Philips TDA8946J - Manual

TDA8946J
2 x 15 W stereo Bridge Tied Load (BTL) audio amplifier
Rev. 02 — 14 March 2000 Product specification
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1. General description
The TDA8946J is a dual-channel audio power amplifier with an output power of
2
×
15 W at an 8
Ω
load and a 18 V supply. The circuit contains two Bridge Tied Load
(BTL) amplifiers with an all-NPN output stage and standby/mute logic. The TDA8946J
comes in a 17-pin DIL-bent-SIL (DBS) power package. The TDA8946J is
printed-circuit board (PCB) compatible with all other types in the TDA894x family.
One PCB footprint accommodates both the mono and the stereo products.
2. Features
■ Few external components
■ Fixed gain
■ Standby and mute mode
■ No on/off switching plops
■ Low standby current
■ High supply voltage ripple rejection
■ Outputs short-circuit protected to ground, supply and across the load
■ Thermally protected
■ Printed-circuit board compatible.
3. Applications
■ Mains fed applications (e.g. TV sound)
■ PC audio
■ Portable audio.
4. Quick reference data
Table 1: Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
V
CC
supply voltage 6 18 25 V
I
q
quiescent supply current V
CC
= 18 V; R
L
=
∞
- 28 42 mA
I
stb
standby supply current - - 10
µ
A