ADT7320 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADT7320
Manufacturer

ADI
ChipWorker Part#

CW983463796
Description

±0.25℃ Accurate, 16Bit Digital SPI Temperature Sensor
Documentation

Datasheet

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ADT7320 Specifications

Attribute	Attribute Value

Part Number	ADT7320
Manufacturer	ADI
ChipWorker Part#	CW983463796
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
> The ADT7320 is a high accuracy digital temperature sensor that offers breakthrough performance over a wide industrial temperature range, housed in a 4 mm × 4 mm LFCSP package. It contains an internal band gap reference, a temperature sensor, and a 16-bit analog-to-digital converter (ADC) to monitor and digitize the temperature to a resolution of 0.0078°C. The ADC resolution, by default, is set to 13 bits (0.0625°C). The ADC resolution is a user programmable mode that can be changed through the serial interface.
The ADT7320 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 typically 210 μA. The ADT7320 has a shutdown mode that powers down the device and offers a shutdown current of typically 2.0 μA at 3.3 V. The ADT7320 is rated for operation over the −40°C to +150°C temperature range.
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 either comparator or interrupt mode.
**Product Highlights**
1. Ease of use, no calibration or correction required by the user.
2. Low power consumption.
3. Excellent long term stability and reliability.
4. High accuracy for industrial, instrumentation, and medical applications.
5. Packaged in a 16-lead RoHS-compliant, 4 mm x 4 mm LFCSP package.
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**Applications**
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>RTD and thermistor replacement
>Thermocouple cold junction compensation
>Medical equipment
>Industrial controls and test
>Food transportation and storage
>Environmental monitoring and HVAC
>Laser diode temperature controls
>
### Features and Benefits
High Performance
Temperature accuracy
±0.20°C from −10°C to +85°C
±0.25°C from −20°C to +105°C
at 3.3 V
16-bit resolution: 0.0078°C
Ultralow temperature drift: 0.0073°C
Easy Implementation
No temperature calibration/correction required by user
No linearity correction required
Low Power
Power saving 1 sample per second (SPS) mode
700 μW typical at 3.3 V in normal mode
7 μW typical at 3.3 V in shutdown mode
Wide operating ranges
Operating temperature from −40°C to +150°C
Voltage range: 2.7 V to 5.5 V
Programmable interrupts
Critical overtemperature indicator
Overtemperature/undertemperature interrupt
SPI-compatible interface
16-lead, RoHS-compliant, 4 mm × 4 mm LFCSP package
See data sheet for additional features

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