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NJR Corporation - 4in-1out Audio Selector

Numéro de référence NJM2754
Description 4in-1out Audio Selector
Fabricant NJR Corporation 
Logo NJR Corporation 





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NJM2754 fiche technique
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NJM2754
4in-1out Audio Selector
with Isolation amplifier
! GENERAL DESCRIPTION
The NJM2754 is 4In-1out stereo audio Selector with ground
noise isolation amplifiers. It contains dual channel differential
amplifier.
It is developed for those car audio applications where long
connections between head unit and other components are
necessary and ground noise has to be eliminated.
! FEATURES
4in-1out Stereo Audio Selector
Operating Voltage
Operating Current
Common mode rejection ratio
Maximum Output Voltage
Supply Voltage Rejection Ratio
Total Harmonic Distortion
Noise Output Voltage
Bipolar Technology
Package Outline
4.3 to 12V
14mA(typ.)
CMRR=60dB typ.
2Vrms min., @ THD=0.1%
60dB typ.
0.003% typ.
1.7µVrms typ.
SSOP20
! PACKAGE OUTLINE
NJM2754V
! BLOCK DIAGRAM
IN1A+
IN1A-
IN1B+
IN1B-
IN2A+
IN2-
IN2B+
Diff
Diff
Diff
Diff
LOGIC
CNT1
CNT2
OUTA
IN3A+
IN3-
IN3B+
IN4A+
IN4-
IN4B+
Diff
Diff
Diff
Diff
OUTB
Ach
V
Bch Vref Vref
GND
Ver.2008-06-23
–1–

PagesPages 9
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