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Texas Instruments TAS5110A Data Sheet/Manual

Summary

The TAS5110A is a high-performance, true-digital audio amplifier power stage delivering up to 50W RMS with exceptional efficiency (>90%). This technical guide provides system designers and engineers with comprehensive integration details, functional block diagrams, and application schematics for robust, wide-ranging digital sound solutions. It is specifically designed for building professional-grade audio devices such as home theater receivers, car audio head units, and multimedia appliances requiring advanced, reliable high-fidelity amplification.

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查询TAS5110A供应商

TAS5110A

www.ti.com

SLES079A – APRIL 2003 – REVISED MAY 2003

Pure Path Digital AMPLIFIER

TAS5110A 50-W DIGITAL AMPLIFIER POWER STAGE

FEATURES DESCRIPTION 50 W RMS Power Into 6 Ω at 10% THD

The TAS5110A is a high-performance true-digital audio

40 W RMS Power Into 6 Ω at 0.1% THD amplifier (TDAA) power stage, designed to drive 50 W per THD+N < 0.09% Typical (1-k Hz Input Signal) channel. The TAS5110A incorporates TI’s Equibit and

93-d B Dynamic Range (TDAA System) Pure Path Digital technology and is used in conjunction Power Efficiency > 90% Into 6-Ω and 8-Ω with a digital audio PWM processor (TAS50xx) to deliver Load high-power, true-digital audio amplification. The efficiency of this digital amplifier can be greater than 90%, reducing

Low Profile, SMD 32-Pin Power PAD

the size of both the power supplies and heat sinks needed.

Package

The TAS5110A accepts a mono PWM 3.3-V input and

Self-Protecting Design

controls the switching of an internal CMOS H-bridge.

3.3-V Digital Interface

EMI Compliant When Used With When used with the TAS50xx PWM processor, system Recommended System Design performance of less than 0.09% THD is attainable. Overcurrent protection, overtemperature, and

APPLICATIONS undervoltage protections are built into the TAS5110A, DVD Receiver safeguarding the H-bridge and speakers against output

Home Theater shorts, overvoltage conditions, and other fault conditions that could damage the system.

Mini/Micro Component Systems Internet Music Appliance Car Audio Amplifiers and Head Units

TYPICAL TDAA STEREO AUDIO SYSTEM

TAS5110A

Digital Audio Filter • TAS3001 • DSP TAS50xx • S/PDIF

TAS5110A

Filter

• Volume • EQ

• DRC • Serial Audio Input Port • Bass • Internal PLL • Treble • PWM Processor • Two H-Bridge Power Devices

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Power PAD, Pure Path Digital, and Equibit are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Products Copyright  2003, Texas Instruments Incorporated

conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

Page Summary Contents For Texas Instruments TAS5110A Data Sheet/Manual

Page 1 查询TAS5110A供应商 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 Pure Path Digital AMPLIFIER TAS5110A 50-W DIGITAL AMPLIFIER POWER STAGE FEATURES DESCRIPTION 50 W RMS Power Into 6 Ω at 10% ...
Page 2 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 TERMINAL ASSIGNMENTS The TAS5110A is offered in a thermally enhanced 32-pin TSSOP surface-mount package (DAD). The DAD package has the Powe...
Page 3 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 FUNCTIONAL BLOCK DIAGRAM 1/2 H-Bridge OUTPUTA PWM_AP OUTPUTA RCVR Bootstrap PWM_AM Gate Drive BIAS_A PWDN RESET Control/Sense Band-Gap SHUT...
Page 4 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 SUGGESTED SYSTEM BLOCK DIAGRAMS Digital Audio • USB IEEE 1394 S/PDIF ADC Automotive TAS5110A MOST Filter Network TAS30xx TAS50xx I2C Audio ...
Page 5 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 Terminal Functions TERMINAL NAME DAD I/O DESCRIPTION BIAS_A Connect external resistor to DVSS. BIAS_B Connect external resistor to DVSS. BO...
Page 6 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 FUNCTIONAL DESCRIPTION PWM H-Bridge State Control The digital interface control signals consists of PWM_AP, PWM_AM, PWM_BP, and PWM_BM. The...
Page 7 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 Control/Sense Circuitry The control/sense circuitry consists of the following 3.3-V logic level pins: PWDN, RESET, ERR0, ERR1, and SHUTDOWN...
Page 8 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 DEVICE OPERATION Power Sequences System Power-up/Power-down Sequencing The recommended power-up/power-down sequence is shown in Figure 3. F...
Page 9 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 Fault Indicator Usage The TAS5110A is a self-protecting device that provides device fault reporting, including overtemperature protect, und...
Page 10 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 RECOMMENDED OPERATING CONDITIONS (maximum output power = 50 W (RMS), TJ = 25°C) Thermal Data(1) MIN NOM MAX UNIT TJ(SD) Shutdown junction t...
Page 11 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 ELECTRICAL CHARACTERISTICS Supply, TJ = 25°C (FS = 384 k Hz, OUTPUTA and OUTPUTB not connected, DVDD = 3.3 V, PVDDA1 = 25 V, PVDDB1 = 25 V,...
Page 12 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 JUNCTION TEMPERATURE ON-STATE RESISTANCE Ju ct io em er at re °C r(on) – On-State Resistance – Ω Figure 4. Temperature vs On-State Resistan...
Page 13 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 THERMAL INFORMATION Traditionally, surface mount and power have been mutually exclusive terms. A variety of scaled-down TO-220 type package...
Page 14 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 Thermal Methodology for the 32-Pin DAD Package 50 W, 6-Ω Test The thermal test for the DAD part (e.g., thermal pad oriented away from the b...
Page 15 TAS5110A www.ti.com SLES079A – APRIL 2003 – REVISED MAY 2003 32 DAD Packages 4-40 Machine Screws With (1.6°C/W) Star Washers Plastic Top and Insulating Front and Back Panels Stereo Amplifier Board Wak...
Page 17 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and servic...

Manual Details

Brand Texas Instruments
Pages 17
File Size 173.16 KB
Published June 01, 2026
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Frequently Asked Questions

How much power does the TAS5110A amplifier deliver?

It is a high-performance stage that delivers 50 W RMS power into 6 Ω at 10% THD.

Does the unit include built-in protection against system faults?

Yes, it features overcurrent, overtemperature, and undervoltage protections, as well as guards against output shorts and overvoltage conditions.

What is required to achieve optimal performance with the TAS5110A?

It must be used in conjunction with TI’s TAS50xx digital audio PWM processor for maximum efficiency and high-performance operation.

What form factor is the TAS5110A available in?

The amplifier is offered in a thermally enhanced 32-pin TSSOP surface-mount package (DAD), which includes a PowerPAD on top.