with audio digital signal processors. The processor operates across a stated temperature range of 0 °C to 70 °C. A digital audio PWM processor is a mixed-signal audio IC that accepts digital audio information and generates PWM control signals for a multichannel power-amplifier design. Within the broader semiconductor hierarchy, it belongs to the audio special-purpose IC category, connects digital audio processing with an external amplification stage, and ultimately supports loudspeaker or headphone drive systems. Its eight-channel architecture consolidates parallel audio-channel control into one integrated device. The principal verified feature is support for eight PWM channels in one 64-TQFP package. According to the Texas Instruments TAS5028 product information, the device automatically adjusts its control configurations and is designed to interface seamlessly with most audio digital signal processors. This integration can simplify system partitioning by moving repetitive PWM generation away from a host DSP and into a dedicated companion processor. The package and ordering information identify TAS5028PAG as the PAG package option with 64 pins and a 10 mm by 10 mm body. That relatively high pin count provides dedicated external connections for multiple channels and associated control functions. Because the verified search results do not expose the complete electrical limits, detailed pin assignments, signal timing, or performance graphs, those values should be confirmed in the manufacturer datasheet before final schematic, layout, or signal-integrity work. Typical uses include multichannel active speaker systems, soundbars, home-theater receivers, powered speaker crossovers, compact consumer audio products, and other multichannel digital-audio designs. In these applications, the TAS5028PAG can receive processed audio information from a digital signal processor and produce the PWM signals required by an external bridge-style power stage. The primary design consideration is to treat the PWM outputs as high-current, fast-transitioning signals and preserve a clean return path from the external amplifier stage. Layout should follow the manufacturer guidance for decoupling and output routing, while the system designer should verify thermal performance and EMI behavior with the selected power-stage topology. This page combines the verified manufacturer identification, package information, distributor availability, observed pricing, and documented cross-reference findings. It also adds drop-in candidate analysis, application guidance, comparison parameters, and practical design cautions that are not consolidated on a standard distributor listing.

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TAS5086DBT

TAS5086DBT - 6-Channel Digital Audio PWM Processor | Texas Instruments

The Texas Instruments TAS5086DBT is a six-channel digital pulse-width modulation audio processor with four serial audio inputs representing eight input channels, support for 16-, 20-, or 24-bit data, and operation from 3 V to 3.6 V. The device is supplied in a 38-pin TSSOP (DBT) package and is designed to drive six speaker channels in single-ended or bridge-tied configurations. A digital audio PWM processor is an integrated circuit that accepts digital audio samples and converts them into high-speed PWM outputs suitable for controlling switching power stages. Within the broader hierarchy, the TAS5086DBT is a digital signal controller, a specialized DSP, and a system-integration IC for multichannel Class-D audio amplification. Its integrated control functions reduce the amount of external digital processing required in home-theater, multimedia, and powered-speaker systems. Key capabilities include automatic detection of master-clock and data-sample rates, four serial audio inputs carrying eight channels, and support for 32-, 44.1-, 48-, 88.2-, 96-, 176.4-, and 192-kHz sampling rates. Input word lengths of 16, 20, or 24 bits allow compatibility with common audio processors and MPEG decoders. Six independently controlled PWM outputs support either six single-ended loads or three bridge-tied loads when fewer amplifier channels are required. The TAS5086DBT architecture integrates digital audio input handling, PWM modulation, speaker-output control, and communication with a host processor. This integration provides a practical bridge between a digital audio decoder and external power stages. Exact clock requirements, PWM output timing, electrical limits, and thermal characteristics must be confirmed in the manufacturer datasheet before finalizing a high-power design. Typical uses include 5.1-channel home-cinema amplification, active multimedia speakers, digital soundbars, powered subwoofers, and compact consumer audio systems. Its multiple serial inputs and six-channel output capability suit systems in which one device receives several decoded audio streams and coordinates multiple speaker drive channels. The IC is intended to work with appropriately designed external switching power stages and speaker drivers. A key design consideration is that digital audio correctness depends on proper clocking, data alignment, and channel mapping. The PCB should provide a short, controlled return path for switching-node energy, while the analog and digital grounds should follow the manufacturer’s recommended layout and decoupling arrangements. Verify the external MOSFET, gate-driver, filter, and thermal solution against the datasheet before production. This product page consolidates verified manufacturer facts, distributor sourcing information, ordering-code differences, comparison data, and practical design cautions. It is intended to accelerate component selection while explicitly identifying electrical details that remain unavailable in the supplied source snapshot.

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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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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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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

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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TAS5705PAP

