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AS621x Temperature Sensors

High accurate digital temperature sensors (AS6212, AS6214 & AS6218)

Features

  • Ultra low power consumption
  • High temperature accuracy
  • Small integration size (WLCSP)
  • Complete sensor system with serial bus connection
  • Alert functionality for exact temperature control

Benefits

  • Long battery life and low self heating
  • “Easy to Use” solution, i.e. no calibration or linearization needed
  • Minimal board space and fast reaction time
  • 3 different versions (AS6212, AS6214 & AS6218) to optimally meet the accuracy requirements
  • 3 different versions (AS6212, AS6214 & AS6218) with different temperature accuracies in order to perfectly match customer requirements.

Product parameters

Interface I²C
Supply Voltage [V] 1.71 to 3.6
Consumption [µA] 6 @ 4 samples/s
Dimension [mm] 1.5 x 1
Ambient Temp. Range [°C] -40 to 125
Accuracy ±0.2°C (-10°C to 65°C, AS6212)
Conversion Time [ms] 32

General Description

The AS621x family is a complete digital sensor system, designed for the needs of various markets. It features 8 I²C addresses to serve complex design needs. This is especially useful in the prototyping phase of a product where several heat sensitive areas might need monitoring but without needing to reserve additional systems application processor resources. It is a fully calibrated and linearized sensor system that is easy to integrate in any digital system. The family has 3 members (AS6212, AS6214 & AS6218) with different temperature accuracies to give customers the best option for their needs. The highest performing AS6212 has an accuracy of +/- 0.2°C from -10°C to 65 °C. It provides a resolution of 16 bit over the wide temperature range from -40°C to 125°C. The integrated alarm functionality enables micro-controller wake-up calls on defined temperature thresholds. An internal voltage regulator allows stable accuracy independent of the supply voltage between 1.71V to 3.6V. For powersensitive applications, the device can enter a low-power wait mode with 0.1μA current consumption.

This product suits for the following applications:

  • Laptops and Convertibles
  • Wearables
  • Industrial Automation
  • Mobile Health
  • Solid State Disks

Tools

Title Category Headline Buy
AS621x Demo Kit Application Board Digital Temperature Sensor Demo Kit for AS621x
AS621x Eval Kit Application Board Digital Temperature Sensor Eval Kit for AS621x

Resources

Type Description Language
Software Linux reference driver English
Software Arduino Sample Code English

Technical Documents

Type Description Language
Datasheet AS621x Temperature Sensors (AS6212, AS6214, AS6218) English
Application Note Thermal Design Guideline for Wearables English
Application Note Thermal design guideline for PCB reference design English
Product Brief Brief overview AS621x English

Other Information

Type Description Language
Block Diagram AS621x Block Diagram English
Factsheet Digital Temperature Sensor Solutions English

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