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ADT7422 Temp Sensor Datasheet.pdf

ADT7422.pdf

Preview of ADT7422 Temp Sensor Datasheet

🔗 Source: analog.com

📊 Size: 411 KB

👤 Author: Analog Devices, Inc.

⬇️ Downloads: 28

Summary

The ADT7422 is a high-accuracy, digital I2C temperature sensor designed for Vital Signs Monitoring (VSM) applications. Key features include:

- Accuracy: Meets ASTM E1112 clinical thermometry specification, with ±0.1°C accuracy from 25°C to 50°C, and ±0.25°C accuracy across −20°C to +105°C.
- Resolution: 16-bit, providing 0.0078°C resolution.
- Temperature Drift: Ultralow temperature drift of 0.0073°C.
- Speed: Fast first temperature conversion at power-up, taking only 6 ms.
- Power: Low power consumption, with typical supply currents of 140 µW in 1 SPS mode and 6 µW in shutdown mode.
- Interface: I2C-compatible interface with four possible addresses.
- Interrupts: Programmable interrupts for critical overtemperature, overtemperature, and undertemperature events.
- Package: 16-lead, 4 mm × 4 mm, RoHS compliant LFCSP.
- Operating Range: −40°C to +125°C.
- No Calibration Required: No temperature calibration or correction is needed after soldering onto the final PCB.
- Applications: VSM, medical equipment, RTD and thermistor replacement, food transportation, environmental monitoring, and HVAC.

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Description

±0.1°C accuracy from 25°C to 50°C at 3.0 V, ±0.25°C from −20°C to +105°C at 2.7 V to 3.3 V.

Technical Information

File Format: PDF
File Size: 411 KB
Pages: 23
Language: EN
Author: Analog Devices, Inc.
Total Downloads: 28
Last Updated: 12 hours ago

Document Overview

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