Datasheet ADT75 (Analog Devices) - 3

Data Sheet ADT75 GENERAL DESCRIPTION
The ADT75 is a complete temperature monitoring system in The ADT75 offers a shutdown mode that powers down the 8-lead MSOP and SOIC packages. It contains a band gap device, and this mode gives a shutdown current of typically 3 µA. temperature sensor and a 12-bit analog-to-digital converter The ADT75 is rated for operation over the −55°C to +125°C (ADC) to monitor and digitize the temperature to a resolution temperature range. of 0.0625°C. The ADT75 is pin and register compatible with the LM75 and AD7416. The A0, A1, and A2 pins are available for address selection. The OS/ALERT pin is an open-drain output that becomes active when The ADT75 is guaranteed to operate at supply voltages from temperature exceeds a programmable limit. The OS/ALERT pin 2.7 V to 5.5 V. Operating at 3.3 V, the average supply current is can operate in either comparator or interrupt mode. typical y 200 µA. Rev. B | Page 3 of 24 Document Outline Features Applications Product Highlights Functional Block Diagram Table of Contents Revision History General Description Specifications A Grade B Grade Timing Specifications and Diagram Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Circuit Information Converter Details Functional Description Temperature Data Format Temperature Conversion Formulas One-Shot Mode Fault Queue Registers Address Pointer Register Temperature Value Register Configuration Register THYST Setpoint Register TOS Setpoint Register Serial Interface Serial Bus Address Writing Data Writing to the Address Pointer Register for a Subsequent Read Writing Data to a Register Reading Data OS/Alert Output OverTemperature Modes Comparator Mode Interrupt Mode SMBus Alert Applications Information Thermal Response Time Self-Heating Effects Supply Decoupling Temperature Monitoring Outline Dimensions Ordering Guide