LM95172Q - Digital Temperature Sensor in Die Form with ±1°C Accuracy from 130°C to 160°C
Datasheet Packaging Samples & Pricing Reliability Knowledge Base

Features
• AEC-Q100 Grade 0 qualified and is manufactured on an Automotive Grade Flow.
•0.0625°C to 0.0078125°C temperature resolution
•Wide −40°C to +175°C temperature range
•35 ms conversion time tracks fast temp changes
• ^OVERTEMP digital output switches when TDIE > THIGH
•Shutdown mode saves power yet wakes up for one-shot temperature update

Key Specification

■  Analog and Digital Supply Voltage 3.0V to 5.5V
■  Total Supply Current        Operating 400 µA (typ)
Shutdown  −40°C to +140°C 4 µA (max)
Shutdown  −40°C to +175°C 12 µA (max)
■  Temperature Accuracy  
+130°C to +160°C ±1.0°C (max)
+120°C to +130°C ±2.0°C (max)
+160°C to +175°C ±2.0°C (max)
−40°C to +120°C ±3.5°C (max)
■  Temperature Resolution  
13-bit mode 0.0625°C/LSB
16-bit mode 0.0078125°C/LSB
■  Conversion Time  
13-bit mode 35 ms (max)
16-bit mode 280 ms (max)

General Description

The LM95172Q is a digital temperature sensor with industry-leading accuracy at temperatures up to 175°C. More...


Applications

•Automotive
•Process Monitoring
•Harsh-environment temperature monitoring
•Custom-package applications
•High-Temperature Modules
  Typical Application
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Typical Performance

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  Additional Resources
Online Seminars
Block Diagram
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Simplified Block Diagram

Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
LM95172Q Digital Temperature Sensor in Die Form with ±1°C Accuracy from 130°C to 160°C 451
Kbytes		 4-Feb-09 Download

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Package Availability, Models, Samples & Pricing
Part NumberPackageFactory Lead TimeModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
Format
TypePinsSpec.MSL
Rating		Peak
Reflow		RoHS
Report		CAD
Symbols		WeeksQtyQty$US each
LM95172QA2 MDAUnpackaged DieFull productionN/A
  CALLtray
of
N/A		-
N/A50000

General Description

The LM95172Q is a digital temperature sensor with industry-leading accuracy at temperatures up to 175°C. It features a linear Sigma-Delta Analog-to-Digital Converter (ADC) with fast conversion rates and low output noise. Communication with the LM95172Q is achieved over an easy-to-use Serial Peripheral Interface (SPI) with high noise immunity.

The LM95172Q's resolution is user programmable from 0.0625°C to 0.0078125°C. When operating in 13-, 14- or 15-bit resolution, the LM95172Q indicates a new conversion has been completed. The LM95172Q also features an over-temperature alarm output ( ^OVERTEMP) that asserts when the die temperature exceeds a programmed high limit.

The LM95172Q is specified for operation over the wide temperature range of -40°C to 175°C. It is available in die form which makes the LM95172Q ideal multi-chip modules or custom packaging to a wide variety of high-temperature applications.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM95172QA2 MDACMOS70184060010890004309006723

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


[Information as of 8-Nov-2009]