제품 상세 정보

Local sensor accuracy (max) 4 Rating Catalog Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 10 Supply current (max) (µA) 130 Interface type Analog output Sensor gain (mV/°C) 10 Features Industry standard pinout
Local sensor accuracy (max) 4 Rating Catalog Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 10 Supply current (max) (µA) 130 Interface type Analog output Sensor gain (mV/°C) 10 Features Industry standard pinout
SOT-23 (DBZ) 3 6.9204 mm² 2.92 x 2.37
  • Industry-Standard Sensor Gain/Offset:
    • 10mV/°C, 500mV at 0°C
    • Drop-in functional equivalent to LM50C
  • LMT90 Temperature Accuracy:
    • ±3°C (Max) at 25°C
    • ±4°C (Max) over −40°C to +125°C
  • Operating supply range: 4.5V to 10V
  • Quiescent Current (Typ): 95µA
  • Available in Standard SOT23-3 package
  • Nonlinearity: ±0.8°C (Max)
  • DC Output Impedance: 2kΩ/4kΩ (typ/Max)
    • Enables driving large capacitive loads
  • Cost-Effective Alternative to Thermistors
  • Industry-Standard Sensor Gain/Offset:
    • 10mV/°C, 500mV at 0°C
    • Drop-in functional equivalent to LM50C
  • LMT90 Temperature Accuracy:
    • ±3°C (Max) at 25°C
    • ±4°C (Max) over −40°C to +125°C
  • Operating supply range: 4.5V to 10V
  • Quiescent Current (Typ): 95µA
  • Available in Standard SOT23-3 package
  • Nonlinearity: ±0.8°C (Max)
  • DC Output Impedance: 2kΩ/4kΩ (typ/Max)
    • Enables driving large capacitive loads
  • Cost-Effective Alternative to Thermistors

The LMT90 device is a cost-optimized precision analog temperature sensor developed as a linear alternative to discrete thermistors. This device can measure temperatures from -40°C to 125°C using a single positive supply. The output voltage of the device is linearly proportional to temperature (10mV/°C) and has a DC offset of 500mV at 0°C. The offset allows reading negative temperatures without the need for a negative supply. The output voltage of the LMT90 ranges from 100mV (at –40°C) to 1.75V (at 125°C), simplifying analog-to-digital converter (ADC) interfacing.

The LMT90 is a drop-in equivalent to LM50C and does not require any external calibration, trimming or software linearization leading to simplifying the circuitry requirements in a single supply environment. Due to low quiescent current of LMT90 (typically around 95µA), self-heating is limited to a very low 0.2°C (in still air). This device is suitable for HVAC, appliance, and consumer electronics applications. Trimming and calibration of the LMT90 at the wafer level supports long-term availability, low cost and consistent accuracy (±3°C at 25°C, ±4°C over temperature range).

The LMT90 device is a cost-optimized precision analog temperature sensor developed as a linear alternative to discrete thermistors. This device can measure temperatures from -40°C to 125°C using a single positive supply. The output voltage of the device is linearly proportional to temperature (10mV/°C) and has a DC offset of 500mV at 0°C. The offset allows reading negative temperatures without the need for a negative supply. The output voltage of the LMT90 ranges from 100mV (at –40°C) to 1.75V (at 125°C), simplifying analog-to-digital converter (ADC) interfacing.

The LMT90 is a drop-in equivalent to LM50C and does not require any external calibration, trimming or software linearization leading to simplifying the circuitry requirements in a single supply environment. Due to low quiescent current of LMT90 (typically around 95µA), self-heating is limited to a very low 0.2°C (in still air). This device is suitable for HVAC, appliance, and consumer electronics applications. Trimming and calibration of the LMT90 at the wafer level supports long-term availability, low cost and consistent accuracy (±3°C at 25°C, ±4°C over temperature range).

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관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치보다 업그레이드된 기능을 지원하는 드롭인 대체품
LM50 활성 10mV/°C 게인을 지원하는 ±2°C 아날로그 출력 온도 센서 Higher accuracy (±2°C) with UL recognition
TMP235 활성 1C 아날로그 온도 센서, 10mV/C Higher accuracy (±1°C) in a 3-pin SOT-23 package or smaller 5-pin SOT-SC70 package
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
ISOTMP35 활성 10mV/°C 아날로그 출력을 지원하는 1.2°C 기본 절연 온도 센서 First-in-market integrated isolation with the same sensor gain (10 mV/°C). Higher accuracy (±1.2°C) and wider temperature range (-40 to 150°C).

기술 자료

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4개 모두 보기
유형 직함 날짜
* Data sheet LMT90 Industry-Standard, ±3°C Accurate, Analog Centigrade (10mV/°C) Temperature Sensor in SOT-23 Package datasheet (Rev. C) PDF | HTML 2025/05/20
Application note SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) 2019/05/08
More literature Analog Temperature Sensors 2013/04/18
User guide LMT90 User Guide 2013/01/31

설계 및 개발

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평가 보드

LMT90EVM — LMT90EVM 온도 센서 평가 모듈

The Texas Instruments LMT90EVM evaluation module (EVM) helps designers evaluate the operation and performance of the LMT90 analog temperature sensor.

사용 설명서: PDF
TI.com에서 구매 불가
패키지 CAD 기호, 풋프린트 및 3D 모델
SOT-23 (DBZ) 3 Ultra Librarian

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  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
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