TDA8944AJ
2 x 7 W BTL audio amplifier with DC gain control
Rev.
01 — 01 March 2002
M3D541
Product data
1.
General description
The TDA8944AJ is a dual-channel audio power amplifier with DC gain control.
It has an output power of 2 × 7 W at an 8 Ω load and a 12 V supply.
The circuit contains two Bridge-Tied Load (BTL) amplifiers with an all-
NPN output stage and standby/mute logic.
The overall gain can be adjusted from +30 dB down to −50 dB using a DC control voltage.
This feature can be used for volume control or a preset gain.
The TDA8944AJ comes in a 17-pin DIL-bent-SIL (DBS) power package and is pin compatible with the TDA8944J.
2.
Features
s Gain/volume adjustment via a DC control pin s...