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BA7781 データシートの表示(PDF) - ROHM Semiconductor

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BA7781 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Video ICs
Application example
UNITS
RESISTOR:
CAPACITOR: F
EXT IN
L ch
INT IN
INT IN
R ch
EXT IN
GND
B'
A' 15k
0.1µ
0.1µ
24
25 EXT
+ 26 INT
10µ
27
0.1µ
28
23 22
13dB
29
0.1µ
30
+
10µ
0.1µ
31
INT
32 EXT
1
13dB
23
2200p
10k 10.5k 0.022µ 100k
0.1µ
0.022µ
21 20 19 18 17
24k
15dB
16
+
15
2.2µ
+
1M
+– MIX
10dB
+
45
EXT
14
BIAS 13
VCC
12
EXT
11
10
9
15dB
678
+
10µ
2200p
220k
100k 150k 0.01µ
100k
0.01µ
24k
0.1µ
0.1µ
0.022µ
10k 10.5k 0.022µ 100k 2200p
BA7781K
L OUT
VCC
MIC-MONO
R OUT
A
B 15k
Additional components INT / EXT monitoring
INT / EXT
100k
12
+
1µ
L OPEN
1) When using the matrix circuit connect A-A' and B-B'.
2) The pin 10 and 12 low-pass filter components are for fc = 150Hz, Gain = 0dB, 18dB / oct.
Fig. 2
5

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