HA12179F Datasheet, PDF (6/40 Pages) Hitachi Semiconductor – Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)

HA12179F
Pin Discription (V_CC = 9 V Single supply, Ta = 25°C, No signal, The value in the table
show typical value.) (cont)
Pin No.
21
Terminal
name
MS OUT
DC
Zin voltage Equivalent circuit
—
—
MS V_CC
Description
Music sensor
output to MPU
22
V_CC
—
V_CC
—
23
MS V
CC
20
D GND
—
0.0 V —
27
MS GND
49
GND
50
48
FIN
51
—
V_CC/2
46
RIN
53
45
NFI
54
28
NOI
29
FFI
Rev.1, Apr. 1994, page 6 of 40
D GND
Power supply
Digital (Logic)
ground
Music sensor
ground
Ground
PB-EQ input for
forward
PB-EQ input for
reverse
Negative
feedback
terminal of PB-
EQ amp.
Negative
feedback input
for normal speed
Negative
feedback input
for FF or REW