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UX-L46V/UX-L36V
TDA7294 (IC940, IC941) : Audio amp.
1. Pin layout
2. Block diagram
IN+
IN-
BIPOLAR
TRANSCONDUCTANCE
INPUT STAGE
BA15218 (IC611) : OP amp.
OUT1
1
-IN1
2
-
1
+IN1
3
+
V
4
EE
1-34
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BOOTSTRAP
MOS GHAIN &
MOS CUTPUT STAGE
LEVEL SHIFTING
STAGE
8
V
CC
7
OUT2
-
6
-IN2
2
+
5
+IN2
-Us (POWER)
OUT
+Us (POWER)
N.C.
N.C.
MUTE
STAND-BY
-Us (SIGNAL)
+Us (SIGNAL)
BOOTSTRAP
N.C.
SUR
NON INUERTING INPUT
INVERTING INPUT
STAND-BY GND
SHORT CIRCUIT
PROTECTION
+Vs
BOOTSTRAP
OUTPUT
-Vs
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