BA7757 Rohm, BA7757 Datasheet - Page 4

• Manufacturer Part Number: BA7757
• Description: Switchless REC / PB amplifier for standard audio signal processing
• Manufacturer: Rohm

•
4
Video ICs
Measurement circuit
(PB) IN
ON
G
(REC)
LINE
LINE
vope
OUT
V
PB
IN
CC
&
330k
5.6k
12k
+
+
220
33
1
56k
5.6k
56k
5.6k
0.01
100
33
1
1
470p
+
25
31
32
26
27
28
29
30
6.2k
4.7
33
V
reg
PB IN
24
1
+
+
62k
PB
+
23
2
NP
22
INPUT
BIAS
CTRL
120k
SW
N.C.
22
3
BIAS
INPUT
OUT
1
SW
21
4
+
10k
R
P
Fig. 1
1M
ALC OFF
INPUT SW
+
ON
+
20
5
0.47
LINE
1k
47
IN
LINE
FADE OUT
/ FADE IN
39.2dB
CTRL
ALC
+
19
6
0.47
1k
22k
MIC
IN
18
7
220p
– 24.4dB
10k
MUTE
CTRL
17
8
REC
BF
16
15
14
13
12
11
10
9
4.7
51k
A
10
1
10k
Units
R:
C: F
2.7k
BA7757BK
10k
100
EP / SP
CTRL
ON
G
EE / REC
CTRL
REC
OUT
EE / PB
CTRL
V
ON
R
VOREC
CC
L
LINE
OUT
100