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

General 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.

Key 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 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

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.