TDA8944J
2 x 7 W stereo BTL audio amplifier
Philips Semiconductors
13. Internal circuitry
Table 9: Internal circuitry
Pin
Symbol
Equivalent circuit
6 and 8
12 and 9
IN1+ and IN1−
IN2+ and IN2−
V
CC
V
V
CC
CC
1.5 kΩ
45 kΩ
1.5 kΩ
45 kΩ
8, 9
6, 12
1/2 V
CC
(SVR)
1 : 1
1 : 1
MGL946
1 and 4
OUT1− and OUT1+
OUT2− and OUT2+
14 and 17
100 Ω
1, 4, 14, 17
40 Ω
1/2 V
CC
MGL947
10
MODE
V
CC
V
CC
1 kΩ
1 kΩ
10 kΩ
V
CC
10 kΩ
10
OFF
HIGH
MUTE
HIGH
MGL949
11
SVR
V
CC
Standby
20 kΩ
20 kΩ
11
MGL948
9397 750 06861
© Philips Electronics N.V. 2000. All rights reserved.
Product specification
Rev. 02 — 14 February 2000
12 of 21
NXP [ NXP ]
