FM50S3X

FM50S3X Datasheet

FM50 Analog Temperature Sensor

Part	Datasheet
FM50S3X	FM50S3X (pdf)

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FM50 Analog Temperature Sensor April 2008 FM50 Analog Temperature Sensor Analog Output 10mV/°C Range -40 to 125°C Range Accuracy ±2°C at 25°C Supply Current 170uA Maximum Output Drive 25uA Self-heating <0.1°C Operating Voltage +2.4V to +6V Mobile Phones Computers Battery Management Office Equipment HVAC Power Supply Modules Disk Drives Automotive As a precision CMOS temperature sensor, the FM50 is cost effective for accurate, low-power, temperaturemonitoring 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 100KΩ 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. FM50 is available in a 3-pin SOT-23 package. Ordering Information Operating Temperature Range FM50S3X -40 to +125°C All packages are lead free per JEDEC J-STD-020B standard. Package 3-Pin SOT-23 Packing Method 3000 Units, Tape and Reel Figure Output Voltage vs. Temperature FM50 Analog Temperature Sensor Pin Configuration Figure Pin Configuration Pin Definitions Pin # 1 2 3 Name VDD VOUT GND Type Power Power Supply. to 6.0V. Analog Output Power Temperature Sensor. Analog output voltage indicating temperature. VOUT = 500+10T °C mV. Ground. 2004 Fairchild Semiconductor Corporation FM50 Analog Temperature Sensor Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Parameter Min. Max. VDD VOUT IOUT TJ TSTG TL Supply Voltage Output Voltage Output Current Operating Temperature Range Storage Temperature Range Lead Soldering Temperature Human Body Model, JESD22-A114 1 Machine Model, JESD22-A115 2 VDD+0.5 +150 +150 +220 2000 Notes Human body model 100pF capacitor discharged through a t 1.5kW resister into each pin. Machine model 200pF capacitor discharged directly into each pin. Unit V µA °C °C °C Electrical Characteristics Limits apply for -40°C TA +125°C and VDD=+5.0V unless otherwise noted. These specifications are guaranteed only for the test conditions listed. Parameter Conditions

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FM50 Analog Temperature Sensor

April 2008

FM50 Analog Temperature Sensor

Analog Output 10mV/°C Range -40 to 125°C Range Accuracy ±2°C at 25°C Supply Current 170uA Maximum Output Drive 25uA Self-heating <0.1°C Operating Voltage +2.4V to +6V

Mobile Phones Computers Battery Management Office Equipment HVAC Power Supply Modules Disk Drives Automotive

As a precision CMOS temperature sensor, the FM50 is cost effective for accurate, low-power, temperaturemonitoring 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 100KΩ 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.

FM50 is available in a 3-pin SOT-23 package.
Ordering Information

Operating Temperature Range

FM50S3X
-40 to +125°C

All packages are lead free per JEDEC J-STD-020B standard.

Package 3-Pin SOT-23

Packing Method 3000 Units, Tape and Reel

Figure Output Voltage vs. Temperature

FM50 Analog Temperature Sensor

Pin Configuration

Figure Pin Configuration

Pin Definitions

Pin # 1 2 3

Name VDD VOUT GND

Type

Power

Power Supply. to 6.0V.

Analog Output Power

Temperature Sensor. Analog output voltage indicating temperature. VOUT = 500+10T °C mV.

Ground.
2004 Fairchild Semiconductor Corporation

FM50 Analog Temperature Sensor

Absolute Maximum Ratings

Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.

Parameter

Min.

Max.

VDD VOUT IOUT

TJ TSTG TL

Supply Voltage Output Voltage Output Current Operating Temperature Range Storage Temperature Range Lead Soldering Temperature Human Body Model, JESD22-A114 1 Machine Model, JESD22-A115 2

VDD+0.5
+150
+150
+220
2000

Notes Human body model 100pF capacitor discharged through a t 1.5kW resister into each pin. Machine model 200pF capacitor discharged directly into each pin.

Unit V µA °C °C °C

Electrical Characteristics

Limits apply for -40°C TA +125°C and VDD=+5.0V unless otherwise noted. These specifications are guaranteed only for the test conditions listed.

Parameter

Conditions

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Datasheet ID: FM50S3X 514875