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DG509B Datasheet(PDF) 1 Page - Vishay Siliconix |
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DG509B Datasheet(HTML) 1 Page - Vishay Siliconix |
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1 / 18 page  Vishay Siliconix DG508B, DG509B Document Number: 64821 S10-2817-Rev. D, 20-Dec-10 www.vishay.com 1 Precision 8-Channel/Dual 4-Channel CMOS Analog Multiplexers FEATURES • Operate with single or dual power supply • V+ to V- analog signal swing range • 44 V power supply maximum rating • Extended operate temperature range: - 40 °C to + 125 °C • Low leakage typically < 3 pA • Low charge injection - QINJ = 2 pC • Low power - ISUPPLY: 10 µA • TTL compatible logic • > 250 mA latch up current per JESD78 • Available in SOIC16, TSSOP16, PDIP, and miniQFN16 packages • Superior alternative to: - ADG508A, DG508A, HI-508 - ADG509A, DG509A, HI-509 • Compliant to RoHS Directive 2002/95/EC • Halogen-free according to IEC 61249-2-21 definition BENEFITS • Reduced switching errors • Reduced glitching • Improved data throughput • Reduced power consumption • Increased ruggedness • Wide supply ranges (± 5 V to ± 20 V) APPLICATIONS • Data acquisition systems • Audio and video signal routing • ATE systems • Medical instrumentation DESCRIPTION The DG508B is an 8-channel single-ended analog multiplexer designed to connect one of eight inputs to a common output as determined by a 3-bit binary address (A0, A1, A2). The DG509B is a dual 4-channel differential analog multiplexer designed to connect one of four differential inputs to a common dual output as determined by its 2-bit binary address (A0, A1). Break-before-make switching action protects against momentary crosstalk between adjacent channels. An on channel conducts current equally well in both directions. In the off state each channel blocks voltages up to the power supply rails. An enable (EN) function allows the user to reset the multiplexer/demultiplexer to all switches off for stacking several devices. All control inputs, addresses (Ax) and enable (EN) are TTL compatible over the full specified operating temperature range. The DG508B and DG509B are fabricated on an enhanced SG-II CMOS process that achieves improved performance on: reduced charge injection, lower device leakage, and minimized parasitic capacitance. As the DG508, DG509 has a long history in the industry with many suppliers offering copies - and in some cases improved variations - with the best in class improvements, the Vishay Siliconix new version of the DG508B, DG509B are the superior alternatives to what is currently available. Applications for the DG508B, DG509B include high speed and high precision data acquisition, audio signal switching and routing, ATE systems, and avionics. High performance and low power dissipation make them ideal for battery operated and remote instrumentation applications. The DG508B and DG509B have the absolute maximum voltage rating extended to 44 V. Additionally, single supply operation is also allowed. An epitaxial layer prevents latch-up. The DG508B and DG509B are both available in 16-lead SOIC, TSSOP, PDIP, and miniQFN (1.8 mm x 2.6 mm) package options with extended temperature range of - 40 °C to + 125 °C. For more information, refer to Vishay Siliconix DG508B, DG509B evaluation board note. FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION S3 A0 S6 D S4 A1 S8 S7 EN Dual-In-Line SOIC and TSSOP A2 V- GND S1 V+ S2 S5 Decoders/Drivers 1 2 3 4 5 6 7 16 15 14 13 12 11 10 Top View 89 DG508B Dual-In-Line SOIC and TSSOP 9 A0 Da A1 Db EN GND V- V+ S1a S1b S2a S2b S3a S3b S4a S4b Decoders/Drivers 1 2 3 4 5 6 7 16 15 14 13 12 11 10 Top View 8 DG509B |
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