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| NJW1241 Datasheet, PDF (1/8 Pages) New Japan Radio – 3-Chanels Differential Output Line Amplifier | |||
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NJW1241
3-Chanels Differential Output Line Amplifier
 GENERAL DESCRIPTION
The NJW1241 is a differential output 3-channel audio line
amplifier for High Voltage Pre-out of Car AV system. It can
swing 5Vrms(14.1V peak-to peak) singal at 8V opearating
voltage /single-end output because of including the charge
pump circuit.
Ground-referenced outputs eliminate output coupling
capacitor. The pop noise suppression circuit reduces a pop
noise at the power-on and power-off.
PACKAGE OUTLINE
 FEATURES
l Operating Voltage
6.0V to +10V
l Operating Current
IDD=12mA typ.
at V+=8V, RL=47kâ¦, No Signal
l Maximum Output Voltage
5.0Vrms min. @single-end output
l Low Distortion
0.004% typ
l Output Coupling Capacitor-less
l External Synchronizing
Divide-by-2
l Pop Noise Suppression Circuit
l External Mute
l Gain Select
+6dB/+8dB
l RF Immunity OpAmp tolerant to FR noise. (ex. mobile phone)
l Bi-CMOS Technology
l Package Outline
SSOP32
NJW1241V
 BLOCK DIAGRAM
V+
IN1
OUT1A
V-
Mute Tr
Mute Tr
OUT1B
V+
IN2
OUT2A
V-
Mute Tr
Mute Tr
OUT2B
V+
IN3
OUT3A
V-
Mute Tr
Gain
Select
Charge
Pump
Mute Tr
Pop Noise
Suppression
V-
V+ Detector
OUT3B
Ver. 0.4E
â1â
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