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DG642DJ-E3 Datasheet(PDF) 1 Page - Vishay Siliconix |
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DG642DJ-E3 Datasheet(HTML) 1 Page - Vishay Siliconix |
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1 / 18 page  Vishay Siliconix DG641, DG642, DG643 Document Number: 70058 S11-0154-Rev. F, 31-Jan-11 www.vishay.com 1 Low On-Resistance Wideband/Video Switches FEATURES • Wide bandwidth: 500 MHz • Low crosstalk at 5 MHz: - 85 dB •Low RDS(on): 5 , DG642 • TTL logic compatible • Fast switching: tON 50 ns • Single supply compatibility • High current: 100 mA, DG642 BENEFITS • High precision • Improved frequency response • Low insertion loss • Improved system performance • Reduced board space • Low power consumption APPLICATIONS • RF and video switching • RGB switching • Video routing • Cellular communications •ATE • Radar/FLIR systems • Satellite receivers • Programmable filters DESCRIPTION The DG641, DG642, DG643 are high performance monolithic video switches designed for switching wide bandwidth analog and digital signals. DG641 is a quad SPST, DG642 is a single SPDT, and DG643 is a dual SPDT function. These devices have exceptionally low on-resistances (5 typ-DG642), low capacitance and high current handling capability. To achieve TTL compatibility, low channel capacitances and fast switching times, the DG641, DG642, DG643 are built on the Vishay Siliconix proprietary D/CMOS process. Each switch conducts equally well in both directions when on, and blocks up to 14 Vp-p when off. An epitaxial layer prevents latchup. FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION Logic “0” 0.8 V Logic “1” 2.4 V Logic “0” 0.8 V Logic “1” 2.4 V Logic “0” 0.8 V Logic “1” 2.4 V TRUTH TABLE (DG641) Logic Switch 0 OFF 1ON DG641 IN1 IN2 D1 D2 S1 S2 V- V+ GND GND S4 S3 D4 D3 IN4 IN3 Dual-In-Line and SOIC 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Top View TRUTH TABLE (DG642) Logic SW1 SW2 0 OFF ON 1ON OFF DG642 D2 GND Dual-In-Line and SOIC S2 S1 IN D1 V+ V - 1 2 3 4 8 7 6 5 Top View TRUTH TABLE (DG643) Logic SW1, SW2 SW3, SW4 0 OFF ON 1ON OFF 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Top View IN1 IN2 D1 D2 GND GND S1 S2 V - V+ S4 S3 GND GND D4 D3 Dual-In-Line and SOIC DG643 |
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