TMP64 Linear Thermistor Datasheet

TMP64 Datasheet, PDF, Equivalent


Part Number

TMP64

Description

Linear Thermistor

Manufacture

etcTI

Total Page 24 Pages
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TMP64
SNIS212A – DECEMBER 2019 – REVISED MARCH 2020
TMP64 ±1% 47-kLinear Thermistor With 0402 Package
1 Features
1 Silicon-based thermistor with a
positive temperature coefficient (PTC)
• Linear resistance change across temperature
• 47-knominal resistance at 25 °C (R25)
– ±1% maximum (0 °C to 70 °C)
• Wide operating temperature of –40 °C to +125 °C
• Consistent sensitivity across temperature
– 6400 ppm/°C TCR (25 °C)
– 0.2 % typical TCR tolerance across
temperature range
• Fast thermal response time of 0.6 s (DEC)
• Long lifetime and robust performance
– Built-in fail-safe in case of short-circuit failures
– 0.5% typical long term sensor drift
2 Applications
• Temperature monitoring
– HVAC and thermostats
– Industrial control and appliances
• Thermal compensation
– Display backlights
– Building automation
• Thermal threshold detection
– Motor control
– Chargers
3 Description
Get started today with the Thermistor Design Tool,
offering complete resistance vs temperature table (R-
T table) computation, other helpful methods to derive
temperature and example C-code.
Linear thermistors offer linearity and consistent
sensitivity across temperature to enable simple and
accurate methods for temperature conversion. Low
power consumption and a small thermal mass
minimize the impact of self-heating. With built-in
failsafe behavior at high temperatures and powerful
immunity to environmental variation, these devices
are designed for a long lifetime of high performance.
The small size of the TMP6 series also allows for
close placement to heat sources and quick response
times.
Take advantage of benefits over NTC thermistors
such as no extra linearization circuitry, minimized
calibration, less resistance tolerance variation, larger
sensitivity at high temperatures, and simplified
conversion methods to save time and memory in the
processor.
The TMP64 is currently available in a 0402 footprint-
compatible X1SON package.
PART NUMBER
TMP64
Device Information(1)
PACKAGE
BODY SIZE (NOM)
X1SON
0.60 mm × 1.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Implementation Circuits
VBias
Typical Resistances vs Ambient Temperature
90
RBias
IBias
75
RTMP64
VTemp
RTMP64
VTemp
60
45
30
-40 -20 0 20 40 60 80 100 120 140
Temperature (qC)
64_F
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.

TMP64
TMP64
SNIS212A – DECEMBER 2019 – REVISED MARCH 2020
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 TMP64 R-T table....................................................... 9
7.4 Feature Description................................................... 9
7.5 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 10
8.1 Application Information............................................ 10
8.2 Typical Application .................................................. 10
9 Power Supply Recommendations...................... 15
10 Layout................................................................... 15
10.1 Layout Guidelines ................................................. 15
10.2 Layout Example .................................................... 15
11 Device and Documentation Support ................. 16
11.1 Receiving Notification of Documentation Updates 16
11.2 Support Resources ............................................... 16
11.3 Trademarks ........................................................... 16
11.4 Electrostatic Discharge Caution ............................ 16
11.5 Glossary ................................................................ 16
12 Mechanical, Packaging, and Orderable
Information ........................................................... 16
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision Original (December 2019) to Revision A
Page
• Changed data sheet status from: Advanced Information to: Production Data ....................................................................... 1
• Updated Title .......................................................................................................................................................................... 1
• Updated Features ................................................................................................................................................................... 1
• Updated Applications.............................................................................................................................................................. 1
• Updated Description ............................................................................................................................................................... 1
• Increased ESD CDM Rating from ±750 V to ± 1000 V .......................................................................................................... 4
• Changed minimum 'Long Term Drift' spec for RH = 85 % from 0.1 % to -1 % ...................................................................... 5
• Added typical. 'Long Term Drift' spec for RH = 85 %............................................................................................................. 5
• Changed maximum 'Long Term Drift' spec for RH = 85 % from 0.8 % to 1 % ...................................................................... 5
• Changed minimum 'Long Term Drift' spec from 0.1 % to -1% ............................................................................................... 5
• Added typical. 'Long Term Drift' spec ..................................................................................................................................... 5
• Changed maximum 'Long Term Drift' spec from 1 % to 1.8 % ............................................................................................. 5
• Added 'Supply Dependence Resistance vs. Bias Current' graph........................................................................................... 6
• Added 'Supply Dependence Resistance vs. Bias Voltage' graph .......................................................................................... 6
• Added 'Step Response' graph ................................................................................................................................................ 6
• Added 'Thermal Response time' graphs................................................................................................................................. 6
• Updated Thermistor Design Tool link ..................................................................................................................................... 9
2 Submit Documentation Feedback
Product Folder Links: TMP64
Copyright © 2019–2020, Texas Instruments Incorporated


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TMP64 SNIS212A – DECEMBER 201 9 – REVISED MARCH 2020 TMP64 ±1% 47- kΩ Linear Thermistor With 0402 Packag e 1 Features •1 Silicon-based thermi stor with a positive temperature coeffi cient (PTC) • Linear resistance chang e across temperature • 47-kΩ nomina l resistance at 25 °C (R25) – ±1% m aximum (0 °C to 70 °C) • Wide opera ting temperature of –40 °C to +125 C • Consistent sensitivity across te mperature – 6400 ppm/°C TCR (25 °C) – 0.2 % typical TCR tolerance across temperature range • Fast thermal res ponse time of 0.6 s (DEC) • Long life time and robust performance – Built-i n fail-safe in case of short-circuit fa ilures – 0.5% typical long term senso r drift 2 Applications • Temperature monitoring – HVAC and thermostats – Industrial control and appliances • Thermal compensation – Display backli ghts – Building automation • Thermal threshold detection – Motor control – Chargers 3 Description Get started today.
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