LM45

활성

±3°C 아날로그 출력 온도 센서(10mV/°C 게인)

지금 주문

데이터 시트

document-pdfAcrobat LM45 SOT-23 Precision Centigrade Temperature Sensors datasheet (Rev. C) (영어)

LM45

활성

데이터 시트

지금 주문

제품 상세 정보

Local sensor accuracy (max)

2, 3

Operating temperature range (°C)

-20 to 100

Supply voltage (min) (V)

4

Supply voltage (max) (V)

10

Supply current (max) (µA)

120

Interface type

Analog output

Sensor gain (mV/°C)

10

Rating

Catalog

Features

UL recognized

Local sensor accuracy (max)

2, 3

Operating temperature range (°C)

-20 to 100

Supply voltage (min) (V)

4

Supply voltage (max) (V)

10

Supply current (max) (µA)

120

Interface type

Analog output

Sensor gain (mV/°C)

10

Rating

Catalog

Features

UL recognized

SOT-23 (DBZ)

3

6.9204 mm² 2.92 x 2.37

Calibrated Directly in ° Celsius (Centigrade)
Linear + 10.0 mV/°C Scale Factor
±3°C Accuracy Guaranteed
Rated for Full −20° to +100°C Range
Suitable for Remote Applications
Low Cost Due to Wafer-Llevel Trimming
Operates from 4.0V to 10V
Less than 120 μA Current Drain
Low Self-Heating, 0.20°C in Still Air
Nonlinearity Only ±0.8°C Max Over Temp
Low Impedance Output, 20Ω for 1 mA Load

Calibrated Directly in ° Celsius (Centigrade)
Linear + 10.0 mV/°C Scale Factor
±3°C Accuracy Guaranteed
Rated for Full −20° to +100°C Range
Suitable for Remote Applications
Low Cost Due to Wafer-Llevel Trimming
Operates from 4.0V to 10V
Less than 120 μA Current Drain
Low Self-Heating, 0.20°C in Still Air
Nonlinearity Only ±0.8°C Max Over Temp
Low Impedance Output, 20Ω for 1 mA Load

The LM45 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The LM45 does not require any external calibration or trimming to provide accuracies of ±2°C at room temperature and ±3°C over a full −20 to +100°C temperature range. Low cost is assured by trimming and calibration at the wafer level. The LM45's low output impedance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy. It can be used with a single power supply, or with plus and minus supplies. As it draws only 120 μA from its supply, it has very low self-heating, less than 0.2°C in still air. The LM45 is rated to operate over a −20° to +100°C temperature range.

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