STMicroelectronics STLM20
Analog temperature sensor, ultra-low current 2.4 V, high precision
The STLM20 is a precision analog output temperature sensor for low current applications where maximizing battery life is important. It operates over a –55 °C to 130 °C (grade 7) or –40 °C to 85 °C (grade 9) temperature range. The power supply operating range is 2.4 V to 5.5 V. The maximum temperature accuracy of the STLM20 is ± 1.5 °C (±0.5 °C typ) at an ambient temperature of 25 °C and VCCof 2.7 V. The temperature error increases linearly and reaches a maximum of ±2.5 °C at the temperature range extremes
Key features
- Precision analog voltage output temperature
- ±1.5 °C maximum temperature accuracy at 25 °C (±0.5 °C typical)
- Ultra-low quiescent supply current:4.8 µA (typ) and 8.0 µA (max)
- Operating voltage range: 2.4 V to 5.5 V
Additional features
- Operating temperature range: -55 °C to 130 °C (grade 7)
- -40 °C to 85 °C (grade 9)
- SOT323-5L 5-lead package
- UDFN-4L 4-lead package
Applications
- Smartphones
- Multimedia PDA devices
- GPS devices
- Portable medical instruments
- Voltage-controlled crystal oscillator temperature monitors
- RF power transistor monitor
Available tools
Temperature probe kit based on STLM20
The STEVAL-MKI199V1K evaluation kit consists of a probe with the STLM20 temperature sensor connected via flat cable to the STEVAL-MKIGIBV1 adapter board, so it can interface with the STEVAL-MKI109V3 motherboard.
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