HA12167FB Datasheet, PDF (4/73 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck (Deck 1 Chip)

HA12167FB/HA12169FB
Pin Description (V_CC = 14 V, Ta = 25°C, No signal, The value in the show typical value.)
(Cont)
Pin No. Terminal
(QFP-80) Name
Zin
63
IA OUT
—
DC Voltage Equivalent Circuit
V_CC/2
V_CC
Description
Input amp output
78
61
VREF
80
2
PB OUT
59
4
SS 2
57
8
REC OUT
53
15
EQ OUT
46
1
TP
1.5 kΩ
V /2
CC
60
6
HLS DET —
2.3 V
55
7
LLS DET
54
Rev.3, Jun. 1997, page 4 of 73
GND
+
–
Reference voltage
buffer output
Play back
(Decode) output
Spectal skewing
amp. output
Recording
(Encode) output
Equalizer output
Bias trap terminal
Time constant pin
for rectifier