Rainbow Electronics DS60 User Manual

FEATURES
DS60
Micro-Centigrade Temperature Sensor
www.dalsemi.com
GND
V
DD
3,000 PIECE SOT-23 REEL
PRELIMINARY
PIN ASSIGNMENT
§ Factory calibrated for sensitivity of
+6.25mV/°C and accuracy of ±2.0°C
§ Measurement range of -40°C to +125°C
§ Ultra-low supply current
§ Compact SOT-23 package
§ Wide power supply range (2.7V VDD
DS60R-TRL
V
O
5.5V)
§ Functionally-compatible with LM60
§ Applications include monitoring battery
packs, disk drives, printers, office equipment or any space and power sensitive and temperature sensitive environments.
PIN DESCRIPTION
V
V
O
GND - Ground
- Power Supply Voltage (2.7V to 5.5V)
- Sensor Output
DESCRIPTION
The DS60 Micro-Centigrade Temperature Sensor is a factory-calibrated voltage output Centigrade temperature sensor. The thermometer output has a typical sensitivity of +6.25mV/°C and a DC offset of +424 mV. The measurement range is -40°C to +125°C, corresponding to a typical output range of +174 mV to +1205 mV. Because the output voltage is positive for the entire temperature range, there is no need for a negative power supply. The accuracy of the analog output, taking into account amplifier nonlinearity, gain variations, and temperature sensor variations is ±2.0°C from 0°C to 85°C and within ±3.0°C over the full voltage and temperature range.
The power supply range of the DS60 is 2.7V to 5.5V. Its low current requirement of 125 µA and wide supply range make it ideal in battery-powered applications. To further reduce power dissipation, the DS60 can be switched to a zero power standby state by logic gate outputs capable of sourcing current of this magnitude.
The small size of the SOT-23 package, wide power supply range, and ultra-low power dissipation allow the DS60 to be used in thermal management applications that are currently limited to nonlinear thermistors. These include battery packs, LCD displays, disk drives, power supplies, and appliances.
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DS60
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
Output Current 5.0 mA Operating Temperature -40°C to +125°C Storage Temperature -55°C to +150°C ESD Susceptibility (Human Body Model) 2kV Soldering Temperature (Note 2) 215°C for 60 seconds (Vapor Phase)
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
The Dallas Semiconductor DS60 is built to the highest quality standards and manufactured for long-term reliability. All Dallas Semiconductor devices are made using the same quality materials and manufacturing methods. However, the DS60 is not exposed to environmental stresses, such as burn-in, that some industrial applications require. For specific reliability information on this product, please contact the factory in Dallas at (972) 371–4448.
GND -0.3V to +6.5V
220°C for 15 seconds (IR)
RECOMMENDED DC OPERATING CONDITIONS
(-40°C to +125°C; 2.7V VDD 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Supply Voltage V
2.7 5.5 V 1
DC ELECTRICAL CHARACTERISTICS: Power Supply (Note 3) (-40°C to +125°C; 2.7V VDD 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Supply Current I
80 125 µA
DC ELECTRICAL CHARACTERISTICS: Temperature Sensor and Voltage Output (Note 3)
(-40°C to +125°C; 2.7V VDD 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
-40°CT
Thermometer Error T
ERR
125°C 0°CT
85°C
VO DC Offset T = 0°C 424 mV 1 Sensor Gain
V/T
Nonlinearity ±0.8 °C 5
2.7VV
Power Supply Regulation
3.3V
3.0VV 5.5V
Sensor Drift ±0.25 °C 6 Output Impedance 800
A
A
±3
°C 4
±2
6.0 6.25 6.5 mV/°C
±2.0 mV
±0.25 mV/V
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