HA12219NT Datasheet, PDF (2/29 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck

HA12219NT
Pin Description, Equivalent Circuit (V_CC = 12 V, Vref = 5.6 V, Ta = 25°C, No signal,
The value in the table show typical value.)
Pin No.
1
2
Pin Name
V
CC
REC-OUT(L)
Note
V=V
CC
V = Vref
Equivalent Circuit
Pin Description
V pin
CC
V_CC
REC-EQ output
3
REC-OUT(R)
4
REC-RETURN V = Vref
V’ = Vref
GND
V_CC REC return
I
V
5 pin, 6 pin
4 V,
5
PB-IN B(L)
6
PB-IN B(R)
7
VREF
V = Vref
V’ = V / 2
CC
8
PB-IN A(L)
V = Vref
I
GND
PB B deck input
V_CC
Reference
10 k
V
10 k
V_CC
V,
GND
PB A deck input
9
PB-IN A(R)
PB-NF
Rev.2, Jul. 1998, page 2 of 29