BA7725S データシートの表示（PDF） - ROHM Semiconductor
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BA7725S Datasheet PDF : 8 Pages
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Multimedia ICs
•Block diagram
BA7725S
LINE OUT 1
22 MIC AMP IN
LINE IN 2 +
21 MIC AMP OUT
N.C. 3
+
ECHO LEV CTRL 4
20 N.C.
19 VCC
GND 5
+ 18 RIPPLE FILTER
LOOP GAIN CTRL 6
17 CMP DET
EXP DET 7
16 CMP DET CT
EXP DET CT 8
15 CMP OUT
EXP BF OUT 9
14 CMP BF IN
EXP BF IN 10
13 CMP BF OUT
DLY BF OUT 11
BF
12 DLY BF IN
BA7725S / BA7725FS
BA7725FS
LINE OUT 1
20 MIC AMP IN
LINE IN 2 +
19 MIC AMP OUT
ECHO LEV CTRL 3
+
GND 4
18 VCC
+ 17 RIPPLE FILTER
LOOP GAIN CTRL 5
16 CMP DET
EXP DET 6
15 CMP DET CT
EXP DET CT 7
14 CMP OUT
EXP BF OUT 8
13 CMP BF IN
EXP BF IN 9
12 CMP BF OUT
DLY BF OUT 10
BF
11 DLY BF IN
2
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