Philips Semiconductors TDA8944J
2 x 7 W stereo BTL audio amplifier
Product specification Rev. 02 — 14 February 2000 12 of 21
9397 750 06861 © Philips Electronics N.V. 2000. All rights reserved.

13. Internal circuitry

Table 9: Internal circuitry

Pin Symbol Equivalent circuit

6 and 8 IN1+ and IN1

12 and 9 IN2+ and IN2

1 and 4 OUT1and OUT1+

14 and 17 OUT2and OUT2+

10 MODE

11 SVR

1.5 k1.5 k
45 k45 k
VCC
VCC
VCC
MGL946
1 : 1 1 : 1
1/2 VCC
(SVR)
8, 9 6, 12
40
100
MGL947
1, 4, 14, 17
1/2 VCC
1 k
10 k
10 k
OFF
HIGH MUTE
HIGH
1 k
VCC
VCC
VCC
MGL949
10
Standby
20 k
20 k
VCC
MGL948
11