NJM41050V

NJM41050 47F AC-Coupling Capacitor 3-Input 1-Output Video Driver with LPF ■FEATURES ●Operating Voltage 4.5 to 9.5V ●Small output coupling capacitor 47µF ●3-Input 1-Output Video Switch ●6dB Amplifier, 75ohm Driver ●Internal LPF 0dBtyp.at 6.75MHz ●Mute Circuit ●Bipolar Technology -40dBtyp.at 27MHz ●Package Outline SSOP14 ■GENERAL DESCRIPTION NJM41050 is a 3-Input 1-Output general-purpose video switch. It includes 6dB amplifier and 75ohm driver circuit. The NJRC original Technology “ASC(Advanced SAG Correction)” realizes 47F AC-Coupling Capacitor which enables to downsize mounting space. ■APPLICATION ●Car Navigation ●AV Receiver ■APPLICATION CIRCUIT 1 VIN1 75Ω 0.1u 2 SW1 3 VIN2 75Ω 0.1u 4 SW2 5 VIN3 75Ω 0.1u 6 MUTE 7 NC NC 14 SSIGV 13 VSAG 12 68k 0.1u 68k 1u SREFV 11 VCC 10 0.1u + 47u V+ GND 9 VOUT 8 + 47u 75Ω ■EQUIVALENT CIRCUIT BLOCK DIAGRAM VIN1 SW1 SW2 V+ 0.1µF VIN2 CLAMP 6.75MHz LPF 0.1µF VIN3 CLAMP 0.1µF CLAMP 6dB 75ΩDRV ASC VOUT 47µF + 75Ω VSAG SREFV 68kΩ 75Ω 1µF SSIGV 68kΩ 0.1µF MUTE GND Ver.8 http://www.njr.com/ -1- ■47F AC-Coupling Capacitor Video Switch Series Input-Output Part No. 8in-2out NJW1341 4in-2out NJW1342 ■PIN CONFIGURATION 1 14 2 13 3 12 4 11 5 10 6 9 7 8 PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SYMBOL VIN1 SW1 VIN2 SW2 VIN3 MUTE N.C. VOUT GND VCC SREFV VSAG SSIGV N.C. DESCRIPTION Video Signal Input Terminal Video Signal Switch Terminal Video Signal Input Terminal ...