TAS5705PAP - 20W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5705PAP is a 20 W stereo digital-input Class-D audio power amplifier with an 8 V to 23 V supply range, speaker equalization and dynamic range control, packaged in a 64-pin HTQFP (PAP) package. It is designed to drive stereo bridge-tied speakers while accepting digital audio from a compatible processor. A Class-D audio power amplifier is a switching-based amplifier that delivers speaker output at high efficiency compared with conventional linear audio amplifiers. The TAS5705 belongs to the hierarchy digital audio power amplifier, Class-D amplifier, audio amplifier, amplifier IC and power-management semiconductor. Its digital signal path allows system-level processing to be integrated closer to the speaker output while retaining a compact surface-mount implementation. Verified product information identifies the TAS5705 as a 20 W stereo device with an 8 V to 23 V supply, digital input, open-loop Class-D architecture, speaker EQ and DRC. Distributor listings also describe the PAP configuration as a two-channel amplifier with stereo headphone and subwoofer features. These characteristics position it for consumer audio systems requiring a digital audio interface and local speaker-drive capability. The open-loop Class-D topology delegates loop filtering to external components, allowing the analog filter design to be selected for the intended speaker bandwidth, output-power target and system cost. Integrated EQ and DRC provide tools for controlling tonal response and limiting output excursion, although exact processing configuration depends on the device registers and the associated control software or external digital processor. Typical uses include compact stereo speakers, multimedia systems, sound bars, home-audio products and consumer audio receivers with a digital signal source. Digital input makes the device especially useful where the host processor already provides decoded PCM audio and system designers want to keep the audio signal in the digital domain until the final power-amplifier stage. A key design consideration is that the external LC filter and speaker load directly affect achievable output power, distortion and stability. Layout should follow the manufacturer's recommended application circuit, keep switching-current paths compact and place the filter components close to the appropriate output pins. This page consolidates verified manufacturer and distributor information, drop-in replacement candidates, package details and engineering guidance into one searchable reference for designers evaluating the TAS5705PAP in digital-input stereo audio systems.

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TAS5706PAP

TAS5706PAP - 20W Stereo I2S Class D Amplifier | TI

Texas Instruments TAS5706PAP is a 20 W stereo closed-loop I2S audio power amplifier with speaker EQ and DRC, packaged in a 64-pin HTQFP (PAP) measuring 10 x 10 mm. It supports two-channel stereo or four-channel quad operation, processes as many as four discrete audio channels, and is designed to drive stereo bridged-tied speakers through an efficient Class D output stage. A Class D audio power amplifier is a switching-based amplifier that delivers audio through a high-efficiency output stage. Its hierarchy places it within digital audio amplifiers, then audio amplifiers, then analog and mixed-signal integrated circuits. The TAS5706PAP combines a digital serial-audio input interface, programmable signal routing, speaker equalization, and dynamic range control in one device. This integration reduces the need for separate digital signal processing in systems requiring local audio conditioning. Three headline features define the device: up to 20 W of stereo output power, an I2S-compatible digital audio interface, and closed-loop Class D amplification. The amplifier can route as many as four discrete audio channels to its internal outputs, while its speaker EQ and DRC functions add system-level acoustic processing. The 64-pin HTQFP package supports compact surface-mount implementation in consumer audio and communication equipment. The TAS5706PAP accepts serial digital audio data from digital audio processors and MPEG decoders. Its programmable data path provides flexible channel routing, and two serial data inputs allow a system to handle multiple discrete channels. Because the processing and output functions are integrated, a designer can place EQ and dynamic range control immediately before the power-conversion stage instead of implementing those operations in an external processor. Typical applications include powered speakers, compact stereo audio systems, soundbars, automotive or portable audio products, and embedded multimedia equipment. The closed-loop output architecture is particularly appropriate for bridged-tied speaker configurations where the amplifier must support the speaker load while maintaining the required output-power level. Systems should also account for the device's digital audio configuration and power-delivery requirements during board layout. The primary design consideration is preserving the integrity of the I2S clock and data signals while providing clean, stable power to the Class D output stage. Layout should minimize high-current output-loop area, provide appropriate supply and ground-return paths, and separate sensitive digital inputs from switching-node energy. Speaker filtering and output-network implementation must also be selected for the intended load and acoustic response. This page consolidates the verified manufacturer description, distributor package information, technical source links, application guidance, and honest replacement analysis for TAS5706PAP. It also identifies where verified public data is limited, avoiding invented electrical details or unsupported drop-in substitutions.

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TAS5707PHP

TAS5707PHP - 20W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5707PHP is a 20-W open-loop stereo digital-input Class-D audio power amplifier with speaker EQ and dynamic range control (DRC), housed in a 48-pin HTQFP (PHP) package. The device is intended for driving stereo bridge-tied speakers from a digital audio source and combines an efficient Class-D output stage with integrated digital audio processing. Its digital input architecture supports programmable speaker EQ and DRC, while the open-loop design gives the system designer control over the signal chain and processing configuration. According to the verified TI product and distributor information, the TAS5707PHP provides a two-channel stereo output solution for compact consumer, communication, and embedded audio systems where efficiency, digital control, and speaker-driver capability are important design priorities. A Class-D audio power amplifier is a switching power amplifier that converts a digital or analog audio input into a high-efficiency speaker drive signal. Compared with a linear audio amplifier, the Class-D architecture reduces the amount of power dissipated by the output devices, which is valuable in portable and space-constrained equipment. The TAS5707PHP includes integrated audio processing functions that help tailor the output for speaker characteristics and system volume requirements. This combination of digital input, programmable processing, and a 20-W stereo output makes the device useful in speakers, sound bars, television equipment, and other systems requiring local amplification of a digital audio stream. The verified product description identifies the TAS5707PHP as a 20-W stereo digital audio power amplifier with speaker EQ and DRC. The stereo configuration allows two discrete audio channels to be processed and amplified in a single device, reducing the component count compared with separate mono amplifier channels. The open-loop architecture is also important because it provides a defined signal path that can be integrated with an external audio processor or system controller. The device therefore serves both as a power stage and as a digitally controlled audio subsystem element. The main engineering tradeoff is that the design must be validated for speaker impedance, power limitations, thermal conditions, and the specific digital audio configuration. The manufacturer product page identifies TAS5707PHP as not recommended for new designs, so it should be selected primarily for existing designs, legacy platforms, or qualified repair and production situations rather than as the default choice for a new product. The 48-pin HTQFP (PHP) package also requires a PCB footprint and land pattern that match the manufacturer package drawing. TAS5707PHP can be used in compact stereo speakers, television or monitor audio, communication terminals, portable equipment, and other embedded audio products where two amplified channels are needed. Digital audio sources can feed the amplifier through its digital input, allowing EQ and DRC to be configured in the digital processing domain. Designers should confirm the required sample rate, audio-word format, channel count, speaker impedance, power target, and control configuration against the manufacturer datasheet before layout or firmware development. This product page consolidates the verified TI product description, distributor package information, pricing reference, lifecycle indication, and practical application guidance for engineers evaluating TAS5707PHP. It emphasizes the distinctions that affect a real replacement decision: the 20-W stereo Class-D output, digital-input architecture, integrated speaker EQ and DRC, 48-pin HTQFP (PHP) package, and the manufacturer's not-recommended-for-new-designs status.

