Details
Features
- High temperature accuracy
- Ultra-low power consumption
- Small integration size (WLCSP)
- Complete sensor system with serial bus connection
- Alert functionality for exact temperature control
Benefits
- Enables high accurate skin temperature measurements
- 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
Parameters
Accuracy (±)
max.
0.09
°C
Supply voltage
1.8
V
3.3
V
min.
1.72
V
max.
3.6
V
Current consumption active
6
µA
Current consumption standby
0.1
µA
Package
WLCSP
Conversion time
36
ms
Operating ambient temperature
min.
-40
°C
max.
125
°C
Function
Temperature sensing
Package dimension
l
1.5
mm
w
1
mm
h
0.6
mm
Ordering codes
Downloads
Related boards, kits & accessories
ams USB-I-P-BOX_EVM_AC Evaluation accessory
The USB Interface & Programmer Box is an universal evaluation tool for magnetic position sensors with I2C or SPI interface. It comes with a 10-way cable to connect to a supported product on an existing board. The I2C or SPI wires are used for the communication (3.3V mode) and additionally the sensor can be powered from the USB I&P Box. By using the USB I&P Box Software, it is possible to read out the sensor data, write a configuration and to permanently program a configuration.
Hardware and Software requirements: PC with Windows 7 or later and a USB-A port
ams AS6221_EVM_SN Evaluation kit
The AS6221 Eval Kit is a simple PCB to enable an easy evaluation of the ams temperature sensor. The board features an AS6221 digital temperature sensor, a decoupling capacitor and pull-up resistors. The included jumpers are an easy way of setting the eight I²C addresses of the sensor. A 5x1 pin header with a 2.54mm pitch offers all necessary interfaces to connect the adapterboard to your application processor.
ams AS6221_DEM_MO Demonstrator kit
The AS6221 demo kit offers an easy-to-use exploration of the ams digital temperature sensor.It can be connected to your mobile device using a wireless interface. By downloading the companion app from the App Store or Google Play Store it is possible to modify all settings of the sensor and observe the impact on power consumption and conversion rate. Up to three demos could be paired at the same time to help you find the optimal settings for your needs. It even enables you to record a temperature sequence to compare it with different settings of the temperature sensor. Finally, the app does provide the key information about the product and helps to understand the principals of the alert mode.
The demo kit consists of an AS6221 temperature button and a CR2023 coin cell. By pulling the flap, the demo is enabled and ready to be paired with the app.Download the latest app here
ams AS6221_WL_EVM_EB Evaluation kit
The AS6221 Flex PCB Evaluation Kit enables easy integration of the digital temperature sensor AS6221 into any kind of application. Its very compact and flexible design offers maximum freedom. The very low thermal mass of the sensor + flex PCB carrier board allows fast reaction times on temperature changes.
The kit also contains the I&P Box to connect the sensor board to a laptop or PC. With the software provided, temperature readout and sensor configuration are possible.
Related Products
ams AS6200 Temperature Sensor
The AS6200 is a complete digital sensor system. It offers a unique combination of ultra-low power consumption, small form factor and high accuracy. The AS6200 provides a fully calibrated and linearized sensor system that can easily be accessed via an I²C interface. It provides a resolution of 12-bit over the full temperature range of -40°C to 125°C. The integrated alarm functionality enables micro controller wake-up calls on defined temperature thresholds. An internal voltage regulator enables stable accuracy independent of the supply voltage between 1.8 to 3.6V. For power sensitive applications, the device can enter a low-power wait state with 0.1μA current consumption.
ams AS6200C Temperature Sensor
The AS6200C is a complete digital sensor system designed to fulfill the challenges of cold chain applications in storage and transportation. It is very well suited for data loggers complying with EN12830:1999 class 1 standard as well as enriching the performance of domestic and commercial refrigerators. The AS6200C provides a fully calibrated and linearized sensor system that can easily be accessed via an I²C interface. It provides a resolution of 12-bit with its highest accuracy of ±0.2°C from +20°C to -10°C. The integrated alarm functionality enables micro controller wake up calls on defined temperature thresholds. An internal voltage regulator enables stable accuracy independent of the supply voltage between 1.8 to 3.6V. For power sensitive applications, the device can enter a low-power wait state with 0.1μA current consumption.
ams AS6204 Temperature Sensor
The AS6204 is a complete digital sensor system, designed for the needs of high-performance consumer electronics. It is based on the well-proven AS6200 design, but with additional 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. The AS6204 is a fully calibrated and linearized sensor system that is easy to integrate in any digital system. It provides a resolution of 12 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 1.8V to 3.6V. For powersensitive applications, the device can enter a low-power wait mode with 0.1μA current consumption.
ams AS621x Temperature Sensors
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.The AS6212, AS6214 and AS6218 production test setup is calibrated according NIST and the verification equipment is calibrated by an ISO/IEC-17025 accredited laboratory.
ams AS6221T Temperature sensor
The AS6221T is a high accurate digital temperature sensor with an accuracy of up to ±0.09°C, which is ideal for healthcare applications, wearables and devices requiring high-performance thermal information. The AS6221T, is a complete digital sensor system and requires no calibration or linearization. It provides measurement outputs via a standard I²C interface. The sensor supports eight I²C addresses avoiding bus conflicts in multi-sensor use cases. The ultra-small size of the sensor (WLCSP 1.5 mm x 1.0 mm) enables accurate body/skin temperature measurements in very small health and lifestyle monitoring products. In addition to the high accuracy and the small form factor, the AS6221T offers a very low power consumption, for example measuring with 4 samples/s, the current consumption is only 6 µA. The sensor has 4 different automatic acquisition modes and keeps the high accuracy over the full supply range from 1.71 to 3.6 V. An integrated alert functionality triggers an interrupt to the micro controller when a temperature threshold is exceeded. The temperature threshold for the alert function can be adjusted in a device register.
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