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UC3704 - Bridge Transducer Switch

General Description

This integrated circuit contains a complete signal conditioning system to interface low-level variable impedance transducers to a digital system.

A pair of matched, temperature-compensated current sources are provided for balanced transducer excitation followed by a precision, high-gain comparator.

Key Features

  • Dual Matched Current Sources.
  • High-gain Differential Sensing Circuit.
  • Wide Common-mode Input Capability.
  • Complementary Digital Open-collector Outputs.
  • Externally Programmable Time Delay.
  • Optional Output Latch with Reset.
  • Built-in Diagnostic Activation.
  • Wide Supply Voltage Range.
  • High Current Heater Power Source Driver UC3704.

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Datasheet Details

Part number UC3704
Manufacturer Unitrode
File Size 247.29 KB
Description Bridge Transducer Switch
Datasheet download datasheet UC3704 Datasheet

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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UC3704 Bridge Transducer Switch FEATURES • Dual Matched Current Sources • High-gain Differential Sensing Circuit • Wide Common-mode Input Capability • Complementary Digital Open-collector Outputs • Externally Programmable Time Delay • Optional Output Latch with Reset • Built-in Diagnostic Activation • Wide Supply Voltage Range • High Current Heater Power Source Driver UC3704 COMPATIBLE SENSORS SENSOR TYPE Temperature Pressure Thermistor X Sensistor X Thermocouple X Semiconductor X X Photo Voltaic Photo Resistive Strain Gage X Piezoelectric X Magneto Resistive Inductive Hall Effect Capacitive BLOCK DIAGRAM DESCRIPTION This integrated circuit contains a complete signal conditioning system to interface low-level variable impedance transducers to a digital system.