HA12167FB Datasheet, PDF (5/73 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
64
BIAS
—
DC Voltage Equivalent Circuit
0.28 V
Description
Dolby NR
reference current
input
14
IREF
—
1.2 V
GND
EQ reference
current input
27
MF
26
fQ
25
f/Q
24
GH
23
GL
22
GP
35
BIAS ADJ (N) —
1.2 V
36
BIAS ADJ (M)
37
BIAS ADJ (C)
21
HM
—
—
20
HC
19
HN
18
NM
17
NC
16
NN
EQ parameter
current input
GND
Bias DAC
parameter current
input
EQ parameter
selector
Rev.3, Jun. 1997, page 5 of 73