bh7272kv ROHM Co. Ltd., bh7272kv Datasheet - Page 8

• Manufacturer Part Number: bh7272kv
• Description: Two-channel Amplifier Digital Vcrs
• Manufacturer: ROHM Co. Ltd.

8
Video ICs
The pin voltages in brackets are for REC mode, all others are for PB mode.
Pin No.
10
11
12
13
14
15
16
9
REC FB – A
REC FB + A
BIAS FILTER
BTL A I0adj
HEAD – A
HEAD + A
Pin name
V
V
REC
CC
CC
5V
3V
Pin voltage
(2.5)
(2.5)
(2.5)
(2.5)
(3.4)
(2.5)
2.5
2.5
2.5
2.5
2.5
2.5
—
—
Equivalent internal circuit
12
9
13
15
25k
25k
5k
5k
12.8k
12.8k
2.5k
—
—
20
20
20
20
10
11
400
REC DC feedback
HEAD A
HEAD A
REC DC feedback
HEAD A recording current adjustment
V
Bias filter for head connection pins
(pins 2, 3, 10, and 11)
V
CC
CC
for REC current amplifier
for logic circuits
Function
BH7272KV