HA12219NT Datasheet, PDF (3/29 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.) (cont)
Pin No. Pin Name
12
PB-NF(R)
Note
PB-IN = Vref
Equivalent Circuit
V_CC
Pin Description
PB-EQ feed back
17
PB-NF(L)
13
PB-EQ(R)
PB-OUT = Vref
PB-IN
PB-OUT
NAB output
16
PB-EQ(L)
21
REC-IN(R)
V = Vref
GND
V_CC
REC-EQ input
22
REC-IN(L)
14
PB-OUT(R)
V = Vref
100 k
Vref 7
V_CC
PB output
15
PB-OUT(L)
18
A 120/70
I = 20 µA
19
A/B
20
B I/II
I
22k
100 k
GND
V_CC
Mode control input
GND
Rev.2, Jul. 1998, page 3 of 29