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TAS5708PHP

TAS5708PHP - 20W Stereo Class-D Audio Amplifier | Texas Instruments

The Texas Instruments TAS5708PHP is a 20 W stereo digital Class-D audio power amplifier with an I2S input, closed-loop feedback, speaker equalization, and dynamic range control, housed in a 48-pin HTQFP (PHP) package. It operates from a 10 V to 26 V supply and is designed to drive stereo bridge-tied speakers with 20.2 W per channel. A digital Class-D audio power amplifier is a power-management IC that accepts digital audio samples and uses internal switching and feedback circuitry to deliver power to loudspeakers. The Class-D topology belongs to the switching-amplifier hierarchy rather than conventional linear amplifiers, improving efficiency while the integrated digital signal path controls volume, equalization, and speaker dynamics. The TAS5708 provides a 32-bit datapath, on-chip dynamic range control, and speaker equalization. Its digital input avoids the prescaling requirements associated with some older audio amplifiers and preserves signal integrity while processing audio. Closed-loop feedback is specifically identified for this device, providing a defined relationship between the amplifier output and the commanded speaker drive. The integrated processing functions reduce the need for separate software or analog signal-conditioning blocks in consumer audio equipment. Dynamic range control can maintain perceived loudness while reducing distortion or clipping, while speaker equalization can compensate for acoustic and enclosure response differences. Exact filter coefficients, configuration registers, protection thresholds, and thermal limits must be confirmed in the manufacturer datasheet before implementation. Typical uses include compact stereo speakers, multimedia speaker systems, Bluetooth speaker enclosures, soundbars, consumer television audio, and other powered speaker products. The 10 V to 26 V supply range suits systems using an external Class-D-compatible supply while keeping the amplifier integrated with digital audio processing. A key design consideration is that the exposed thermal pad and output-filter layout must follow the manufacturer's reference design. Power loss depends on supply voltage, output power, modulation method, and filter efficiency, so thermal analysis should use the worst-case audio waveform rather than only a continuous sine-wave condition. This product record combines manufacturer and distributor information with verified same-family alternatives, package-aware comparisons, and practical implementation guidance. It distinguishes confirmed specifications from values that require engineers to consult the full datasheet or design-support resources.

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TAS5709PHP

TAS5709PHP - 20W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5709PHP is a 20 W stereo, 2-channel Class-D digital audio power amplifier with an 8 V to 24 V supply, digital input, speaker equalization, and dynamic range control, housed in a 48-pin HTQFP (PHP) package. A Class-D audio power amplifier is a switching power stage that converts digital audio signals into high-efficiency bridge-tied speaker drive. Within the broader hierarchy, the TAS5709PHP belongs to the digital audio amplifier class, then audio amplifiers, then amplifier ICs and analog/mixed-signal semiconductors. Its digital input and integrated processing allow a host processor to deliver audio directly without requiring a separate analog-to-digital converter or pre-amplifier stage. The device provides 20 W stereo output, operates from an 8 V to 24 V supply, and supports digital audio input through a serial interface. On-chip speaker EQ and dynamic range control provide programmable acoustic functions before the signal reaches the power stages. These functions make the amplifier useful where cabinet, speaker, and source characteristics require system-level audio adjustment rather than fixed analog gain alone. Technically, the TAS5709PHP integrates a digital signal-processing path with two Class-D output channels designed to drive stereo bridge-tied speakers. The verified manufacturer information identifies the device as an open-loop Class-D amplifier, meaning the IC is intended for use with external closed-loop feedback circuitry. System designers must therefore account for the feedback network, filtering requirements, output configuration, and protection strategy when developing the speaker-amplifier stage. Typical uses include stereo speaker amplification in consumer electronics, audio racks, television systems, and embedded digital-audio products. Its digital input can simplify connections to audio processors, MPEG decoders, and digital audio sources, while integrated EQ and dynamic range control can reduce the amount of host-side processing required for common speaker-management functions. A key design consideration is the relationship between supply voltage, speaker impedance, thermal dissipation, and Class-D output filtering. The amplifier should be placed near the speaker connectors, with its power and ground system designed to minimize switching noise and output-stage instability. Verify the external feedback and filter topology against the manufacturer datasheet before production use. This page consolidates verified manufacturer and distributor information, practical design guidance, and clearly qualified replacement considerations. It also separates confirmed same-family parts from candidates whose pin compatibility cannot be established from the supplied web evidence, helping engineers make sourcing decisions without treating merely similar devices as true drop-in replacements.

