NJM2754 Datasheet, PDF (1/9 Pages) New Japan Radio – 4in-1out Audio Selector with Isolation amplifier

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-
Diff
IN1B+
IN1B-
Diff
IN2A+
Diff
IN2-
IN2B+
Diff
LOGIC
CNT1
CNT2
OUTA
IN3A+
Diff
IN3-
IN3B+
Diff
IN4A+
Diff
IN4-
IN4B+
Diff
OUTB
Ach
V＋
Bch
Vref
Vref
GND
Ver.2008-06-23
–1–