SA58631 Datasheet, PDF(1/21 Page) NXP Semiconductors

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SA58631 Datasheet, PDF (1/21 Pages) NXP Semiconductors – 3 W BTL audio amplifier

SA58631

3 W BTL audio ampliï¬er

Rev. 02 â 12 October 2007

Product data sheet

1. General description

The SA58631 is a one channel audio ampliï¬er in an HVSON8 package. It provides power

output of 3 W with an 8 â¦ load at 9 V supply. The internal circuit is comprised of a BTL

(Bridge Tied Load) ampliï¬er with a complementary PNP-NPN output stage and

standby/mute logic. The SA58631 is housed in an 8-pin HVSON package which has an

exposed die attach paddle enabling reduced thermal resistance and increased power

dissipation.

2. Features

I Low junction-to-ambient thermal resistance using exposed die attach paddle

I Gain can be ï¬xed with external resistors from 6 dB to 30 dB

I Standby mode controlled by CMOS-compatible levels

I Low standby current < 10 ÂµA

I No switch-on/switch-off plops

I High power supply ripple rejection: 50 dB minimum

I ElectroStatic Discharge (ESD) protection

I Output short circuit to ground protection

I Thermal shutdown protection

3. Applications

I Professional and amateur mobile radio

I Portable consumer products: toys and games

I Personal computer remote speakers

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