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MAX4633 - Fault-Protected / High-Voltage / Dual Analog Switches

General Description

The MAX4631/MAX4632/MAX4633 high-voltage, dual analog switches are pin compatible with the industry-standard DG401/DG403/DG405.

They upgrade the existing devices with fault-protected inputs and Rail-to-Rail® signal handling capabilities.

Key Features

  • o Fault Protection ±40V with Power Off ±36V with ±15V Supplies (MAX4631/MAX4633) ±25V with ±15V Supplies (MAX4632) o Rail-to-Rail Signal Handling o No Power-Supply Sequencing Required o All Switches Off with Power Off o Output Clamped to Appropriate Supply Voltage During Fault Condition; No Transition Glitch o 85Ω (max) Signal Paths with ±15V Supplies o ±4.5V to ±18V Dual Supplies +9V to +36V Single Supply o Low Power Consumption:.

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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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19-1515; Rev 0; 7/99 Fault-Protected, High-Voltage, Dual Analog Switches General Description The MAX4631/MAX4632/MAX4633 high-voltage, dual analog switches are pin compatible with the industry-standard DG401/DG403/DG405. They upgrade the existing devices with fault-protected inputs and Rail-to-Rail® signal handling capabilities. The MAX4631/MAX4632/MAX4633’s normally open (NO) and normally closed (NC) terminals are protected from overvoltage faults up to 36V during power-up or power-down. During a fault condition, these terminals become open circuit and only nanoamperes of leakage current flow from the source, yet the switch output (COM_) continues to furnish up to 18mA of the appropriate polarity supply voltage to the load.