HA12179F Datasheet, PDF (5/40 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.
43
56
Terminal
name
EQ OUT
DC
Zin voltage Equivalent circuit
—
V /2
CC
V_CC
Description
Equalizer output
6
PB OUT
37
30
MS V_REF
26
MA OUT
47
V
REF
52
12
REC OUT
31
4
LINE OUT
39
44
EQ OUT-M —
V_CC/2
55
GND
V_CC
Play back
(Decode) output
Reference
voltage buffer
output
Music sensor
amp. output
Reference
voltage buffer
output
Recording
(Encode) output
Mute circuit
output
Equalizer output
(Metal)
GND
Rev.1, Apr. 1994, page 5 of 40