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LMT01DQXT PDF预览

LMT01DQXT

更新时间: 2024-11-21 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

LMT01DQXT 数据手册

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LMT01  
SNIS189A JUNE 2015REVISED 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.  
1
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  
V
: 3.0V to 5.5V  
DD  
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  
0
25  
50  
75  
100  
125  
150  
œ50  
œ25  
tower hn  
LMT01 Junction Temperaure (°C)  
C014  
Typical units plotted in center of curve.  
1
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.  
 
 
 
 

LMT01DQXT 替代型号

型号 品牌 替代类型 描述 数据表
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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

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