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LM19 Datenblatt(PDF) 1 Page - Texas Instruments

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Teilenummer LM19
Bauteilbeschribung  LM19 2.4V, 10關A, TO-92 Temperature Sensor
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LM19 Datenblatt(HTML) 1 Page - Texas Instruments

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LM19
www.ti.com
SNIS122E – MAY 2001 – REVISED MARCH 2013
LM19 2.4V, 10µA, TO-92 Temperature Sensor
Check for Samples: LM19
1
FEATURES
DESCRIPTION
The LM19 is a precision analog output CMOS
2
Rated for Full
−55°C to +130°C Range
integrated-circuit temperature sensor that operates
Available in a TO-92 Package
over a
−55°C to +130°C temperature range. The
Predictable Curvature Error
power supply operating range is +2.4 V to +5.5 V.
The transfer function of LM19 is predominately linear,
Suitable for Remote Applications
yet has a slight predictable parabolic curvature. The
UL Recognized Component
accuracy of the LM19 when specified to a parabolic
transfer function is ±2.5°C at an ambient temperature
APPLICATIONS
of +30°C. The temperature error increases linearly
and
reaches
a
maximum
of
±3.8°C
at
the
Cellular Phones
temperature range extremes. The temperature range
Computers
is affected by the power supply voltage. At a power
Power Supply Modules
supply voltage of 2.7 V to 5.5 V the temperature
range extremes are +130°C and
−55°C. Decreasing
Battery Management
the power supply voltage to 2.4 V changes the
FAX Machines
negative
extreme
to
−30°C, while the positive
Printers
remains at +130°C.
HVAC
The LM19's quiescent current is less than 10
μA.
Disk Drives
Therefore, self-heating is less than 0.02°C in still air.
Shutdown capability for the LM19 is intrinsic because
Appliances
its inherent low power consumption allows it to be
powered directly from the output of many logic gates
KEY SPECIFICATIONS
or does not necessitate shutdown at all.
Accuracy at +30°C ±2.5 °C (max)
Accuracy at +130°C &
−55°C ±3.5 to ±3.8 °C
(max)
Power Supply Voltage Range +2.4V to +5.5V
Current Drain 10
μA (max)
Nonlinearity ±0.4 % (typ)
Output Impedance 160
Ω (max)
Load Regulation
0µA < IL< +16 µA
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2001–2013, 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.


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