The STTS75 is a high-precision CMOS (digital) temperature sensor IC with a delta-sigma analog-to-digital (ADC) 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 MSOP(TSSOP) and SO8 packages.
The device contains a band gap temperature sensor and programmable 9- to 12-bit ADC which monitor and digitize the temperature to a resolution up to 0.0625 °C. The STTS75 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. At power-up, the STTS75 defaults to 9-bit resolution for software compatibility with the STLM75.
The STTS75 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 (75 μA).
The onboard delta-sigma analog-to-digital converter (ADC) converts the measured temperature to a digital value that is calibrated in °C; for Fahrenheit applications a lookup table or conversion routine is required.
The STTS75 is factory-calibrated and requires no external components to measure temperature.
stts75是一种高精度的CMOS(数字)与Δ∑模数转换器(ADC)温度传感器IC和一个I2C兼容的串行数字接口。这是针对一般的应用,如个人电脑、热管理系统、电子设备、工业控制器,并在包装行业标准的8引脚MSOP(TSSOP)和SO8封装
该器件包含一个带隙温度传感器和可编程的9 - 12位ADC监测和数字化的温度分辨率高达0.0625°C. stts75通常是准确的(±3°C max)在–55°C全温度测量范围为125°C±2°C准确的–25°C + 100°C系列。在上电,该stts75默认为9位与stlm75软件兼容分辨率。
stts75是操作电源电压从2.7 V到5.5 V操作在3.3 V的电源电流通常是指定的,(75μ一)
船上的Δ-∑模数转换器(ADC)转换成数字值,测得的温度是°C校准;为华氏应用查找表或转换程序是必需的。
是的stts75工厂校准,不需要外部元件来测量温度。
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: 75 μA (typ)
No external components required
2-wire I2C/SMBus-compatible serial interface
Selectable serial bus address allows connection of up to eight devices on the same bus
Thermometer resolution is user-configurable from 9 (default) to 12 bits (0.5 °C to 0.0625 °C)
9-bit conversion time is 45 ms (typ)
Programmable temperature threshold and hysteresis set points
Wide power supply range-operating voltage range: 2.7 V to 5.5 V
Power saving one-shot temperature measurement
Power-up defaults permit standalone operation as thermostat
Shutdown mode to minimize power consumption
Separate open drain output pin operates as an interrupt or comparator/thermostat output (dual purpose event pin)
Packages:
SO8
MSOP8 (TSSOP8)
主要特点
测量温度从55°到125°(67°f)
±0.5°C(典型值)的精度
±2°C(最大)精度由- 25°为±100°
低工作电流:75μ一(典型值
无需外部元件
2线I2C和SMBus兼容串行接口
可选的串行总线地址允许多达八个设备在同一总线连接
温度计分辨率为用户配置的9(默认)为12位(0.5摄氏度至0.0625摄氏度)
9位转换时间为45毫秒(典型值)
可编程温度阈值和滞后集点
电源电压范围:2.7伏至5.5伏
节能一杆温度测量
电源默认允许独立运行作为温控器
关机模式,以尽量减少电力消耗
单独的开漏输出引脚作为一个中断或比较器/温控器输出(双目的事件引脚)
包装:
SO8封装
MSOP8(采用TSSOP8)
STTS75电路图
STTS75 引脚图
STTS75 封装图
STTS75 封装图
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