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FEATURES
Factory calibrated for sensitivity of
+6.25mV/C and accuracy of 2.0C
Measurement range of -40C to +125C
Ultra-low supply current
Compact SOT-23 package
Wide power supply range (2.7V
V
DD
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 ASSIGNMENT
PIN DESCRIPTION
V
DD
- Power Supply Voltage (2.7V to 5.5V)
V
O
- Sensor Output
GND
- Ground
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 -40C to +125C, 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 2.0C from 0C to 85C and within
3.0C 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 A 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.
DS60
Micro-Centigrade Temperature Sensor
www.dalsemi.com
GND
V
DD
V
O
DS60R-TRL
3,000 PIECE SOT-23 REEL
PRELIMINARY
DS60
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ABSOLUTE MAXIMUM RATINGS*
Voltage on V
DD
GND -0.3V to +6.5V
Output Current
5.0 mA
Operating Temperature
-40C to +125C
Storage Temperature
-55C to +150C
ESD Susceptibility (Human Body Model)
2kV
Soldering Temperature (Note 2)
215C for 60 seconds (Vapor Phase)
220C for 15 seconds (IR)
*
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) 3714448.
RECOMMENDED DC OPERATING CONDITIONS
(-40C to +125C; 2.7V
V
DD
5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
V
DD
2.7
5.5
V
1
DC ELECTRICAL CHARACTERISTICS:
Power Supply (Note 3)
(-40C to +125C; 2.7V
V
DD
5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Supply Current
I
DD
80
125
A
DC ELECTRICAL CHARACTERISTICS:
Temperature Sensor and Voltage Output (Note 3)
(-40C to +125C; 2.7V
V
DD
5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
-40C
T
A
125C
3
Thermometer Error
T
ERR
0C
T
A
85C
2
C
4
V
O
DC Offset
T = 0C
424
mV
1
Sensor Gain
V/
T
6.0
6.25
6.5
mV/C
Nonlinearity
0.8
C
5
2.7V
V
DD
3.3V
2.0
mV
Power Supply
Regulation
3.0V
V
DD
5.5V
0.25
mV/V
Sensor Drift
0.25
C
6
Output Impedance
800
DS60
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NOTES:
1.
All voltages are referenced to ground, unless otherwise specified.
2.
Solder according to IPC standards.
3.
Specified for V
O
sourcing 1.0 A (max).
4.
Thermometer error (expressed in C) is the difference between [V
O
(T) - 424]/6.25 and the DS60 case
temperature at V
DD
= 3.0V, thus taking into account sensor error, DC offset error, sensor amplifier
gain variations, and amplifier nonlinearity.
5.
Nonlinearity is the maximum deviation of an ideal linear slope for a given DS60.
6.
This is the typical drift following 3 consecutive passes through a vapor phase.
TYPICAL DS60 THERMOMETER ERROR Figure 1
TBD
DS60
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DS60 PHYSICAL DIMENSIONS
INCHES
LTR
MIN
MAX
A
0.030
0.040
A1
0.001
0.006
B
0.015
0.022
C
0.003
0.008
D
0.100
0.120
E
0.040
0.060
e
0.070
0.085
H
0.080
0.100
I
0.005
0.015
S
0.015
0.025
0
8
56-G2017-001
NOTES:
1.
PACKAGE OUTLINE EXCLUSIVE OF ANY MOLD
FLASHES DIMENSION.
2.
PACKAGE OUTLINE EXCLUSIVE OF BURR
DIMENSION.
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