HA12203NT Datasheet, PDF (4/97 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12203NT/HA12204NT
Pin No. Terminal Name Note
8
PBOUT (R)
V = GND
Equivalent Circuit
V
Pin Description
V_{CC PB output}
35
PBOUT (L)
9
RECOUT (R)
V = GND
34
RECOUT (L)
11
EQOUT (R)
V = GND
32
EQOUT (L)
28
MAOUT
V = GND
3
ABO (R)
V = GND
V
15k 12k
V_EE
REC output
Equalizer output
MS Amp output
V_{CC Time constant pin}
for PB equalizer
40
ABO (L)
23
BIAS (M)
V = GND
V = V_CC –
0.7V
V_EE
V_CC
REC bias current
output
24
BIAS (C)
25
BIAS (N)
22
V
CC
42
GND
1
V_EE
5, 7, 18, NC
23, 30,
31, 36
V=V
CC
V = 0V
V = V_EE
No
connection
only
HA12204
V
Power supply
GND pin
Negative power
supply
No connection
Rev.3, Jun. 1999, page 4 of 97