-37-
IC DESCRIPTION
TDA8946J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MBK932
OUT1-
GND1
VCC1
OUT1+
n.c.
IN1+
n.c.
IN1-
IN2-
MODE
SVR
IN2+
n.c
OUT2+
GND2
VCC2
OUT2-
TDA8949J
2. Block Diagram
2-1 Pinning
2-2 Pin description
Symbol
Pin
Description
OUT1-
1
negative loudspeaker terminal 1
GND1
2
ground channel 1
Vcc
1
3
supply voltage channel 1
OUT1+
4
positive loudspeaker terminal 1
n.c
5
not connected
IN1+
6
positive input 1
n.c
7
not connected
IN1-
8
negative input 1
IN2-
9
negative input 2
MODE
10
mode selection input (standby, mute, operating)
SVR
11
half supply voltage decoupling (ripple rejection)
IN2+
12
positive input 2
n.c
13
not connected
OUT2+
14
positive loudspeaker terminal 2
GND2
15
ground channel 2
Vcc
2
16
supply voltage channel 2
OUT2-
17
negative loudspeaker terminal 2
Summary of Contents for DTC-14D9 series
Page 5: ...4 3 CIRCUIT BLOCK DIAGRAM...
Page 22: ...21 8 Schmetic Diagram...
Page 23: ...22 9 Printed Circuit Board...
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