Datasheet > LMT01DQXR

LMT01DQXR

更新时间： 2024-10-29 11:07:03

品牌	Logo	应用领域
德州仪器 - TI		温度传感脉冲传感器温度传感器
页数	文件大小	规格书
27页	974K
描述
精度为 0.5°C 且具有脉冲序列接口的双引脚温度传感器 \| DQX \| 2 \| -50 to 150

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LMT01

SNIS189A –JUNE 2015–REVISED JUNE 2015

LMT01 0.5°C Accurate 2-Pin Digital Output Temperature Sensor with Pulse Count

Interface

1 Features

3 Description

The LMT01 is a high-accuracy, 2-pin temperature

sensor with an easy-to-use pulse count interface

which makes it an ideal digital replacement for PTC

or NTC thermistors both on and off board in

automotive, industrial, and consumer markets. The

LMT01 digital pulse count output and high accuracy

over a wide temperature range allow pairing with any

MCU without concern for integrated ADC quality or

availability, while minimizing software overhead. TI’s

LMT01 achieves flat ±0.5°C accuracy with very fine

resolution (0.0625°C) over a wide temperature range

of -20°C to 90°C without system calibration or

hardware/software compensation.

•

High Accuracy Over –50°C to 150°C Wide

Temperature Range

–

–20°C to 90°C: ±0.5°C (max)

90°C to 150°C: ±0.62°C (max)

–50°C to –20°C: ±0.7°C (max)

•

Precision Digital Temperature Measurement

Simplified in a 2-Pin Package

Single-wire Pulse Count Digital Output Easily

Read with Processor Timer Input

Number of Output Pulses is Proportional to

Temperature with 0.0625°C Resolution

Unlike other digital IC temperature sensors, LMT01’s

single wire interface is designed to directly interface

with a GPIO or comparator input, thereby simplifying

hardware implementation. Similarly, the LMT01's

integrated EMI suppression and simple 2-pin

architecture makes it ideal for on-board and off-board

temperature sensing. The LMT01 offers all the

simplicity of analog NTC or PTC thermistors with the

added benefits of a digital interface, wide specified

performance, EMI immunity, and minimum processor

resources.

•

Communication Frequency: 88 kHz

Continuous Conversion Plus Data-Transmission

Period: 100 ms

•

Conversion Current: 34 µA

Floating 2 V to 5.5 V (VP–VN) Supply Operation

with Integrated EMI Immunity

•

2-Pin Package Offering TO-92/LPG (3.1 mm × 4

mm × 1.5 mm) – ½ the Size of Traditional TO-92

2 Applications

Device Information

•

Digital Output Wired Probes

White Goods

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LMT01

TO-92 / LPG (2)

4.00 mm × 3.15 mm

HVAC

1. For all available packages, see the orderable addendum at

the end of the data sheet.

Power Supplies

Industrial Internet of Things (IoT)

Automotive

Battery Management

2-Pin IC Temperature Sensor

LMT01 Accuracy

: 3.0V to 5.5V

1.0

GPIO

0.8

Max Limit

Up to 2m

0.6

0.4

MCU/

FPGA/

ASIC

ët

LMT01

ëb

Min 2.0V

0.2

0.0

-0.2

-0.4

-0.6

GPIO/

COMP

LMT01 Pulse Count Interface

Min Limit

Conversion Time

-0.8

ADC Conversion Result

-1.0

tower hff

100

125

150

œ50

œ25

tower hn

LMT01 Junction Temperaure (°C)

C014

Typical units plotted in center of curve.

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...27

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LMT01DQXR 替代型号

型号	品牌	替代类型	描述	数据表
LMT01DQXT	TI	完全替代	精度为 0.5°C 且具有脉冲序列接口的双引脚温度传感器 \| DQX \| 2 \| -50

与LMT01DQXR相关器件

型号	品牌	获取价格	描述	数据表
LMT01DQXT	TI	获取价格	精度为 0.5°C 且具有脉冲序列接口的双引脚温度传感器 \| DQX \| 2 \| -50
LMT01ELPGMQ1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器 \| LPG \| 2 \| -4
LMT01ELPGQ1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器 \| LPG \| 2 \| -4
LMT01LPG	TI	获取价格	0.5Â°C Accurate 2-Pin Digital Output Temperat
LMT01LPGM	TI	获取价格	0.5Â°C Accurate 2-Pin Digital Output Temperat
LMT01-Q1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器
LMT01QDQXRQ1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器 \| DQX \| 2 \| -4
LMT01QDQXTQ1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器 \| DQX \| 2 \| -4
LMT01QLPGMQ1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器 \| LPG \| 2 \| -4
LMT01QLPGQ1	TI	获取价格	具有脉冲序列接口的汽车级 0.5°C 高精度双引脚温度传感器 \| LPG \| 2 \| -4

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