Part Name
ADT7312
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MFG CO.
Analog Devices
ADT7312 Datasheet - Analog Devices
Analog Devices
GENERAL DESCRIPTION
The ADT7312 is a ±1°C accurate digital temperature sensor that operates over a very wide temperature range of −55°C to +175°C and is available in die form only. It contains an internal band gap reference, a temperature sensor, and a 16-bit analogto-digital converter (ADC) to monitor and digitize the temperature to a resolution of 0.0078°C. The default ADC resolution is 13 bits (0.0625°C). The ADC resolution can be changed to 16 bits (0.0078°C) using the serial interface.
FEATURES
Qualified for automotive applications
High performance
Temperature accuracy:
±1°C from −55°C to +175°C (2.7 V to 3.3 V)
16-bit temperature resolution: 0.0078°C
Fast first temperature conversion on power-up of 6 ms
Easy implementation
No temperature calibration or correction required
No linearity correction required
Low power
Power-saving 1 sample per second (SPS) mode
880 μW typical at 3.6 V in normal mode
9 μW typical at 3.6 V in shutdown mode
Wide operating ranges
Temperature range: −55°C to +175°C
Voltage range: 2.7 V to 5.5 V
Programmable interrupts
Critical overtemperature interrupt
Overtemperature/undertemperature interrupt
SPI-compatible interface
Available in die form only
APPLICATIONS
Automotive
High temperature monitoring
High temperature thermal protection
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