Texas Instruments 2.7V, 15.6mV deg C, SOT-23 Temperature Sensor LM62EVAL LM62EVAL 数据表
产品代码
LM62EVAL
SNIS105E – JUNE 1999 – REVISED MARCH 2013
LM62 2.7V, 15.6 mV/°C SOT-23 Temperature Sensor
Check for Samples:
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FEATURES
DESCRIPTION
The
LM62
is
a
precision
integrated-circuit
2
•
Calibrated Linear Scale Factor of +15.6 mV/°C
temperature sensor that can sense a 0°C to +90°C
•
Rated for Full 0°C to +90°C Range with 3.0V
temperature range while operating from a single
Supply
+3.0V supply. The LM62's output voltage is linearly
•
Suitable for Remote Applications
proportional to Celsius (Centigrade) temperature
(+15.6 mV/°C) and has a DC offset of +480 mV. The
offset allows reading temperatures down to 0°C
(+15.6 mV/°C) and has a DC offset of +480 mV. The
offset allows reading temperatures down to 0°C
APPLICATIONS
without the need for a negative supply. The nominal
•
Cellular Phones
output voltage of the LM62 ranges from +480 mV to
•
Computers
+1884 mV for a 0°C to +90°C temperature range.
The LM62 is calibrated to provide accuracies of
The LM62 is calibrated to provide accuracies of
•
Power Supply Modules
±2.0°C at room temperature and +2.5°C/
−
2.0°C over
•
Battery Management
the full 0°C to +90°C temperature range.
•
FAX Machines
The LM62's linear output, +480 mV offset, and factory
•
Printers
calibration simplify external circuitry required in a
•
HVAC
single
supply
environment
where
reading
temperatures down to 0°C is required. Because the
•
Disk Drives
LM62's quiescent current is less than 130
μ
A, self-
•
Appliances
heating is limited to a very low 0.2°C in still air.
Shutdown capability for the LM62 is intrinsic because
Shutdown capability for the LM62 is intrinsic because
KEY SPECIFICATIONS
its inherent low power consumption allows it to be
powered directly from the output of many logic gates.
powered directly from the output of many logic gates.
•
Accuracy at 25°C ±2.0 or ±3.0°C (max)
•
Temperature Slope +15.6 mV/°C
•
Power Supply Voltage Range +2.7V to +10V
•
Current Drain @ 25°C 130
μ
A (max)
•
Nonlinearity ±0.8°C (max)
•
Output Impedance 4.7 k
Ω
(max)
Typical Application
Connection Diagram
See Package Number DBZ
V
O
= (+15.6 mV/°C × T°C) + 480 mV
Figure 1. Full-Range Centigrade Temp. Sensor
(0°C to +90°C) Stabilizing a Crystal Oscillator
Temperature (T)
Typical V
O
+90°C
+1884 mV
+70°C
+1572 mV
+25°C
870 mV
0°C
+480 mV
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.