TDA8944J Datasheet, PDF (12/21 Pages) NXP Semiconductors – 2 x 7 W stereo Bridge Tied Load BTL audio amplifier

Philips Semiconductors
TDA8944J
2 x 7 W stereo BTL audio amplifier
13. Internal circuitry
Table 9: Internal circuitry
Pin
Symbol
6 and 8
IN1+ and IN1−
12 and 9
IN2+ and IN2−
Equivalent circuit
VCC
VCC
1.5 kΩ 1.5 kΩ
VCC
1 and 4
14 and 17
OUT1− and OUT1+
OUT2− and OUT2+
10
MODE
8, 9
45 kΩ
45 kΩ
6, 12
1:1
1/2 VCC
(SVR)
1:1
MGL946
100 Ω
40 Ω
1/2 VCC
VCC
1, 4, 14, 17
MGL947
VCC
11
SVR
VCC
10 kΩ
10 kΩ
1 kΩ
1 kΩ
10
OFF
HIGH
MUTE
HIGH
MGL949
VCC
Standby
20 kΩ
11
20 kΩ
MGL948
9397 750 06861
Product specification
Rev. 02 — 14 February 2000
© Philips Electronics N.V. 2000. All rights reserved.
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