ams launches a new integrated digital temperature sensor

ams‘ new AS6200 digital temperature sensor offers a combination of high accuracy, ultra-low power consumption and small size. The sensor comes in a 1.6 mm x 1mm package. Its typical current consumption is 6µA at a measurement rate of 4 samples per second and its accuracy ±0.4°C, max between 0°C to 65°C.

The factory calibrated AS6200 integrates in a single chip the functions required in a temperature sensing system, making it easy for users to design the sensor into their space-constrained or battery-powered products.


AS6200 Block Diagramm

AMS Blockdiagramm

The device consists of a silicon bandgap sensor, an analog-to-digital converter, a digital signal processor and a serial I2C interface. The on-chip DSP handles all linearization and calibration, producing a 12-bit (0.0625°C resolution) binary output.

Despite its high level of integration, the AS6200 draws very little current. Operating from a supply range of 1.8V-3.6V, the AS6200 draws just 1.5µA at a measurement rate of 1 sample. The conversion rate can be set in a range from 0.25Hz to 8Hz. At lower conversion frequencies, power consumption is lower. In stand-by mode, in which all the chip’s functions are turned off except the serial interface, it draws just 0.1µA (typical).

Small and ultra-low power, the AS6200 creates new opportunities for manufacturers of battery-powered, mobile and wearable devices to implement digital temperature sensing into new designs without paying a power or space penalty. Industrial process control solutions, and Internet of Things applications such as cold-chain monitoring are significantly enhanced as space and power savings are realized when using the AS6200.

The sensor’s I2C interface allows for two devices to be connected to one bus. The sensor also has a pin dedicated to an Alert function, which triggers an interrupt at the host microcontroller when the measured temperature crosses a high or low temperature threshold set by the user.


Development Tools

AS6200 Adapterboard

AS6200 Demo


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