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TAS5710PHP

TAS5710PHP - 20W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5710PHP is a 20 W stereo, digital-input, closed-loop Class-D audio amplifier with speaker equalization and 2-band dynamic range control, housed in a 48-pin HTQFP package measuring 7 x 7 mm. The device operates from a 10 V to 26 V power-supply range and is designed to drive stereo bridge-tied speakers through its integrated digital audio processing and class-D output stages. A Class-D audio amplifier is a switching power amplifier that uses pulse-width modulation to deliver speaker power efficiently. Compared with a linear audio amplifier, this approach reduces the amount of power dissipated as heat in the output stage. A digital-input device accepts encoded audio data rather than an analog line-level signal, allowing software-defined volume, equalization, and dynamic-range-control functions to be applied before the signal reaches the power-output stage. The TAS5710PHP combines two stereo output channels, digital signal processing, and closed-loop output feedback in one package. Its identified 20 W output capability is suitable for compact consumer-audio equipment where space and power efficiency matter. The integrated equalization function can shape speaker response, while the 2-band DRC can reduce unwanted level variation. Exact processing coefficients, gain settings, output-power conditions, and thermal limits depend on the manufacturer configuration and test conditions. The digital input architecture makes the amplifier suitable for systems in which a host processor or digital audio codec supplies I2S-compatible data. Designers can centralize mixing, source selection, volume control, and tone processing in software, while the TAS5710PHP converts the digital stream into a bridge-tied Class-D speaker drive. The closed-loop topology is intended to improve output behavior by using feedback to correct the delivered bridge-tied voltage. Typical uses include powered speakers, soundbars, compact stereo systems, wireless speakers, displays, and consumer audio products with digital audio sources. The 48-pin HTQFP package offers many connections for power, ground, digital audio, configuration, feedback, and output stages, but the complete exposed-pad land pattern and thermal-management requirements must be followed exactly. Layout is as important as the logical signal path. Place the decoupling capacitors close to their associated supply pins, provide a low-impedance ground return for the power stage, and route the sensitive digital, clock, and feedback connections away from switching-node currents. The exposed thermal pad must be connected to the ground plane with adequate copper and vias; otherwise the 20 W class can create a substantial thermal burden even though the amplifier is electrically efficient. This page consolidates the verified manufacturer and distributor information, distinguishes documented capabilities from unspecified parameters, and provides application and design guidance that should be checked against the complete manufacturer datasheet before schematic capture or PCB release.

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TAS5711PHP

TAS5711PHP - 20W Stereo Class-D Amplifier | Texas Instruments (Tape & Reel)

The Texas Instruments TAS5711PHP is a 20 W digital-input, open-loop Class-D audio power amplifier for stereo bridge-tied speakers, with 8 V to 26 V PVDD operation, 2.1-channel support, equalization, dynamic range control, and a 48-pin HTQFP package measuring 7 mm by 7 mm. Its digital signal path supports up to two discrete audio channels, while its integrated processing is designed for use with digital audio processors and MPEG decoders. A Class-D audio amplifier is a switching power amplifier that uses efficient transistor output stages to drive speakers through LC filter networks. It belongs to the broader class of audio amplifiers, power amplifiers, and analog and mixed-signal semiconductors. Compared with a linear amplifier, the TAS5711 family is intended to reduce power dissipation while delivering high output power for portable consumer-audio equipment, soundbars, compact televisions, and other embedded audio systems. The verified manufacturer data identifies the TAS5711 as a 20 W stereo amplifier operating from an 8 V to 26 V supply and reaching up to 90% efficiency. It provides digital audio input, programmable channel routing, AD and BD filter-mode support, EQ, DRC, and 2.1 mode. The verified datasheet search result also lists SNR of 106 dB, A-weighted, and describes bridge-tied-load operation for stereo speakers. The device accepts a wide range of input data and data rates through its serial digital interface. This makes the signal path suitable for systems where audio is already processed by a digital audio codec, decoder, application processor, or MPEG source. The internal programmable path can route two discrete channels and supports audio processing functions without requiring a separate analog preamplifier for those functions. Typical uses include stereo speaker drive, compact 2.1 speaker systems, consumer-audio equipment, soundbar amplification, and embedded audio products requiring efficient digital power amplification. The supplied PVDD range provides design flexibility for battery-powered and external-amplifier architectures, although actual speaker output depends on supply voltage, load impedance, thermal conditions, and filter design. Designers should follow the manufacturer datasheet for the exact pin functions, exposed-pad connection, LC filter values, thermal layout, digital interface timing, and power-supply decoupling. Because the part is a Class-D output stage, speaker outputs require the specified external filtering network. PCB placement should keep the power-loop area small, provide adequate copper for thermal dissipation, and route sensitive digital signals away from output switching nodes. This product record consolidates the verified manufacturer description, distributor identification, package information, and practical replacement-search results. It is intended to support design review, sourcing, and datasheet discovery; verify the current datasheet and part-status notices before committing a production design.

