LM19 - 采用 TO-92 封装的模拟输出温度传感器

LM19是TI德州仪器公司的一款本地温度传感器产品，LM19是采用 TO-92 封装的模拟输出温度传感器，本站介绍了LM19的封装应用图解、特点和优点、功能等，并给出了与LM19相关的TI元器件型号供参考。

LM19 - 采用 TO-92 封装的模拟输出温度传感器 - 本地温度传感器 - 温度传感器和控制IC - 德州仪器

产品描述

The LM19 is a precision analog output CMOS integrated-circuit temperature sensor that operates over a −55°C to +130°C temperature range. The power supply operating range is +2.4 V to +5.5 V. The transfer function of LM19 is predominately linear, yet has a slight predictable parabolic curvature. The accuracy of the LM19 when specified to a parabolic transfer function is ±2.5°C at an ambient temperature of +30°C. The temperature error increases linearly and reaches a maximum of ±3.8°C at the temperature range extremes. The temperature range is affected by the power supply voltage. At 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 to 2.4 V changes the negative extreme to −30°C, while the positive remains at +130°C.

The LM19's quiescent current is less than 10μA. Therefore, self-heating is less than 0.02°C in still air. Shutdown capability for the LM19 is intrinsic because its inherent low power consumption allows it to be powered directly from the output of many logic gates or does not necessitate shutdown at all.

产品特性

Rated for Full −55°C to +130°C Range
Available in a TO-92 Package
Predictable Curvature Error
Suitable for Remote Applications
UL Recognized Component

Key Specifications

Accuracy at +30°C ±2.5 °C (max)
Accuracy at +130°C & −55°C ±3.5 to ±3.8 °C (max)
Power Supply Voltage Range +2.4V to +5.5V
Current Drain 10 μA (max)
Nonlinearity ±0.4 % (typ)
Output Impedance 160 Ω (max)
Load Regulation
- 0µA < IL< +16 µA

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