LM45CIM3X/NOPB

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1. DESCRIPTION

The LM45CIM3X/NOPB series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The LM45CIM3X/NOPB 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 LM45CIM3X/NOPB'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.

2. FEATURES

    1. Calibrated Directly in ° Celsius (Centigrade)

    2. Linear + 10.0 mV/°C Scale Factor

    3. ±3°C Accuracy Guaranteed

    4. Rated for Full −20° to +100°C Range

    5. Suitable for Remote Applications

    6. Low Cost Due to Wafer-Llevel Trimming

    7. Operates from 4.0V to 10V

    8. Less than 120 μA Current Drain

    9. Low Self-Heating, 0.20°C in Still Air

  10. Nonlinearity Only ±0.8°C Max Over Temp

  11. Low Impedance Output, 20Ω for 1 mA Load

3. APPLICATIONS

    1. Battery Management

    2. FAX Machines

    3. Printers

    4. Portable Medical Instruments

    5. HVAC

    6. Power Supply Modules

    7. Disk Drives

    8. Computers

    9. Automotive