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ADT7410:  ±0.5°C ACCURATE, 16-BIT DIGITAL I2C TEMPERATURE SENSOR

The ADT7410 is a high accuracy digital temperature sensor in a narrow SOIC package. It contains a band gap temperature reference and a 13 bit ADC to monitor and digitize the temper-ature to a 0.0625°C resolution. The ADC resolution, by default, is set to 13 bits (0.0625°C). This can be changed to 16 bits (0.0078°C) by setting Bit 7 in the configuration register (Register Address 0x03).

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ADT7410:  ±0.5°C ACCURATE, 16-BIT DIGITAL I2C TEMPERATURE SENSOR

Product Description

The ADT7410 is a high accuracy digital temperature sensor in a narrow SOIC package. It contains a band gap temperature reference and a 13 bit ADC to monitor and digitize the temper-ature to a 0.0625°C resolution. The ADC resolution, by default, is set to 13 bits (0.0625°C). This can be changed to 16 bits (0.0078°C) by setting Bit 7 in the configuration register (Register Address 0x03).

The ADT7410 is guaranteed to operate over supply voltages from 2.7 V to 5.5 V. Operating at 3.3 V, the average supply current is typi-cally 210 μA. The ADT7410 has a shutdown mode that powers down the device and offers a shutdown current of typically 2 μA. The ADT7410 is rated for operation over the −55°C to +150°C temperature range.

Pin A0 and Pin A1 are available for address selection, giving the ADT7410 four possible I2C® addresses. The CT pin is an open-drain output that becomes active when the temperature exceeds a programmable critical temperature limit. The default critical temperature limit is 147°C. The INT pin is also an open-drain output that becomes active when the temperature exceeds a programmable limit. The INT and CT pins can operate in either comparator or interrupt mode.


Applications
  • Medical equipment
  • Isolated sensors
  • Environmental control systems
  • Computer thermal monitoring
  • Thermal protection
  • Industrial process control
  • Power system monitors
  • Hand-held applications

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    EVALUATION BOARDS & DEVELOPMENT KITS

    • 13- or 16-bit user selectable temperature-to-digital converter
    • Temperature accuracy: ±0.5°C from −40°C to +105°C
    • No temperature calibration/correction required by user
    • Power saving 1 sample per second (SPS) mode
    • Fast first conversion on power-up of 6 ms
    • I2C-compatible interface
    • Operating temperature: −55°C to +150°C
    • Operating voltage: 2.7 V to 5.5 V
    • Critical overtemperature indicator
    • Programmable overtemperature/undertemperature interrupt
    • Low power consumption: 700 μW typical at 3.3 V
    • Shutdown mode for lower power: 7 μW typical at 3.3 V
    • Output Type: Digital
    • Sensor Output: I²C ®
    • Temp Res(°C/LSB): 0.0078°C/LSB
    • Supply Voltage Range: +2.7V to +5.5V
    • Temp Range(s): -55 to +150

    Functional Block Diagram for ADT7410

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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.