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TAS5711PHPR

TAS5711PHPR - 20W Stereo Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5711PHPR is a 20 W digital-input, open-loop Class-D audio power amplifier for stereo bridge-tied speakers, with 8 V to 26 V PVDD operation, 2.1-channel support, equalization, dynamic range control, and a 48-pin HTQFP package measuring 7 mm by 7 mm. Its digital signal path supports up to two discrete audio channels, while its integrated processing is designed for use with digital audio processors and MPEG decoders. A Class-D audio amplifier is a switching power amplifier that uses efficient transistor output stages to drive speakers through LC filter networks. It belongs to the broader class of audio amplifiers, power amplifiers, and analog and mixed-signal semiconductors. Compared with a linear amplifier, the TAS5711 family is intended to reduce power dissipation while delivering high output power for portable consumer-audio equipment, soundbars, compact televisions, and other embedded audio systems. The verified manufacturer data identifies the TAS5711 as a 20 W stereo amplifier operating from an 8 V to 26 V supply and reaching up to 90% efficiency. It provides digital audio input, programmable channel routing, AD and BD filter-mode support, EQ, DRC, and 2.1 mode. The verified datasheet search result also lists SNR of 106 dB, A-weighted, and describes bridge-tied-load operation for stereo speakers. The device accepts a wide range of input data and data rates through its serial digital interface. This makes the signal path suitable for systems where audio is already processed by a digital audio codec, decoder, application processor, or MPEG source. The internal programmable path can route two discrete channels and supports audio processing functions without requiring a separate analog preamplifier for those functions. Typical uses include stereo speaker drive, compact 2.1 speaker systems, consumer-audio equipment, soundbar amplification, and embedded audio products requiring efficient digital power amplification. The supplied PVDD range provides design flexibility for battery-powered and external-amplifier architectures, although actual speaker output depends on supply voltage, load impedance, thermal conditions, and filter design. Designers should follow the manufacturer datasheet for the exact pin functions, exposed-pad connection, LC filter values, thermal layout, digital interface timing, and power-supply decoupling. Because the part is a Class-D output stage, speaker outputs require the specified external filtering network. PCB placement should keep the power-loop area small, provide adequate copper for thermal dissipation, and route sensitive digital signals away from output switching nodes. This product record consolidates the verified manufacturer description, distributor identification, package information, and practical replacement-search results. It is intended to support design review, sourcing, and datasheet discovery; verify the current datasheet and part-status notices before committing a production design.

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TAS5713PHP

TAS5713PHP - 25W Stereo Class-D Amplifier | TI

The Texas Instruments TAS5713PHP is a 25 W stereo digital-input Class-D audio amplifier with equalization and dynamic range control, housed in a 48-HTQFP package measuring 7 mm by 7 mm. It accepts an 8 V to 26 V supply and processes up to two discrete audio channels through one serial data input. The device is designed to drive stereo bridge-tied speakers from digital audio processors and MPEG decoders. A Class-D audio amplifier is a switching power amplifier that efficiently converts digital audio signals into differential speaker outputs. Within the semiconductor hierarchy, it belongs to the amplifier IC family, the audio amplifier IC subcategory, and the broader power-management and signal-processing ecosystem. The TAS5713PHP combines digital signal processing, speaker drive, and integrated audio features in one package. The principal specifications include 25 W output capability, two-channel stereo operation, an 8 V to 26 V supply range, digital input, integrated equalization, and dynamic range control. Its 48-pin HTQFP package supports compact PCB integration while providing separate connections for power, ground, digital audio data, clock signals, and differential speaker outputs. The exact output-power conditions and thermal limits must be confirmed from the manufacturer datasheet. Internally, the TAS5713PHP uses a serial digital-audio input and a programmable data path to route two channels into the stereo output stage. Equalization and dynamic range control are integrated into the signal-processing chain, reducing the need for separate software or hardware blocks in many audio systems. Its Class-D output architecture is intended for efficient bridge-tied speaker drive rather than conventional analog power-amplifier output stages. Typical uses include compact stereo speakers, soundbars, display audio systems, set-top equipment, portable audio products, and other consumer electronics that accept digital audio data. A digital audio interface or processor can feed the serial input, while the two Class-D outputs connect to left and right speakers. System-level thermal design remains important because the available 25 W rating depends on supply voltage, load conditions, and PCB copper. The primary design consideration is to preserve clean power and signal paths around the amplifier. Short output connections, adequate input and output decoupling, stable supply routing, and thermal copper help maintain audio performance. Speaker impedance and power limits must be taken directly from the manufacturer documentation rather than inferred from the headline 25 W rating. This product data combines the verified 25 W stereo Class-D configuration, 8 V to 26 V supply range, 48-HTQFP package, digital processing features, distributor pricing, availability information, and practical integration guidance. It also distinguishes verified facts from parameters that still require direct confirmation in the manufacturer datasheet.

