TAS5110DAP - 50W Stereo Class-D Power Stage | Texas Instruments
MPN: TAS5110DAP ✓ ActiveTAS5110DAP Overview
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.
Drop-in alternatives for TAS5110DAP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
No drop-in alternatives available for this product.
Request AlternativesTAS5110DAP Maximum Ratings & Electrical Characteristics
| Product Type | True digital audio amplifier PWM power output stage |
| Channel Configuration | 2-channel stereo |
| Amplifier Class | Class D |
| Maximum RMS Output Power | 50 W per channel at 10% THD |
| Low-Distortion RMS Output Power | 40 W per channel at 0.1% THD |
| Typical Total Harmonic Distortion Plus Noise | <0.09% at 1 kHz input signal |
| Dynamic Range | 93 dB in a TDAA system |
| Power Efficiency | >90% |
| Technology | Equibitt true digital audio amplification |
| External Processor Requirement | TAS50xx digital audio PWM processor |
| Package Type | 32-pin HTSSOP |
| Package Code | HTSSOP |
| Number of Terminals | 32 |
| Exposed Thermal Pad | Present |
| Terminal Form | Gull wing |
| Package Shape | Rectangular |
| Temperature Grade | Commercial |
| Mounting Type | Surface mount |
TAS5110DAP rectangular Pin Configuration Guide
Pin configuration for TAS5110DAP (rectangular package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for TAS5110DAP.
Refer to the datasheet for full pin configuration.
Typical Applications
TAS5110DAP is suitable for 6 applications: Digital Active Speaker Power Stage, Home-Theater Stereo Amplifier, Powered Subwoofer Amplifier, Digital Audio Rack Amplifier, Consumer Television Audio Output, High-Efficiency Digital Speaker Amplifier.
Digital Active Speaker Power Stage
The TAS5110DAP fits an active stereo speaker when the design already carries a digital audio signal and uses a compatible TAS50xx processor. According to the Texas Instruments manufacturer datasheet, the power stage delivers 50 W RMS per channel at 10% THD and 40 W RMS per channel at 0.1% THD. Its efficiency above 90% reduces the thermal burden relative to a linear output stage. The implementation must preserve clean digital routing, synchronize the processor and power stage, and provide speaker output filtering. PCB copper under the exposed pad should be sized for sustained 40 W to 50 W per channel rather than short-duration test output.
Recommended
Home-Theater Stereo Amplifier
The TAS5110DAP is appropriate for a compact home-theater power amplifier whose source subsystem already delivers digital audio. According to the Texas Instruments manufacturer datasheet, the device provides 50 W RMS per channel at 10% THD and 40 W RMS per channel at 0.1% THD, giving integrators useful output targets for typical stereo speaker loads. The true-digital path can eliminate a separate analog power-amplifier input stage, but it still requires a TAS50xx processor and correct clocking. Designers should reserve PCB area for robust supply decoupling, an output filter, and a substantial thermal land area that supports sustained listening power without excessive junction temperature.
Recommended
Powered Subwoofer Amplifier
The TAS5110DAP can be used as a stereo power-output stage in a powered subwoofer or low-frequency active speaker built around a digital audio signal path. According to the Texas Instruments manufacturer datasheet, its 50 W RMS per-channel capability at 10% THD provides substantial headroom, while the 40 W RMS rating at 0.1% THD is more appropriate when minimizing audible distortion. The >90% efficiency figure can reduce amplifier-module heat and supply demand. Implementation still requires the associated digital PWM processor, correctly designed speaker filters, protection against speaker impedance anomalies, and enough exposed-pad copper to remove power-stage heat continuously.
Recommended
Digital Audio Rack Amplifier
The TAS5110DAP suits rack-mounted multichannel audio equipment in which power-stage modules receive digital audio and control information from a central processor. According to the Texas Instruments manufacturer datasheet, it is a two-channel Class-D power stage with 50 W RMS per channel at 10% THD and efficiency above 90%. Centralizing digital processing can simplify channel routing and reduce repeated analog conversion in a larger installation. Each power module still needs independent local decoupling, short high-current paths, correct speaker filtering, and a thermal design capable of sustaining the selected output level. Fault monitoring and load protection should be implemented around each channel rather than assumed from the amplifier IC alone.
