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STLM20-2010 데이터시트

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Description
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 VCC of 2.7 V. The temperature error increases linearly and reaches a maximum of ±2.5 °C at the temperature range extremes. The temperature range is affected by the power supply voltage. For the temperature grade 7 device, a power supply voltage of 2.7 V to 5.5 V, the temperature range extremes are +130 °C and –55 °C (decreasing the power supply voltage from 2.7 V to 2.4 V changes the low end of the operating temperature range from –55 °C to –30 °C, while the positive remains at +130 °C).
The STLM20 has a maximum quiescent supply current of 8 µA. Therefore, self-heating is negligible.

Features
■ Precision analog voltage output temperature sensor
■ ±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
■ 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

 

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