Datasheet > LM50

LM50

更新时间： 2024-09-21 12:05:59

品牌	Logo	应用领域
德州仪器 - TI		传感器温度传感器电路保护
页数	文件大小	规格书
15页	853K
描述
LM50/LM50-Q1 SOT-23 Single-Supply Centigrade Temperature Sensor

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LM50 数据手册

LM50, LM50-Q1

SNIS118E –JULY 1999–REVISED SEPTEMBER 2013

LM50/LM50-Q1 SOT-23 Single-Supply Centigrade Temperature Sensor

Check for Samples: LM50, LM50-Q1

FEATURES

DESCRIPTION

The LM50/LM50-Q1 is a precision integrated-circuit

temperature sensor that can sense a −40°C to

+125°C temperature range using a single positive

supply. The LM50/LM50-Q1's output voltage is

linearly proportional to Celsius (Centigrade)

temperature (+10 mV/°C) and has a DC offset of

+500 mV. The offset allows reading negative

temperatures without the need for a negative supply.

The ideal output voltage of the LM50/LM50-Q1

ranges from +100 mV to +1.75V for a −40°C to

+125°C temperature range. The LM50/LM50-Q1 does

not require any external calibration or trimming to

provide accuracies of ±3°C at room temperature and

±4°C over the full −40°C to +125°C temperature

range. Trimming and calibration of the LM50/LM50-

Q1 at the wafer level assure low cost and high

accuracy. The LM50/LM50-Q1's linear output, +500

mV offset, and factory calibration simplify circuitry

required in a single supply environment where

reading negative temperatures is required. Because

the LM50/LM50-Q1's quiescent current is less than

130 μA, self-heating is limited to a very low 0.2°C in

still air.

•

Calibrated Directly in Degree Celsius

(Centigrade)

•

Linear + 10.0 mV/°C Scale Factor

±2°C Accuracy Specified at +25°C

Specified for Full −40° to +125°C range

Suitable for Remote Applications

Low Cost Due to Wafer-level Trimming

Operates from 4.5V to 10V

Less than 130 μA Current Drain

Low Self-heating, Less than 0.2°C in Still Air

Nonlinearity Less than 0.8°C Over Temp

LM50Q is AEC-Q100 Grade 1 qualified and is

manufactured on an Automotive Grade flow.

•

UL Recognized Component

APPLICATIONS

•

Automotive

Computers

Disk Drives

Battery Management

Automotive

FAX Machines

Printers

Portable Medical Instruments

HVAC

Figure 1. SOT-23 Pin Out

Top View

See Package Number DBZ0003A

Power Supply Modules

Figure 2. Full-Range Centigrade Temperature

Sensor Application (−40°C to +125°C)

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard

warranty. Production processing does not necessarily include testing of all parameters.

12 3 4 5 6 7...15

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LM5000-3MTC/NOPB	TI	获取价格	High Voltage Switch Mode Regulator
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