NJM2277

NJM2277 www.DataSheet4U.com 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. th The NJM2277 includes 5 -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. th q Quad 5 order Butter worth Low Pass Filter. q High Impedance output for RGB signal. +Vcc GND -VEE 6dB 75Ω 75Ω 75Ω 75Ω 75Ω 75Ω 75Ω S_Comp Out1 6dB Comp_Sin Comp_Vin FB_Sin FB_Vin R_Sin R_Vin G_Sin G_Vin B_Sin B_Vin Switch Control Switch Control S_Comp Out2 Filter 2 to 1 Switch 6dB 6dB TV_Comp Out 2 to 1 Switch FB_Out 2 to 1 Switch Filter 6dB 6dB Red Out 2 to 1 Switch 2 to 1 Switch Filter Green Out Filter 6dB Blue Out A/B Mux High Z Cont -1- www.DataSheet4U.com NJM2277 s Pin Configuration (SDIP28) Fast Blanking Out TV Composite Out Power Supply STB RED In Power Supply VTR RED In GND STB BLUE In Power Supply 1 2 3 FB_out TV_Comp out Vcc1 R_Sin VEE1 R_Vin GND1 S_Comp Out2 28 STB Composite Video Out2 S_Comp Out1 27 STB Composite Video Out1 High Z Cont 26 RGB Output C...