NXP Semiconductors TDA8932B User Manual

Tda8932b, General description, Features

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General description

The TDA8932B is a high efficiency class-D amplifier with low power dissipation.

The continuous time output power is 2


15 W in stereo half-bridge application (R


= 4


or 1


30 W in mono full-bridge application (R


= 8

). Due to the low power dissipation

the device can be used without any external heat sink when playing music. Due to the
implementation of thermal foldback, even for high supply voltages and/or lower load
impedances, the device continues to operate with considerable music output power
without the need for an external heat sink.

The device has two full-differential inputs driving two independent outputs. It can be used
in a mono full-bridge configuration (BTL) or in a stereo half-bridge configuration (SE).



Operating voltage from 10 V to 36 V asymmetrical or


5 V to


18 V symmetrical

Mono-bridged tied load (full-bridge) or stereo single-ended (half-bridge) application

Application without heat sink using thermally enhanced small outline package

High efficiency and low-power dissipation

Thermally protected and thermal foldback

Current limiting to avoid audio holes

Full short-circuit proof across load and to supply lines (using advanced current

Switchable internal or external oscillator (master-slave setting)

No pop noise

Full-differential inputs



Flat panel television sets

Flat panel monitor sets

Multimedia systems

Wireless speakers

Mini and micro systems

Home sound sets


Class-D audio amplifier

Rev. 04 — 18 December 2008

Product data sheet