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TMP01FJ データシート

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GENERAL DESCRIPTION
The TMP01 is a temperature sensor that generates a voltage output proportional to absolute temperature and a control signal from one of two outputs when the device is either above or below a specific temperature range. Both the high/low temperature trip points and hysteresis (overshoot) band are determined by user-selected external resistors. For high volume production, these resistors are available on board.
The TMP01 consists of a band gap voltage reference combined with a pair of matched comparators. The reference provides both a constant 2.5 V output and a voltage proportional to absolute temperature (VPTAT) which has a precise temperature coefficient of 5 mV/K and is 1.49 V (nominal) at 25°C. The comparators compare VPTAT with the externally set temperature trip points and generate an open-collector output signal when one of their respective thresholds has been exceeded.

FEATURES
  −55°C to +125°C (−67°F to +257°F) operation
  ±1.0°C accuracy over temperature (typ)
  Temperature-proportional voltage output
  User-programmable temperature trip points
  User-programmable hysteresis
  20 mA open-collector trip point outputs
  TTL/CMOS compatible
  Single-supply operation (4.5 V to 13.2 V)
  PDIP, SOIC, and TO-99 packages

APPLICATIONS
  Over/under temperature sensor and alarm
  Board-level temperature sensing
  Temperature controllers
  Electronic thermostats
  Thermal protection
  HVAC systems
  Industrial process control
  Remote sensors

 

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