HA12209F Datasheet, PDF (4/49 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. Pin Name Note
Equivalent Circuit
3
PBOUT (R) V = V / 2
CC
Pin Description
V_CC
PB output
V
40
PBOUT (L)
5
RECOUT (R)
38
RECOUT (L)
8
EQOUT (R)
35
EQOUT (L)
32
MAOUT
53
ABO (R)
V = V_CC / 2
V
15k 12k
46
ABO (L)
25
BIAS (C)
V = V_CC –
0.7
GND
V_CC
REC output
Equalizer output
MS amp. input *¹
Time constant
pin for PB
equalizer
GND
V_CC
REC bias current
output
V
26
BIAS (N)
Note: 1. MS : Music Sensor
Rev.2, Jun. 1999, page 4 of 49