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TAS5162

SLES194C – OCTOBER 2006 – REVISED MAY 2007

2 x 210 Watt STEREO DIGITAL AMPLIFIER POWER STAGE

This system only requires a simple passive LC

demodulation

filter

to

deliver

high-quality,

• 2×160 W at 10% THD+N Into 8-Ω BTL

high-efficiency audio amplification with proven EMI

• 2×210 W at 10% THD+N Into 6-Ω BTL

compliance.

This

device

requires

two

power

supplies, at 12 V for GVDD and VDD, and at 50V for

PVDD. The TAS5162 does not require power-up

• >110 dB SNR (A-Weighted, TAS5518

sequencing due to internal power-on reset. The

Modulator)

efficiency of this digital amplifier is greater than 90%

• <0.09% THD+N at 1 W

into 6

Ω, which enables the use of smaller power

supplies and heatsinks.

• Two Thermally Enhanced Package Options:

–

DKD (36-pin PSOP3)

The TAS5162 has an innovative protection system

integrated on-chip, safeguarding the device against a

–

DDV (44-pin HTSSOP)

wide range of fault conditions that could damage the

• High-Efficiency Power Stage (>90%) With

system.

These

safeguards

are

short-circuit

80-m

Ω Output MOSFETs

protection,

overcurrent

protection,

undervoltage

• Power-On Reset for Protection on Power Up

protection, and overtemperature protection. The

Without Any Power-Supply Sequencing

TAS5162 has a new proprietary current-limiting

circuit that reduces the possibility of device shutdown

• Integrated Self-Protection Circuits Including

during

high-level

music

transients.

A

new

Undervoltage, Overtemperature, Overload,

programmable overcurrent detector allows the use of

Short Circuit

lower-cost inductors in the demodulation output filter.

• Error Reporting

BTL OUTPUT POWER vs SUPPLY VOLTAGE

• EMI Compliant When Used With

Recommended System Design

• Intelligent Gate Drive

• Mid-Z Ramp Compatible for reduced "pop

noise"

• Mini/Micro Audio System

• DVD Receiver

• Home Theater

The TAS5162 is a high performance, integrated

stereo digital amplifier power stage with an improved

protection system. The TAS5162 is capable of

driving a 6-

Ω bridge-tied load (BTL) at up to 210 W

per channel at THD = 10%, low integrated noise at

(1)

The DDV package will deliver the stated maximum power

the output, low THD+N performance without clipping,

levels;

however,

this

is

dependant

on

system

and low idle power dissipation.

configuration. The smaller pad area also makes the

thermal interface to the heatsink more important. For

A low-cost, high-fidelity audio system can be built

multichannel systems that require two channels to be

using a TI chipset, comprising a modulator (e.g.,

driven at full power with the DDV package option, it is

recommended to design the system so that the two

channels are in two separate 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.

PurePath Digital, PowerPad are trademarks of Texas Instruments.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2006–2007, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.