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DS60 Analog Temperature Sensor
www.maxim-ic.com
FEATURES
Factory Calibrated for +6.25mV/C Sensitivity with 424mV DC Offset at 0C 2.0C Accuracy Over 0C to +85C Range Measurement Range of -40C to +125C Ultra-Low Supply Current (125A max) Tiny SOT-23-3 and 0.51mm x 1.27mm FlipChip Packages Wide Power Supply Range (+2.7V VDD +5.5V) Functionally-Compatible with LM60 Applications Include Monitoring Battery Packs, Disk Drives, Printers, or any Space- or Power-Constrained Thermally Sensitive Systems.
DS60 Output Voltage Characteristic 1400 VO (mV) 1000 600 200 -40 -20 0 20 40 60 80 100 120 Temperature (C)
PIN ASSIGNMENT
GND GND
DS60
VDD VO VO
VDD
SOT-23-3 (DS60R)
(TOP VIEW)
Flip-Chip (DS60X)
Package mechanical drawings can be found at: http://www.maxim-ic.com/TechSupport/DallasPackInfo.htm
PIN DESCRIPTION
VDD VO GND - Power Supply Voltage - Sensor Output - Ground
ORDERING INFORMATION
Ordering Number DS60R/T&R DS60X/T&R Description SOT-23-3: 3,000 piece Tape & Reel Flip Chip: 10,000 piece Tape & Reel
(VO - 424mV) Measured = Temperature 6.25mV/C
DESCRIPTION
The DS60 analog temperature sensor measures its own temperature and provides these measurements to the user in the form of an output voltage (VO) that is proportional to degrees centigrade. The output voltage characteristic is factory-calibrated for a typical sensitivity of +6.25mV/C and a DC offset of +424mV at 0C. Its operating temperature range is -40C to +125C, corresponding to an output voltage range of +174mV to +1205mV. The DS60 has 2.0C accuracy over a 0C to +85C temperature range and over the full +2.7V to +5.5V power supply range. Its accuracy is within 3.0C over the operating temperature range and full supply range. Because the output voltage is positive for the entire temperature range, there is no need for a negative power supply. The DS60's tiny size, low-current operation, and wide supply range make it ideal for use in batterypowered applications. To further reduce power dissipation, the DS60 can be powered by any logic gate output that is capable of sourcing 125A, which allows the DS60 to be switched to a zero power standby state when the gate is forced to a logic 0.
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DS60
ABSOLUTE MAXIMUM RATINGS*
Voltage on VDD Output Current Operating Temperature Range Storage Temperature Range ESD Susceptibility (Human Body Model) Soldering Temperature GND -0.3V to +6.5V 5.0mA -40C to +125C -55C to +150C 2kV 215C for 60s (Vapor Phase) 220C for 15s (IR)
* These are stress ratings 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.
DC ELECTRICAL CHARACTERISTICS
PARAMETER Supply Voltage Supply Current Measurement Error VO DC Offset Sensor Gain Nonlinearity Power Supply Regulation Sensor Drift Output Impedance SYMBOL VDD IDD TERR DV/DT 2.7V VDD 3.3V 3.0V VDD 5.5V CONDITION 0C TA 85C -40C TA 125C T = 0C
(-40C to +125C; 2.7V VDD 5.5V)
MIN 2.7 TYP 80 MAX 5.5 125 2 3 6.5 0.8 2.0 0.25 800 UNITS V A C mV mV/C C mV/V mV/V C W NOTES 1 2 2 1, 2 2 2, 3
6.0
424 6.25
0.25
4
NOTES:
1) 2) 3) 4) All voltages are referenced to ground unless otherwise specified. Specified for VO sourcing 1.0A (max). Nonlinearity is the maximum deviation from an ideal linear slope. Typical drift following three consecutive passes through a vapor phase process.
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