LM61 Texas instruments

LM61

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LM61

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Описание

The LM61 device is a precision, integrated-circuit temperature sensor that can sense a –30°C to 100°C temperature range while operating from a single 2.7-V supply. The output voltage of the LM61 is linearly proportional to temperature (10 mV/°C) and has a DC offset of 600 mV. The offset allows reading negative temperatures without the need for a negative supply. The nominal output voltage of the LM61 ranges from 300 mV to 1600 mV for a –30°C to 100°C temperature range. The LM61 is calibrated to provide accuracies of ±2°C at room temperature and ±3°C over the full –25°C to 85°C temperature range. The linear output of the LM61, 600-mV offset, and factory calibration simplify external circuitry required in a single supply environment where reading negative temperatures is required. Because the quiescent current is less than 125 µA, self-heating is limited to a very low 0.2°C in still air. Shutdown capability for the LM61 is intrinsic because its inherent low power consumption allows it to be powered directly from the output of many logic gates.

Calibrated Linear Scale Factor of 10 mV/°C
Rated for Full Temperature Range (–30° to 100°C)
Suitable for Remote Applications
UL Recognized Component
±2°C or ±3°C Accuracy at 25°C (Maximum)
±3°C Accuracy for –25°C to 85°C (Maximum)
±4°C Accuracy for –30°C to 100°C (Maximum)
10 mV/°C Temperature Slope (Maximum)
2.7-V to 10-V Power Supply Voltage Range
125-µA Current Drain at 25°C (Maximum)
±0.8°C Nonlinearity (Maximum)
800-Ω Output Impedance (Maximum)

Local sensor accuracy (max)	2
Operating temperature range (°C)	-25 to 85, -30 to 100
Supply voltage (min) (V)	2.7
Supply voltage (max) (V)	10
Supply current (max) (µA)	125
Interface type	Analog output
Sensor gain (mV/°C)	10
Rating	Catalog
Features	UL recognized