NJM41050

NJM41050 47µF AC-Coupling Capacitor 3-Input 1-Output Video Driver with LPF s GENERAL DESCRIPTION The 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 47µF AC-Coupling Capacitor which enables to downsize mounting space. s FEATURES q Operating Voltage 4.5 to 9.5V q Small output coupling capacitor 47µF q Operating temperature range -40 to +85 °C* q 3-Input 1-Output Video Switch q 6dB Amplifier, 75Ω Driver Circuit q Internal LPF 0dBtyp.at 6.75MHz -40dBtyp.at 27MHz q Internal MUTE Circuit q Bipolar Technology q Package SSOP14 * NJM41050VT : Wide operating temperature range type (-40 to +105°C) s PIN CONFIGURATION 1 2 3 4 5 6 7 14 13 12 11 10 9 8 s PACKAGE OUTLINE NJM41050V 1. Vin1 2. SW1 3. Vin2 4. SW2 5. Vin3 6. Mute 7. NC 8. Vout 9. GND 10. Vcc 11. SREFV 12. Vsag 13. SSIGV 14. NC s BLOCK DIAGRAM SW1 VIN1 0.1µF VIN2 0.1µF VIN3 0.1µF CLAMP MUTE CLAMP CLAMP SW2 V+ 6dB 75ΩDRV VOUT 47µF 75Ω + VSAG SREFV ASC SSIGV 68kΩ 68kΩ 1µF 0.1µF 75Ω 6.75MHz LPF GND Ver.3.1 -1- NJM41050 s ABSOLUTE MAXIMUM RATINGS (Ta=25°C) SYMBOL PARAMETERS Supply Voltage Power Dissipation V+ PD RATINGS 13.0 500 (Note1) UNIT V mW °C °C Topr -40 to +85(Note2) Operating Temperature Range Tstg -40 to +150 Storage Temperature Range (Note 1) At on a board of EIA/JEDEC specification. (114.3 x 76.2 x 1.6mm 2 layers, FR-4) (Note 2) It has high operating temperature range product.(-40 to +105°C) s RECOMMENDED OPEARATING CONDITION (Ta= 25 °C) PARAMETER Operating Voltage SYMBOL Vopr TEST CONDITION MIN. +4.5 TYP. +5.0 MAX. +9.5 UNIT V sELECTRICAL CHARACTERISTICS (Vcc= 5.0V, RL= 150Ω, Ta= 25°C) PARAMETER Supply Current Supply Current at MUTE Mode Voltage Gain Maximum Output Level Low Pass Filter Characteristic Channel Cross talk Differential Gain Differential Phase SW Sink Current High Level SW Sink Current Low Level SW Voltage High Level SW Voltage Low Level s SWITCH FUNCTION PIN SW1 MODE H L OPEN MODE H L OPEN MODE H L OPEN NOTE IN2 output IN1 output IN1 output NOTE IN3 output IN1 or IN2 output IN1 or IN2 output NOTE ACTIVE MUTE MUTE IN1 select IN2 select IN3 select MUTE SYMBOL ICC Isave Gv Vom Gf6.75M Gf27 M CT DG DP IthH IthL VthH VthL TEST CONDITION No signal MUTE mode Vin=1MHz, 1.0Vp-p sin-signal Vin=100kHz,sin-signal, THD=1%, Vin=6.75MHz/1MHz,1.0Vpp sin-signal Vin=27MHz/1MHz,1.0Vpp sin-signal MIN. 5.5 2.2 -1.0 2.0 0 TYP. 15 1.5 6.0 0 -40 -80 0.5 0.5 - MAX. 22 2.4 6.5 +1.0 -24 UNIT mA mA dB Vp-p dB dB dB Vin=4.43MHz, 1.0Vp-p, Sine-wave Vin=1.0Vp-p 10step video signal Vin=1.0Vp-p 10step video signal V=5V V=0.3V SW1,SW2,MUTE SW1,SW2,MUTE 300 5 V + % deg µA µA V V 1.0 SW1 L(OPEN) H - SW2 L(OPEN) L(OPEN) H - MUTE H H H L(OPEN) PIN SW2 PIN MUTE -2- NJM41050 s TEST CIRCUIT 1 VIN1 NC 14 75Ω 0.1u 2 SW1 SSIGV 13 3 VIN2 VSAG 12 68k 68k 0.1u 1u 75Ω 0.1u 4 SW2 SREFV 11 5 VIN3 VCC 10 75Ω 0.1u 6 0.1u 9 + 47u V+ MUTE GND 7 NC VOUT 8 + 47u 75Ω 75Ω -3- NJM41050 s APPLICATION CIRCUIT 1 1 VIN1 NC 14 75Ω 0.1u 2 SW1 SSIGV 13 3 VIN2 VSAG 12 68k 68k 0.1u 1u 75Ω 0.1u 4 SW2 SREFV 11 5 VIN3 VCC 10 75Ω 0.1u 6 0.1u 9 + 47u V+ MUTE GND 7 NC VOUT 8 + 47u 75Ω -4- NJM41050 s APPLICATION CIRCUIT 2 1 VIN1 NC 14 75Ω 0.1u 2 SW1 SSIGV 13 3 VIN2 VSAG 12 68k 68k 0.1u 1u 75Ω 0.1u 4 SW2 SREFV 11 5 VIN3 VCC 10 75Ω 0.1u 6 0.1u 9 + 47u V+ MUTE GND 7 NC VOUT 8 + 47u + 75Ω 47u 75Ω [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. -5-