Datasheet > LMT88_15

LMT88_15

更新时间： 2024-01-09 00:13:07

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德州仪器 - TI		/
页数	文件大小	规格书
23页	967K
描述
2.4-V, 10-Î¼A, SC-70 Temperature Sensor

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LMT88

SNIS175A –MARCH 2013–REVISED JANUARY 2015

LMT88 2.4-V, 10-µA, SC-70 Temperature Sensor

1 Features

3 Description

The LMT88 device is a precision analog output

•

Cost-Effective Alternative to Thermistors

Rated for Full −55°C to 130°C Range

Available in an SC70 Package

CMOS integrated-circuit temperature sensor that

operates over a temperature range of −55°C to

130°C . The power supply operating range is 2.4 V to

5.5 V. The transfer function of LMT88 is

predominately linear, yet has a slight predictable

parabolic curvature. The accuracy of the LMT88

when specified to a parabolic transfer function is

typically ±1.5°C at an ambient temperature of 30°C.

The temperature error increases linearly and reaches

a maximum of ±2.5°C at the temperature range

extremes. The temperature range is affected by the

power supply voltage. At a power supply voltage of

2.7 V to 5.5 V, the temperature range extremes are

130°C and −55°C. Decreasing the power supply

voltage to 2.4 V changes the negative extreme to

−30°C, while the positive remains at 130°C.

Predictable Curvature Error

Suitable for Remote Applications

2 Applications

•

Industrial

HVAC

Disk Drives

Automotive

Portable Medical Instruments

Computers

Battery Management

Printers

The LMT88 quiescent current is less than 10 μA.

Therefore, self-heating is less than 0.02°C in still air.

Shutdown capability for the LMT88 is intrinsic

because its inherent low power consumption allows it

to be powered directly from the output of many logic

gates or does not necessitate shutdown at all.

Power Supply Modules

FAX Machines

Mobile Phones

Automotive

The LMT88 is a cost-competitive alternative to

thermistors.

Device Information⁽¹⁾

PART NUMBER

LMT88

PACKAGE

BODY SIZE (NOM)

SOT (5)

2.00 mm × 1.25 mm

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Simplified Schematic

+2.4V to +5.5V

Output Voltage vs Temperature

To MCU ADC

V⁺

LMT88

GND

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...23

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