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TAS5715PHP

TAS5715PHP - 25W Stereo Class-D Audio Amplifier | Texas Instruments

Texas Instruments TAS5715PHP is a 25 W stereo Class-D digital audio power amplifier with an 8 V to 26 V PVDD range, digital input, integrated speaker EQ, dynamic range control, high-pass filtering, and headphone PWM outputs in a 48-pin HTQFP (PHP) package measuring 7 mm by 7 mm. A Class-D audio power amplifier is an efficient switching power stage that drives stereo bridge-tied speakers using digital input data. Within the broader semiconductor hierarchy, the TAS5715PHP is a digital-input audio power amplifier, a member of the Class-D amplifier family, and an audio amplifier IC used in professional and consumer audio power-management systems. Its 48-pin surface-mount HTQFP package supports dense integration on audio amplifier boards. The verified product information specifies 25 W output into an 8 ohm load from an 18 V supply, together with support for 50 W operation in parallel bridge-tie load, or PBTL, mode with a 4 ohm load. The device accepts digital audio data for up to two discrete channels, allowing a digital audio processor or MPEG decoder to feed the stereo output stages without separate analog-to-digital conversion. The TAS5715 combines speaker signal processing with power amplification. Integrated features include equalization, dynamic range control, high-pass filtering, and DC protection. Headphone PWM outputs add a second use case beyond loudspeaker drive, while efficient Class-D operation reduces the heat normally associated with linear audio output stages. The open-loop architecture provides digital control of the audio signal path rather than relying only on conventional analog feedback. Typical applications include powered stereo speakers, compact consumer audio systems, multimedia equipment, sound bars, and digital-audio source products. Its serial digital input works naturally with digital audio processors and MPEG decoders, while the 25 W stereo rating targets conventional 8 ohm speaker loads. The 50 W PBTL capability provides additional flexibility for suitable 4 ohm loads when the amplifier, thermal design, and board layout support that operating mode. Power-supply and thermal layout are critical because Class-D output current and switching losses produce heat in the HTQFP package. The exposed-pad area and surrounding PCB copper must be designed for effective heat transfer, and speaker outputs must not be connected to ground or chassis. Input routing, power ground separation, and output-filter selection also require careful layout to preserve audio performance and suppress unwanted switching artifacts. This product page consolidates verified manufacturer and distributor information, structured drop-in alternatives, parameter comparisons, and practical design guidance. It distinguishes sourced specifications from unavailable detailed electrical data, helping engineers locate the official datasheet, evaluate replacement options, and plan a robust digital Class-D audio-amplifier implementation.

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TAS5716PAP

TAS5716PAP - 20W Stereo Class-D Audio Amplifier | Texas Instruments

Texas Instruments TAS5716PAP is a 20 W stereo digital-input Class-D audio power amplifier with speaker EQ, dynamic range control, and bass boost, housed in a 64-pin HTQFP (PAP) package measuring 10 mm by 10 mm. It operates from a 10 V to 26 V supply and supports stereo bridged-tied speaker output. A Class-D audio amplifier is a switching power amplifier whose output stage operates between conductive and nonconductive states instead of continuously biasing a conventional linear output transistor. In the electronic-component hierarchy, the TAS5716PAP belongs to the Class-D amplifier family, which is part of audio amplifiers, amplifier ICs, and power-management semiconductors. Its digital architecture reduces output-stage dissipation compared with a linear amplifier of comparable output power. The TAS5716PAP combines two serial-data inputs with digital signal processing capabilities. According to the Texas Instruments product page, the amplifier includes speaker EQ, DRC, and bass boost, allowing system designers to shape playback characteristics without implementing all of that processing in an upstream audio codec or digital signal processor. The verified data also identifies support for up to four discrete audio channels, making the device suitable for multi-zone or multi-speaker arrangements when the host processor supplies suitable digital audio streams. The device delivers up to 20 W stereo output from a 10 V to 26 V supply. Its 64-pin HTQFP package provides separate connections for digital audio, control, power, ground, and output-stage functions. The verified component listing identifies an 8 Ω maximum load resistance, and a comparison source reports a maximum power dissipation of 2890 mW. These values should be verified against the complete manufacturer datasheet for the selected speaker impedance, supply voltage, channel configuration, and output-power operating condition. Typical uses include television and display audio, compact stereo speaker systems, wireless speakers, headphones, microphones, and other consumer audio products. The digital input is particularly useful where an I2S-compatible audio processor can supply standard-rate serial audio and system control. Stereo operation can use bridged-tied outputs, while the capability to process discrete channels supports more flexible multi-speaker implementations. A critical design consideration is Class-D output filtering and PCB layout. The switching outputs require a correctly designed low-pass filter before the speaker connection, while the power-supply network must handle high-frequency ripple current. Designers should also confirm channel population, thermal margin, speaker impedance, and the supported digital audio format before releasing production hardware. This page consolidates the verified manufacturer and distributor information into an engineer-oriented comparison, application guide, pricing-data availability note, and design checklist. It also clearly identifies where complete pin, electrical, compliance, and alternative-part data must be obtained from the manufacturer datasheet rather than inferred from search snippets.

