LM20 - ±1.5°C 模拟输出温度传感器

LM20是TI德州仪器公司的一款本地温度传感器产品，LM20是±1.5°C 模拟输出温度传感器，本站介绍了LM20的封装应用图解、特点和优点、功能等，并给出了与LM20相关的TI元器件型号供参考。

LM20 - ±1.5°C 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

产品特性

Rated for −55°C to 130°C Range
Available in SC70 and DSBGA Package
Predictable Curvature Error
Suitable for Remote Applications
Accuracy at 30°C ±1.5 to ±4°C (Maximum)
Accuracy at 130°C and −55°C ±2.5 to ±5°C (Maximum)
Power Supply Voltage Range 2.4 V to 5.5 V
Current Drain 10 μA (Maximum)
Nonlinearity ±0.4% (Typical)
Output Impedance 160 Ω (Maximum)
Load Regulation 0 μA < IL< 16 μA −2.5 mV (Maximum)

产品应用

Cellular Phones
Computers
Power Supply Modules
Battery Management
FAX Machines
Printers
HVAC
Disk Drives
Appliances

产品说明

The LM20 is a precision analog output CMOS integrated-circuit temperature sensor that operates over −55°C to 130°C. The power supply operating range is 2.4 V to 5.5 V. The transfer function of LM20 is predominately linear, yet has a slight predictable parabolic curvature. The accuracy of the LM20 when specified to a parabolic transfer function is ±1.5°C at an ambient temperature of 30°C. 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. 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 extreme remains at 130°C.

The LM20 quiescent current is less than 10μA. Therefore, self-heating is less than 0.02°C in still air. Shutdown capability for the LM20 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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM20	SC70 (5)	2.00 mm × 1.25 mm
LM20	DSBGA (4)	0.96 mm × 0.96 mm

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