LM60 Texas instruments

LM60

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LM60

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Описание

The LM60 device is a precision integrated-circuit temperature sensor that can sense a −40°C to +125°C temperature range while operating from a single 2.7-V supply. The output voltage of the device is linearly proportional to Celsius (Centigrade) temperature (6.25 mV/°C) and has a DC offset of 424 mV. The offset allows reading negative temperatures without the need for a negative supply. The nominal output voltage of the device ranges from 174 mV to 1205 mV for a −40°C to +125°C temperature range. The device is calibrated to provide accuracies of ±2°C at room temperature and ±3°C over the full −25°C to +125°C temperature range. The linear output of the device, 424-mV offset, and factory calibration simplify external circuitry required in a single supply environment where reading negative temperatures is required. Because the quiescent current of the device is less than 110 µA, self-heating is limited to a very low 0.1°C in still air in the SOT-23 package. Shutdown capability for the device 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 6.25 mV/°C
Rated for Full −40°C to +125°C Range
Suitable for Remote Applications
Available in SOT-23 and TO-92 Packages
Key Specifications
- Accuracy at 25°C: ±2°C and ±3°C (Maximum)
- Accuracy for −40°C to +125°C: ±4°C (Maximum)
- Accuracy for −25°C to +125°C: ±3°C (Maximum)
- Temperature Slope: 6.25 mV/°C
- Power-Supply Voltage Range: 2.7 V to 10 V
- Current Drain at 25°C: 110 µA (Maximum)
- Nonlinearity: ±0.8°C (Maximum)
- Output Impedance: 800 Ω (Maximum)

Local sensor accuracy (max)	2
Operating temperature range (°C)	-25 to 125, -40 to 125
Supply voltage (min) (V)	2.7
Supply voltage (max) (V)	10
Supply current (max) (µA)	110
Interface type	Analog output
Sensor gain (mV/°C)	6.25
Rating	Catalog