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The STLM75 is a high-precision digital CMOS temperature sensor IC with a sigma-delta temperature-to-digital converter and an I2C-compatible serial digital interface. It is targeted for general applications such as personal computers, system thermal management, electronics equipment, and industrial controllers, and is packaged in the industry standard 8-lead TSSOP and SO8 packages.
The device contains a band gap temperature sensor and 9-bit ADC which monitor and digitize the temperature to a resolution up to 0.5 °C. The STLM75 is typically accurate to (±3 °C - max) over the full temperature measurement range of –55 °C to 125 °C with ±2 °C accuracy in the –25 °C to +100 °C range. The STLM75 is pin-for-pin and software compatible with the LM75B.
The STLM75 is specified for operating at supply voltages from 2.7 V to 5.5 V. Operating at 3.3 V, the supply current is typically (125 μA).
The on-board sigma-delta analog-to-digital converter (ADC) converts the measured temperature to a digital value that is calibrated in degrees centigrade; for Fahrenheit applications a lookup table or conversion routine is required.
The STLM75 is factory-calibrated and requires no external components to measure temperature.主要特性
- Measures temperatures from –55°C to +125°C (–67°F to +257°F)
- ±0.5°C (typ) accuracy
- ±2°C (max) accuracy from –25°C to +100°C
- Low operating current: 125 μA (typ)
- No external components required
- 2-wire I2C/SMBus-compatible serial interface
- Supports bus time-out feature
- Selectable bus address allows connection of up to eight devices on the bus
- Wide power supply range-operating voltage range: 2.7 V to 5.5 V
- Conversion time is 150 ms (max)
- Programmable temperature threshold and hysteresis set points
- Pin- and software-compatible with LM75 (drop-in replacement)
- Power-up defaults permit standalone operation as a thermostat
- Shutdown mode to minimize power consumption
- Output pin (open drain) can be configured for interrupt or comparator/thermostat mode (dual purpose event pin)
- Packages:
- SO8
- MSOP8 (TSSOP8)
- Measures temperatures from –55°C to +125°C (–67°F to +257°F)
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Connecting low-power SUB 1GHZ RF transceiver to the Cloud with fully customisable sensors, ARM® 32-bit Cortex®-M4 CPU and coin battery.
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图片 产品型号 制造商 描述 
STEVAL-MKI204V1K ST Temperature probe kit based on STLM75 产品型号Temperature probe kit based on STLM75
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支持和应用
| 产品型号 | 供货状态 | 封装 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|
| STLM75DS2F | 批量生产 | MSOP/TSSOP 8 | Ecopack2 | |
| STLM75M2F | 批量生产 | SO-8 | Ecopack1 |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持 。
