FM50
Analog Temperature Sensor
Features
• Analog output: 10 mV/°C
• Range: -40 to 125°C range:
• Accuracy: ±1°C at 25°C
• Supply Current, 170 µA max.
• Output Drive, 25 µA
• Self-heating < 0.1°C
• Operating Voltage: +2.4V to +6V
Applications
• Mobile Phones
• Computers
• Battery Management
• Of?ce Equipment
•HVAC
• Power Supply Modules
• Disk Drives
• Automotive
Description
As a precision CMOS temperature sensor, the FM50 is cost-effective for accurate low-power temperature monitor-ing applications.  Output voltage versus temperature is extremely linear.  With no load, the supply current is typically 130µA.  For normal operation, the load on VOUT
should be 100K? or less. 
In a typical application, a remotely mounted FM50 is monitored by a microcontroller with an analog A/D converter input.  Alternatively, the FM50 can drive a comparator with a high impedance input.  Accuracy is typically ± 0.5°C at room temperature; and better than ±2°C from 0 to 75°C. Package is a 3-pin SOT-23