Ver.3
NJW1321
WIDE BAND VIDEO SWITCH WITH I
2
C BUS
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■ GENERAL DESCRIPTION ■
■■
■ PACKAGE OUTLINE
The NJW1321 is a Wide Band Video Switch with I
2
C BUS.
The NJW1321 includes switch of 4-input 2-output and 6dB
amplifier. It is suitable for RGB or Y, Pb, and Pr signal because
frequency range is 100MHz.
The NJW1321 includes external logic control terminals and
external logic discernment terminals.
The NJW1321 is suitable for PTV, DTV, PDP and other high quality
AV systems.
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■■
■ FEATURES
● Operating Voltage +9.0V
● I
2
C BUS Interface
● 4-input 2-output 3-Circuits
● Wide frequency range 0dB at 100MHz typ.
-3dB at 300MHz typ.
● Internal 6dB amplifier (Selectable Bypass or 6dB)
● External logic discernment terminal
● External logic control terminal
● Selectable slave address
● Power Save Circuit
● Bi-CMOS Technology
● Package Outline QFP48
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■■
■ BLOCK DIAGRAM
NJW1321FP1
6dB
6dB
6dB
6dB
6dB
6dB
I
2
C BUS
Y/R IN1
Y/R IN2
Y/R IN3
Y/R IN4
Pb/G IN1
Pb/G IN2
Pb/G IN3
Pb/G IN4
Pr/B IN1
Pr/B IN2
Pr/B IN3
Pr/B IN4
Y/R OUT1
Y/R OUT2
Pb/G OUT1
Pb/G OUT2
Pr/B OUT1
Pr/B OUT2
ADDRESS
SDA
SCL
V+
GND
AUX 0
AUX 1
AUX 2
AUX 3
PORT 0
PORT 1
PORT 2
PORT 3
VREF
BIAS
DGND
AVR1600 harman/kardon
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