Si705x Digital Temperature Sensors with I2C Interface

Si705x digital temperature sensors offer industry-leading, low-power consumption and high accuracy across the entire operating voltage and temperature range. These monolithic CMOS ICs feature a band-gap temperature sensor element, an analog-to-digital converter with up to 14-bit resolution, signal processing, calibration data and an I2C interface. Patented use of novel signal processing and analog design enables the sensors to maintain their accuracy over a wide temperature and voltage range, while consuming little current.

Si705x sensors are fully factory-calibrated and available in a 3 x 3 mm DFN package. 行业标准 I2C 的工作频率可达 400 kHz。Requiring just 195nA of average current when sampled once per second, Si705x sensors can operate for several years with just a single coin cell battery. 

温度范围
-40 至 +125 °C
最高精度
±0.1 °C

Si705x温度传感器一般规格

  • 高精度温度传感器
    • Si7051:± 0.1 ºC (max) 3 x 3 mm
    • Si7053:± 0.3 ºC (max) 3 x 3 mm
    • Si7054:± 0.4 ºC (max) 3 x 3 mm
    • Si7055:± 0.5 ºC (max) 3 x 3 mm
    • Si7050:± 1.0 ºC (max) 3 x 3 mm
    • Si7057:± 0.35 ºC (max) 2 x 2 mm
    • Si7058:± 0.5 ºC (max) 2 x 2 mm
    • Si7059:±1.0 ºC (max) 2 x 2 mm
  • Wide operating voltage (1.62 to 1.98 V or 1.9 to 3.6 V)
  • –40 至 +125 ºC 工作温度范围
  • 可在整个工作温度和电压范围内保持精确度
  • 低功耗
    • 1 Hz 的样本速率平均需要 195 nA 的电流
  • 14 位的分辨率
  • 工厂校准
  • I2C 接口
  • 2x2 QFN or 3 x 3 mm DFN package
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零件号 温度精度(典型值)(°C) 温度精度最大值 (°C) 温度范围 (ºC) 封装类型 封装尺寸 (mm) 描述
±0.5 ±1.0 -40 125 DFN6 3x3 ± 1.0 ºC 最高精度、 general purpose digital I2C temperature sensors in 3 x 3 mm
±0.1 ±0.1 -40 125 DFN6 3x3 ± 0.1 ºC 最高精度、 human body calibrated digital I2C temperature sensors in 3 x 3 mm
±0.2 ±0.3 -40 125 DFN6 3x3 ± 0.3 ºC 最高精度、 general purpose digital I2C temperature sensors in 3 x 3 mm
±0.3 ±0.4 -40 125 DFN6 3x3 ± 0.4 ºC 最高精度、 general purpose digital I2C temperature sensors in 3 x 3 mm
±0.4 ±0.5 -40 125 DFN6 3x3 ± 0.5 ºC 最高精度、 general purpose digital I2C temperature sensors in 3 x 3 mm
±0.2 ±0.35 -40 125 QFN6 2x2 ± 0.35 ºC maximum accuracy 1.8 V supply digital I2C temperature sensors in 2 x 2 mm
±0.25 ±0.5 -40 125 QFN6 2x2 ± 0.5 ºC maximum accuracy 1.8 V supply digital I2C temperature sensors in 2 x 2 mm
±0.5 ±1.0 -40 125 QFN6 2x2 ± 1.0 ºC maximum accuracy 1.8 V supply digital I2C temperature sensors in 2 x 2 mm

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