HA12134A, HA12135A, HA12136A
Pin Description
(Ta = 25°C, V
CC
= 12 V, No signal, The value in the table show typical
value.)
Pin No. Symbol
1, 16
REC IN
R (in)
56 kΩ
VDC
6.0 V
Equivalent circuit
V
CC
Description
Recording (encode) input
56k
V
CC
/2
GND
2
3, 14
V
CC
PB IN
—
12.0 V
V
CC
Power supply
Playback (decode) input
100 kΩ 6.0 V
100k
V
CC
/2
GND
4
5
V
REF
—
6.0 V
—
V
CC
Reference voltage
Mode control pin for NR
ON/OFF
“H”→NR ON
“L”→NR OFF
NR ON/OFF —
1k
3 V
BE
4 V
BE
100k
GND
6, 11
PB OUT
—
6.0 V
V
CC
Playback (decode) output
100
100
GND
6