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NJM2277 Datasheet, PDF (1/15 Pages) New Japan Radio – VIDEO SWITCH MATRIX
NJM2277
VIDEO SWITCH MATRIX
sGENERAL DESCRIPTION
s PACKAGE OUTLINE
The NJM2277 is a Video switch for Set Top Box, and TV.
The NJM2277 includes 2 CVBS input, 2-RGB input switches.
Also it allow the inputs to be routed in 3 CVBS output, 1-RGB output.
The NJM2277 includes 5th-order Low pass Filter suppress
the noise interference to video signal.
The NJM2277 enable to control the Output Impedance for RGB outputs.
NJM2277L
NJM2277M
sFEATURES
q Operating Voltage
±5V
q 2- RGB Switches.
q 75Ω Cable Driver on all channels.
q 41dB Stop Band Rejection (@27MHz)
q Bipolar Technology
q Package Outline
SDIP28, SDMP30
sFUNCTION BLOCK DIAGRAM
q 2-Input,3-output CVBS Switches.
q Quad 5th order Butter worth Low Pass Filter.
q High Impedance output for RGB signal.
+Vcc
GND
-VEE
Comp_Sin
Comp_Vin
FB_Sin
FB_Vin
R_Sin
R_Vin
G_Sin
G_Vin
B_Sin
B_Vin
A/B Mux
High Z Cont
Filter
Switch
Control
Switch
Control
2 to 1
Switch
2 to 1
Switch
2 to 1
Switch
2 to 1
Switch
2 to 1
Switch
Filter
Filter
Filter
6dB
75Ω
6dB
75Ω
6dB
75Ω
6dB
75Ω
6dB
75Ω
6dB
75Ω
6dB
75Ω
S_Comp Out1
S_Comp Out2
TV_Comp Out
FB_Out
Red Out
Green Out
Blue Out
-1-