Recommended
Consumer Television Audio Output
The TAS5110DAP can form part of the digital speaker-drive section of a consumer television or compact entertainment enclosure when a compatible digital audio processor is available. According to the Texas Instruments manufacturer datasheet, the stage supports 50 W RMS per channel at 10% THD and 40 W RMS per channel at 0.1% THD. Efficiency above 90% is valuable where internal volume, heat dissipation, and supply capacity are constrained. The design must account for the TV system clock and digital bus, prevent switching noise from entering sensitive circuitry, provide EMI-conscious output-filter layout, and use the exposed pad as an intentional thermal structure rather than leaving it as an unconnected copper area.
Recommended
High-Efficiency Digital Speaker Amplifier
The TAS5110DAP is well suited to a high-efficiency digital speaker amplifier because it combines 50 W RMS per channel at 10% THD with power efficiency above 90%. According to the Texas Instruments manufacturer datasheet, typical THD+N below 0.09% at a 1 kHz input signal supports clean audio reproduction when used within the recommended circuit conditions. The amplifier is intended to operate with a TAS50xx digital audio PWM processor, so digital clock quality and interface integrity influence the complete system. Use a qualified speaker filter, minimize output-node copper, maintain low-impedance power and ground distribution, and validate the exposed-pad thermal design at the highest expected sustained output power.
Recommended
Recommended Products Summary
Engineering reference data for TAS5110DAP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 32-pin HTSSOP with exposed pad |
| Brand | Texas Instruments |
| Product Type | True digital audio amplifier PWM power output stage |
| Channel Configuration | 2-channel stereo |
| Output Power at 10% THD | 50 W RMS per channel |
| Output Power at 0.1% THD | 40 W RMS per channel |
| Total Harmonic Distortion Plus Noise | <0.09% typical at 1 kHz input signal |
| Dynamic Range | 93 dB in a TDAA system |
| Power Efficiency | >90% |
| Technology | Equibitt true digital audio amplification |
Key Differentiators
- High stereo output capability in a dedicated digital power stage (vs Conventional analog Class-D output stages)
- True-digital signal architecture (vs Analog-input Class-D amplifiers)
- High conversion efficiency for compact power modules (vs Linear Class-AB power amplifiers)
Design Notes
Treat the exposed pad as the primary thermal path for both electrical and heat conduction. Place a continuous copper area beneath the package and add thermal vias according to the manufacturer land pattern, while verifying that the pad is connected to the net shown in the datasheet. Estimated: at 50 W RMS per channel, real power is approximately 50 W plus losses per channel; use 100 W total audio output only as the starting point for the 100% duty-case heat budget because music crest factor, efficiency, and ambient temperature change the real dissipation.
Use short, wide power and ground paths between the supply source, TAS5110DAP, and output components. Place input, bypass, and output-filter capacitors close to their associated pins, and keep the exposed-pad via field compact enough to support high-current flow without compromising output routing. The switching output node should have a small loop area and remain separated from clock, data, and analog-audio traces. Follow the exact pin-description and layout examples in the manufacturer datasheet because exposed-pad net assignment is package-specific.
Do not design the TAS5110DAP as a stand-alone analog-input amplifier; it requires a compatible TAS50xx digital audio PWM processor and correct system clocking. Also avoid assuming that the 93 dB dynamic-range figure describes the IC in isolation, because the manufacturer specifies it for a TDAA system. Check speaker impedance, filter topology, supply limits, and thermal rise against the worst-case continuous output rather than using the headline 50 W-per-channel condition without system-level verification.
Keep the PWM output stage physically separated from low-level digital-audio routing and use the recommended output filter to suppress carrier-related interference. Provide local high-frequency decoupling at the power-stage supply pins and minimize the distance between the decoupling capacitor and the IC. Validate radiated and conducted emissions with the complete speaker load and external filter because PCB placement, filter component selection, cable geometry, and enclosure grounding can change EMI performance substantially.
Compliance Information
The device is identified as commercial temperature grade, but no explicit RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 qualification statement was found for the exact ordering code.
