HA12209F Datasheet, PDF (6/49 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12209F
Pin Description, Equivalent Circuit (V_CC=12V, Ta=25°C, No signal, The value in the
table show typical value.) (cont)
Pin No.
10
Pin Name
PB A/B
Note
I = 20µA
Equivalent Circuit
I
V
22k
Pin Description
Mode control
input
11
A 120/70
12
NORM/HIGH
14
B 120/70
16
BIAS
ON/OFF
17
RM ON/OFF
19
NR ON/OFF
20
REC/PB
21
LM ON/OFF
22, 23
50, 51
V_CC
GND
V = V_CC
V = 0V
2, 7, 9, 13, NC
15, 18, 24,
28, 30, 34,
36, 41, 43,
47, 55
100k
GND
Power supply
GND pin
No connection
Rev.2, Jun. 1999, page 6 of 49