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TAS5717PHP

TAS5717PHP - 10W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5717PHP is a 10 W stereo digital-input Class-D audio power amplifier with a 4.5 V to 26 V supply range, integrated capacitor-free headphone output, and a 48-pin HTQFP (PHP) package. It accepts one serial digital audio input and supports two discrete audio channels for efficient bridge-tied speaker drive. The device combines the TAS5717 stereo power-amplifier function with TI DirectPath ground-centered headphone output technology. A Class-D audio amplifier is a switching power amplifier that uses transistor output stages to deliver high audio power efficiently. In bridge-tied-load operation, each output contributes to the voltage across the speaker. This architecture belongs to the broader power-amplifier and audio-IC hierarchy, where efficiency, thermal performance, output-filter requirements, and signal-path integration are central design considerations. Principal device features include 2 x 10 W stereo output capability, digital audio input, a 4.5 V to 26 V operating supply range, and integrated capacitor-free headphone outputs. The verified specifications also report THD+N of 0.13% at 1 W into an 8-ohm load with PVDD at 8 V. A single serial-data input supports programmable routing of two discrete audio channels, making the device suitable for systems receiving audio from digital processors, MPEG decoders, and other digital audio sources. The amplifier's integrated digital signal path reduces the need for a separate analog input interface, while its headphone stage offers a practical transition between loudspeaker and headphone outputs in compact consumer equipment. The PHP package provides 48 pins and a 7 x 7 mm body. Because no verified mechanical drawing, pin table, exposed-pad recommendation, or complete power-dissipation table was included in the supplied data, those implementation details must be confirmed in the manufacturer datasheet before layout is released. Typical uses include powered speakers, multimedia speaker systems, compact consumer audio products, and equipment requiring digital audio input plus both stereo loudspeaker and headphone outputs. Because the loudspeaker interface is a bridge-tied load, neither output should be referenced to system ground without an appropriate coupling or isolation arrangement. The integrated headphone output may reduce the external component count relative to designs using a separate headphone amplifier. A key design consideration is power-rail planning: the verified 4.5 V to 26 V range must cover startup, load-transient, and supply-noise requirements without exceeding the device limits. PCB designers should follow the manufacturer's land pattern, exposed-pad, thermal, output-filter, and decoupling guidance exactly. Speaker and headphone outputs also require EMI and EMI-risk review because Class-D switching currents can couple into sensitive analog or radio-frequency circuitry. This page consolidates the verified manufacturer and distributor information with structured specifications, purchase-intent guidance, application analysis, and honest replacement criteria. It also distinguishes confirmed TAS5717PHP characteristics from parameters that still require datasheet-level verification, helping engineers avoid treating generic Class-D amplifier data as device-specific evidence.

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TAS5719PHP

TAS5719PHP - 15W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5719PHP is a 15 W stereo, 4.5 V to 26 V digital-input Class-D audio amplifier with integrated capacitor-free headphone amplifier, housed in a 48-pin HTQFP (PHP) package measuring 7 mm by 7 mm. It supports two discrete audio channels through one serial data input and is designed to drive stereo bridge-tied speakers. A Class-D audio amplifier is a switching power amplifier that uses pulse-width modulation to deliver speaker output more efficiently than a conventional linear audio amplifier. The hierarchy is digital audio power amplifier to Class-D amplifier to audio amplifier IC, while the TAS5719 also integrates headphone-driver and signal-processing functions. This combination supports compact consumer and industrial audio systems requiring digital sources and analog speaker outputs. The principal features are 2 x 15 W stereo output capability, a 4.5 V to 26 V power-supply range, digital audio input, and an integrated capacitor-free headphone amplifier. Its 48-pin HTQFP package supports surface-mount assembly and thermal management through the exposed thermal pad. The device accepts wide-ranging input data and data rates for straightforward connection to digital audio processors and MPEG decoders. Internally, one serial data input supplies two independently routable discrete audio channels. The digital data path allows channels to be processed before conversion to the power-amplifier stage, reducing the need for a separate analog preamplifier in compatible systems. The integrated capacitor-free headphone path provides an additional low-power analog output function without requiring the traditional series output capacitors used with many headphone drivers. Typical uses include compact stereo speakers, audio docking stations, consumer television equipment, portable entertainment products, and industrial sound systems. The 15 W per-channel output rating is appropriate for small bookshelf speakers and multimedia speaker systems, while the 4.5 V to 26 V supply range accommodates systems powered from external adapters or higher-voltage industrial rails. PCB design should prioritize the exposed thermal pad, clean speaker-output routing, stable supply bypassing, and careful return-current management around the switching power stage. Speaker outputs carry high-frequency PWM energy, so keep sensitive audio inputs and external microphone circuitry away from the output nets. Verify thermal performance and EMI behavior in the final enclosure and load configuration. This page consolidates the verified manufacturer and distributor information, same-package family alternatives, package details, sourcing guidance, and application-specific design considerations. It distinguishes documented electrical facts from parameters that still require confirmation from the manufacturer datasheet before a new PCB or production release.

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TAS5721DCA

TAS5721DCA - 10W Stereo 2.1 Class-D Amplifier | Texas Instruments

The Texas Instruments TAS5721DCA is a 10 W stereo, 8 V to 26.4 V digital-input, open-loop Class-D audio amplifier with 2.1-channel support and headphone/line-driver capability, housed in a 48-pin HTSSOP DCA package. A Class-D audio amplifier is a switching power amplifier that uses pulse-width modulation to deliver speaker output efficiently. It belongs to the amplifier IC hierarchy, specifically the digital-input audio amplifier and power-amplifier classes. Unlike a conventional linear output stage, its switching architecture is intended to reduce amplifier dissipation while supporting compact, high-output audio systems. The device supports stereo bridge-tied-load speaker configurations, 2.1 systems containing two satellite speakers and one subwoofer, and parallel bridge-tied-load arrangements. Its digital audio input makes it suitable for systems using a digital audio source, while the open-loop architecture provides a distinct integration path for designs that manage gain or feedback externally. Key features include 10 W stereo output capability, an 8 V to 26.4 V supply range, digital input, support for 2.0 and 2.1 speaker systems, and integrated headphone or line-driver functionality. The 48-pin HTSSOP package provides the required connections for audio inputs, speaker outputs, control signals, power, and ground. The listed operating-temperature range is 0°C to 85°C. Typical uses include compact stereo speakers, multimedia speaker systems, sound bars, active subwoofer combinations, and other consumer audio products requiring efficient digital amplification. The 2.1 support is particularly useful when a product must combine left and right satellite speakers with a subwoofer in one amplifier solution. Designers should verify speaker impedance, power dissipation, thermal performance, decoupling, and output routing against the manufacturer datasheet before layout. The HTSSOP exposed-pad package also requires careful PCB thermal design so heat can spread into the board rather than concentrating beneath the device. This page combines verified manufacturer and distributor facts with explicit data gaps, practical application guidance, parameter comparisons, and sourcing links. It distinguishes confirmed specifications from information that still requires datasheet verification instead of presenting unverified assumptions as guaranteed performance.

