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ADT7420 Datasheet PDF

Part Series:ADT7420 Series
Category:Temperature Sensors
Description:ANALOG DEVICES ADT7420UCPZ-R2 Temperature Sensor IC, Digital, ± 0.25℃, -20℃, 105℃, LFCSP, 16Pins
Document:ADT7420UCPZ-R2 Datasheet PDF (25 Pages)

ADT7420 Temperature Sensors Datasheet PDF

ADT7420UCPZ-R2 - ADI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
16 Pin
Supply Voltage (DC)
2.70V (min)
Case/Package
LFCSP-16
Supply Current
0.3 mA
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ADT7420UCPZ-R2 - ADI Function Overview

The ADT7420UCPZ-R2 is a high accuracy Digital Temperature Sensor offering breakthrough performance over a wide industrial range, with an internal band gap reference, a temperature sensor and a 16-bit ADC to monitor and digitize the temperature to 0.0078°C resolution. The ADC resolution, by default, is set to 13 bits (0.0625°C). The ADC resolution is user programmable mode that can be changed through the serial interface. The ADT7420 has a shutdown mode that powers down the device and offers a shutdown current of typically 2.0 µA at 3.3 V. Pin A0 and Pin A1 are available for address selection, giving the ADT7420 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 INT pin is also an open-drain output that becomes active when the temperature exceeds a programmable limit. The INT pin and CT pin can operate in comparator and interrupt event modes.
High performance temperature accuracy ±0.20°C from -10 to +85°C at 3V
High performance temperature accuracy ±0.25°C from -20 to +105°C from 2.7 to 3.3V
0.0078°C 16-bit Resolution
0.0073°C Ultra-low temperature drift
NIST traceable or equivalent
Fast first temperature conversion on power-up of 6ms
Easy implementation
No temperature calibration/correction required by user
No linearity correction required
Low power power-saving 1 sample per second (SPS) mode
Low power 700µW typical at 3.3V in normal mode
Low power 7µW typical at 3.3V in shutdown mode
Programmable interrupts critical over-temperature interrupt
Programmable over-temperature/under-temperature interrupt
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