NJM2772
s
CONTROL TERMINAL EXPLANTION
♦STBY
(1Pin)
CONTROL
PARAMETER
SIGNAL
STANDBY ON
L
IC is standby.
STANDBY OFF
H
IC is active.
♦Center-SW
(3Pin)
PARAMETER
Center Amp. ON
Center Amp. OFF
♦MUTE
(7Pin)
PARAMETER
MUTE ON
MUTE OFF
CONTROL
SIGNAL
H
IC output no signal.
L
IC output the signal.
STATUS
CONTROL
SIGNAL
L
H
STATUS
Center Amp. is active.
Can operate output coupling capacitor less.
When output coupling capacitor is used, realize low current con-
sumption to be Center Amp. OFF.
STATUS
s
APPLICATION CIRCUIT
1) Center Amp. On Mode
STBY OFF
STBY ON
STBY
0.47uF
1
2
+
PA-A
14 DNC
13
16Ω
INA
Center OFF
Center ON
OUTA
V
+
CenterSW
3
4
5
Vref
PA-C
12
0.1uF
47uF
Vref
BEEP
0.47uF
11
OUTC
GND
10
16Ω
INB
MUTE ON
MUTE OFF
6
MUTE
7
+
PA-B
9
0.47uF
OUTB
MuteTC
8
-3-
NJRC [ NEW JAPAN RADIO ]
