NJM41050 47µ µF AC-Coupling Capacitor 3-Input 1-Output Video Driver with LPF ■ 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. ■ PACKAGE OUTLINE NJM41050V ■ FEATURES ● Operating Voltage 4.5 to 9.5V ● Small output coupling capacitor 47µF ● Operating temperature range -40 to +85 °C* ● 3-Input 1-Output Video Switch ● 6dB Amplifier, 75Ω Driver Circuit ● Internal LPF 0dBtyp.at 6.75MHz -40dBtyp.at 27MHz ● Internal MUTE Circuit ● Bipolar Technology ● Package SSOP14 * NJM41050VT : Wide operating temperature range type (-40 to +105°C) ■ PIN CONFIGURATION 1 14 2 13 3 12 4 11 5 10 6 9 7 8 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 ■ BLOCK DIAGRAM SW1 SW2 V+ VIN1 0.1µF CLAMP 6.75MHz LPF VIN2 0.1µF 6dB 75ΩDRV 75Ω VOUT 47µF + VSAG CLAMP VIN3 0.1µF ASC CLAMP MUTE Ver.3.1 75Ω SREFV 68kΩ 1µF SSIGV 68kΩ 0.1µF GND -1- NJM41050 ■ ABSOLUTE MAXIMUM RATINGS (Ta=25°C) SYMBOL PARAMETERS RATINGS UNIT Supply Voltage V+ 13.0 V Power Dissipation PD 500 (Note1) mW 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) °C °C ■ RECOMMENDED OPEARATING CONDITION (Ta= 25 °C) PARAMETER SYMBOL MIN. TYP. MAX. UNIT +4.5 +5.0 +9.5 V MIN. TYP. MAX. UNIT - 15 1.5 22 2.4 mA mA Vin=1MHz, 1.0Vp-p sin-signal 5.5 6.0 6.5 dB Vom Vin=100kHz,sin-signal, THD=1%, 2.2 - - Vp-p Gf6.75M Vin=6.75MHz/1MHz,1.0Vpp sin-signal -1.0 0 +1.0 dB Vin=27MHz/1MHz,1.0Vpp sin-signal - -40 -24 dB Operating Voltage TEST CONDITION Vopr ■ELECTRICAL CHARACTERISTICS (Vcc= 5.0V, RL= 150Ω, Ta= 25°C) PARAMETER SYMBOL Supply Current Supply Current at MUTE Mode ICC Isave Voltage Gain Gv Maximum Output Level Low Pass Filter Characteristic Gf27 M TEST CONDITION No signal MUTE mode Channel Cross talk CT Vin=4.43MHz, 1.0Vp-p, Sine-wave - -80 dB Differential Gain DG Vin=1.0Vp-p 10step video signal - 0.5 - % Differential Phase DP Vin=1.0Vp-p 10step video signal - 0.5 - deg SW Sink Current High Level IthH V=5V - - 300 µA SW Sink Current Low Level IthL V=0.3V - - 5 µA + SW Voltage High Level VthH SW1,SW2,MUTE 2.0 - V V SW Voltage Low Level VthL SW1,SW2,MUTE 0 - 1.0 V ■ SWITCH FUNCTION PIN MODE NOTE SW1 H L OPEN PIN MODE NOTE SW2 H L OPEN IN3 output IN1 or IN2 output IN1 or IN2 output PIN MODE NOTE MUTE H L OPEN IN2 output IN1 output IN1 output IN1 select IN2 select IN3 select MUTE SW1 L(OPEN) H - SW2 L(OPEN) L(OPEN) H - MUTE H H H L(OPEN) ACTIVE MUTE MUTE -2- NJM41050 ■ TEST CIRCUIT 75Ω 75Ω 75Ω 1 VIN1 NC 14 2 SW1 SSIGV 13 3 VIN2 VSAG 12 0.1u 0.1u 4 SW2 SREFV 11 5 VIN3 VCC 10 MUTE 7 NC 0.1u 68k 1u 0.1u 0.1u 6 68k GND 9 VOUT 8 + 47u V+ + 47u 75Ω 75Ω -3- NJM41050 ■ APPLICATION CIRCUIT 1 75Ω 75Ω 75Ω 1 VIN1 NC 14 2 SW1 SSIGV 13 3 VIN2 VSAG 12 0.1u 0.1u 4 SW2 SREFV 11 5 VIN3 VCC 10 MUTE 7 NC 0.1u 68k 1u 0.1u 0.1u 6 68k GND 9 VOUT 8 + 47u V+ + 47u 75Ω -4- NJM41050 ■ APPLICATION CIRCUIT 2 75Ω 75Ω 75Ω 1 VIN1 NC 14 2 SW1 SSIGV 13 3 VIN2 VSAG 12 0.1u 0.1u 4 SW2 SREFV 11 5 VIN3 VCC 10 MUTE 7 NC 0.1u 68k 1u 0.1u 0.1u 6 68k GND 9 VOUT 8 + 47u V+ + 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-