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TAS5727PHP

TAS5727PHP - 25W Stereo Class-D Audio Amplifier | TI

Texas Instruments TAS5727PHP is a 25 W stereo Class-D digital audio power amplifier with a supply range of 8 V to 26 V, housed in a 48-pin HTQFP (PHP) package measuring 7 mm by 7 mm. It accepts digital audio input, supports bridge-tied-load speaker outputs, and integrates programmable speaker equalization and dynamic range control. The device can deliver 25 W into an 8 ohm load from a 20 V supply and can support 4 ohm loads in bridge-tied-load configurations. A Class-D audio power amplifier is a switching power amplifier whose output transistors operate at high frequency, allowing higher efficiency than a traditional linear amplifier. Within the broader hierarchy, TAS5727PHP is a digital-input audio power amplifier, a Class-D amplifier, an audio amplifier IC, and a power-management semiconductor designed to reproduce low-power digital audio signals at speaker-driving power levels. The primary features of TAS5727PHP include 25 W stereo output capability, an 8 V to 26 V PVDD range, digital signal input, integrated EQ and DRC, and low-RDS(ON) output stages that improve thermal performance. Its digital signal path can accept multiple data rates and route two discrete audio channels, allowing integration with digital audio processors, MPEG decoders, and other source devices. The architecture combines a digital audio input interface with a high-efficiency Class-D output stage. BTL operation permits a speaker to be driven differentially between two output nodes, increasing useful voltage swing into the load. Because the amplifier uses an open-loop digital input architecture, its processing behavior is configured through the associated digital control and configuration method rather than conventional analog feedback around the power stage. Typical uses include powered speakers, compact stereo audio systems, soundbars, wireless speaker enclosures, home-theater equipment, and consumer products that require local amplification of a digital audio stream. The 48-pin surface-mount package supports compact layouts, while the low-RDS(ON) output design addresses heat dissipation in continuously operating audio equipment. Designers should account for the amplifier's thermal dissipation, power-supply current, speaker impedance, PCB copper area, and output-filter requirements. The 8 V to 26 V supply range leaves less headroom than higher-voltage power amplifiers, so supply planning is essential when driving 4 ohm loads or sustained high-level audio. This product page consolidates the verified manufacturer specifications, distributor sourcing information, same-package drop-in candidates, and practical design guidance into one engineering-focused reference for audio-product developers.

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TAS5731PHP

TAS5731PHP - 20W Stereo Class-D Amplifier | Texas Instruments

Texas Instruments TAS5731PHP is a 20 W stereo, 41 W mono, digital-input, open-loop Class-D audio amplifier with 2.1-channel support, supplied in a 48-pin HTQFP (PHP) package. It operates from an 8 V to 21.5 V analog power supply and accepts a 3.3 V digital supply. The device supports one or two output channels, allowing a single implementation to address stereo playback or a subwoofer-assisted 2.1 audio system. Its advertised efficiency can reach 90%. A Class-D audio amplifier is a switching power amplifier whose output stage rapidly switches between supply rails, producing a filtered full-bridge output for a speaker load. Within the electronics hierarchy, the TAS5731PHP belongs to the Class-D amplifier family, then to audio power amplifiers, then to amplifier ICs and power-management semiconductors. Its digital input architecture simplifies connection to digital audio processors and MPEG decoders while avoiding an analog input path. Key features include 20 W stereo output capability, 41 W mono output capability, an 8 V to 21.5 V supply range, and 90% efficiency. The manufacturer search data also identifies a 3.3 V digital supply requirement and a 70 mΩ output-device on-resistance. These characteristics suit compact consumer audio equipment where a high-efficiency amplifier can reduce heat generation relative to a linear amplifier operating from the same supply. The PHP package contains 48 pins and measures 7 mm by 7 mm. Its operating-temperature range is -40°C to 85°C. The Part-Pin-Value option refers to the open-loop digital amplifier configuration identified by Texas Instruments; detailed control, filtering, and mixer implementation therefore depend on the associated DSP and external circuit design rather than on a conventional analog gain-control network. Typical applications include stereo speaker systems, compact sound bars, home-theater equipment, active subwoofers, and 2.1-channel multimedia products. The 2.1 support can reduce the need for a separate amplifier when driving left, right, and subwoofer channels. However, thermal performance and output power must be evaluated at the actual supply voltage, load impedance, channel configuration, and PCB thermal conditions. For implementation, follow the manufacturer datasheet for the exposed-pad connection, input and output filtering, power-supply decoupling, and speaker-load layout. The 48-pin HTQFP footprint requires careful thermal-via placement beneath the exposed pad. Verify worst-case dissipation across supply tolerance and audio peaks because sustained near-limit output can raise junction and board temperatures even when the amplifier operates with high efficiency. This product page consolidates the verified manufacturer specifications, current distributor purchasing information, same-family drop-in alternatives, and practical design guidance. It adds context for thermal, layout, replacement, and selection decisions while keeping unavailable electrical details explicitly marked rather than estimating them.

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