SA58631 데이터 시트보기 (PDF) - Philips Electronics

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SA58631

3 W BTL audio amplifier

Philips Electronics 

SA58631

3 W BTL audio amplifier

Rev. 01 — 1 December 2005

Preliminary data sheet

1. General description

The SA58631 is a one channel audio amplifier in a HVSON8 package. It provides power

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

(Bridge Tied Load) amplifier 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

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

■ Gain can be fixed with external resistors from 6 dB to 30 dB

■ Standby mode controlled by CMOS compatible levels

■ Low standby current <10 µA

■ No switch-on/switch-off plops

■ High power supply ripple rejection 50 dB minimum

■ ElectroStatic Discharge (ESD) protection

■ Output short circuit to ground protection

■ Thermal shutdown protection

3. Applications

■ Professional and amateur mobile radio

■ Portable consumer products: toys and games

■ Personal computer remote speakers

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