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DG445BDN Datasheet(PDF) 1 Page - Vishay Siliconix |
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DG445BDN Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 7 page Top View S2 V+ VL S3 IN3 D3 D4 IN4 IN2 D2 D1 IN1 S1 V− GND S4 1 2 3 4 5 6 8 7 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Top View IN1 IN2 D1 D2 S1 S2 V− V+ GND VL S4 S3 D4 D3 IN4 IN3 Dual-In-Line and SOIC DG444B DG444B QFN16 (4x4 mm) DG444B/445B Vishay Siliconix New Product Document Number: 72626 S-32554—Rev. A, 15-Dec-03 www.vishay.com 1 Improved Quad SPST CMOS Analog Switches FEATURES BENEFITS APPLICATIONS D Low On-Resistance: 45 W D Low Power Consumption: 1.0 mW D Fast Switching Action—tON: 120 ns D Low Charge Injection D TTL/CMOS Logic Compatible D Low Signal Errors and Distortion D Reduced Power Supply Consumption D Faster Throughput D Reduced Pedestal Errors D Simple Interfacing D Audio Switching D Data Acquisition D Sample-and-Hold Circuits D Communication Systems D Automatic Test Equipment D Medical Instruments DESCRIPTION The DG444B/445B are monolithic quad analog switches designed to provide high speed, low error switching of analog and audio signals. The DG444B/445B are upgrades to the original DG444/445. Combing low on-resistance (45 Ω, typ.) with high speed (tON 120 ns, typ.), the DG444B/445B are ideally suited for Data Acquisition, Communication Systems, Automatic Test Equipment, or Medical Instrumentation. Charge injection has been minimized on the drain for use in sample-and-hold circuits. The DG444B/445B are built using Vishay Siliconix’s high-voltage silicon-gate process. An epitaxial layer prevents latchup. When on, each switch conducts equally well in both directions and blocks input voltages to the supply levels when off. FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION TRUTH TABLE Logic DG444B DG445B 0 ON OFF 1 OFF ON Logic “0” v 0.8 V Logic “1” w 2.4 V ORDERING INFORMATION Temp Range Package Part Number 16 Pin Plastic DIP DG444BDJ 16-Pin Plastic DIP DG445BDJ 40 to 85_C 16 Pin Narrow SOIC DG444BDY −40 to 85_C 16-Pin Narrow SOIC DG445BDY 16 Pin QFN 4x4 mm DG444BDN 16-Pin QFN 4x4 mm DG445BDN |
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