Sample &
Buy
Support &
Community
Product
Folder
Tools &
Software
Technical
Documents
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.
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.
5秒后页面跳转
STM32H743技术深度剖析与应用案例探索
LM321中文资料解析：引脚功能介绍、技术特点、技术特性分析
74HC14芯片资料介绍：性能特性分析、引脚介绍
LM1875芯片手册：功放参数分析、引脚说明、电路设计要点
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
