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DG459 - Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers

Description

The DG458 and DG459 are 8-channel single-ended and 4-channel differential analog multiplexers, respectively, incorporating fault protection.

A series n-p-n MOSFET structure provides device and signal-source protection in the event of power loss or overvoltages.

Features

  • Fault and Overvoltage Protection.
  • All Channels Off When Power Off.
  • Latchup-Proof.
  • Fast Switching - tA: 200 ns.
  • Break-Before-Make Switching.
  • Low On-Resistance: 180 W.
  • Low Power Consumption: 3 mW.
  • TTL and CMOS Compatible Inputs.

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Datasheet preview – DG459

Datasheet Details

Part number DG459
Manufacturer Vishay
File Size 157.13 KB
Description Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers
Datasheet download datasheet DG459 Datasheet
Additional preview pages of the DG459 datasheet.

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Full PDF Text Transcription

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DG458, DG459 Vishay Siliconix Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers DESCRIPTION The DG458 and DG459 are 8-channel single-ended and 4-channel differential analog multiplexers, respectively, incorporating fault protection. A series n-p-n MOSFET structure provides device and signal-source protection in the event of power loss or overvoltages. Under fault conditions the multiplexer input (or output) appears as an open circuit and only a few nanoamperes of leakage current will flow. This protects not only the multiplexer and the circuitry following it, but also protects the sensors or signal sources which drive the multiplexer. The DG458 and DG459 can withstand continuous overvoltage inputs up to ± 35 V. All digital inputs have TTL compatible logic thresholds.
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