HA12167FB Datasheet, PDF (6/73 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
68
CONT
Zin
3.3 kΩ
DC Voltage Equivalent Circuit
V_CC/2 – 1.5 V
to V_CC/2
V_CC /2
Description
DAC output
volume control
input
73
13
EQ CONT 1.65 kΩ
48
10
LM DET
—
0.2 V
DAC
OUT
LM
OUT
Time constant pin
for level meter
51
11
LM OUT
—
0.2 V
50
45
NR ON/OFF 100 kΩ —
44
C/B
43
MPX
LM DET
GND
Level meter output
Mode control time
constant
GND
Rev.3, Jun. 1997, page 6 of 73