LM60CIM3 National Semiconductor, LM60CIM3 Datasheet

IC, TEMPERATURE SENSOR, ± 3°C, 3-SOT-23

LM60CIM3

Manufacturer Part Number
LM60CIM3
Description
IC, TEMPERATURE SENSOR, ± 3°C, 3-SOT-23
Manufacturer
National Semiconductor
Datasheet

Specifications of LM60CIM3

Ic Output Type
Voltage
Sensing Accuracy Range
± 3°C
Supply Current
110µA
Supply Voltage Range
2.7V To 10V
Sensor Case Style
SOT-23
No. Of Pins
3
Termination Type
SMD
Filter Terminals
SMD
Rohs Compliant
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2010 National Semiconductor Corporation
2.7V, SOT-23 or TO-92 Temperature Sensor
General Description
The LM60 is a precision integrated-circuit temperature sensor
that can sense a −40°C to +125°C temperature range while
operating from a single +2.7V supply. The LM60's output volt-
age is linearly proportional to Celsius (Centigrade) tempera-
ture (+6.25 mV/°C) and has a DC offset of +424 mV. The
offset allows reading negative temperatures without the need
for a negative supply. The nominal output voltage of the LM60
ranges from +174 mV to +1205 mV for a −40°C to +125°C
temperature range. The LM60 is calibrated to provide accu-
racies of ±2.0°C at room temperature and ±3°C over the full
−25°C to +125°C temperature range.
The LM60's linear output, +424 mV offset, and factory cali-
bration simplify external circuitry required in a single supply
environment where reading negative temperatures is re-
quired. Because the LM60's quiescent current is less than
110 μA, self-heating is limited to a very low 0.1°C in still air in
the SOT-23 package. Shutdown capability for the LM60 is in-
trinsic because its inherent low power consumption allows it
to be powered directly from the output of many logic gates.
Features
Typical Application
V
(−40°C to +125°C) Operating from a Single Li-Ion Battery
FIGURE 1. Full-Range Centigrade Temperature Sensor
O
= (+6.25 mV/°C × T °C) + 424 mV
Calibrated linear scale factor of +6.25 mV/°C
Rated for full −40° to +125°C range
Suitable for remote applications
Temperature (T)
+125°C
+100°C
+25°C
−25°C
−40°C
0°C
Cell
Typical V
+1205 mV
+1049 mV
+580 mV
+424 mV
+268 mV
+174 mV
12681
1268102
O
LM60
Applications
Key Specifications
Connection Diagrams
Available in SOT-23 and TO-92 packages
Cellular Phones
Computers
Power Supply Modules
Battery Management
FAX Machines
Printers
HVAC
Disk Drives
Appliances
Accuracy at 25°C:
Accuracy for −40°C to +125°C:
Accuracy for −25°C to +125°C:
Temperature Slope:
Power Supply Voltage Range:
Current Drain @ 25°C:  110μA (max)
Nonlinearity:
Output Impedance:  800Ω (max)
See NS Package Number mf03a
See NS Package Number Z03A
±0.8°C (max)
±2.0 and ±3.0°C (max)
Top View
+6.25mV/°C
SOT-23
TO-92
1268123
+2.7V to +10V
±4.0°C (max)
±3.0°C (max)
1268101
February 8, 2010
www.national.com

Related parts for LM60CIM3

LM60CIM3 Summary of contents

Page 1

... FIGURE 1. Full-Range Centigrade Temperature Sensor (−40°C to +125°C) Operating from a Single Li-Ion Battery Cell © 2010 National Semiconductor Corporation LM60 ■ Available in SOT-23 and TO-92 packages Applications ■ Cellular Phones ■ Computers ■ ...

Page 2

... Ordering Information Order Device Number Top Mark LM60BIM3 T6B LM60BIM3X T6B LM60CIM3 T6C LM60CIM3X T6C LM60BIZ LM60BIZ LM60CIZ LM60CIZ www.national.com Accuracy Over Specified Supplied In Temperature Range 1000 Units, Tape and Reel 3000 Units, Tape and Reel 1000 Units, Tape and Reel ...

Page 3

... Note 9: Nonlinearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the device's rated temperature range. Note 10: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be computed by multiplying the internal dissipation by the thermal resistance. ...

Page 4

... This is especially true when a small (Surface-Mount) part is wave-soldered; allow time for stress relaxation to occur. The majority of the drift will occur in the first 1000 hours at elevated temperatures. The drift after 1000 hours will not continue at the first 1000 hour rate. ...

Page 5

... Quiescent Current vs. Temperature 1268109 Noise Voltage 1268111 Start-Up Response 1268122 Accuracy vs Temperature Supply Voltage vs Supply Current 5 1268110 1268112 www.national.com ...

Page 6

... LM60 or its connections. The thermal resistance junction to ambient (θ rameter used to calculate the rise of a device junction tem- perature due to the device power dissipation. For the LM60 the equation used to calculate the rise in the die temperature is as follows where I the output ...

Page 7

... The LM60 handles capacitive loading well. Without any spe- cial precautions, the LM60 can drive any capacitive load as shown in Figure 4. Over the specified temperature range the LM60 has a maximum output impedance of 800Ω ex- tremely noisy environment it may be necessary to add some filtering to minimize noise pickup recommended that 0.1 μ ...

Page 8

Applications Circuits FIGURE 8. Conserving Power Dissipation with Shutdown www.national.com FIGURE 7. Centigrade Thermostat 8 1268118 1268119 ...

Page 9

... Physical Dimensions inches (millimeters) unless otherwise noted SOT-23 Molded Small Outline Transistor Package (M3) Order Number LM60BIM3 or LM60CIM3 NS Package Number mf03a 9 www.national.com ...

Page 10

TO-92 Molded Plastic Package (Z) Order Number LM60BIZ or LM60CIZ Package Number Z03A 10 ...

Page 11

Notes 11 www.national.com ...

Page 12

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

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