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TMP102 Datasheet Preview

TMP102 Datasheet

Digital Temperature Sensor

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TMP102
SBOS397H – AUGUST 2007 – REVISED DECEMBER 2018
TMP102 Low-Power Digital Temperature Sensor With SMBus and Two-Wire Serial
Interface in SOT563
1 Features
1 SOT563 Package (1.6-mm × 1.6-mm) is a 68%
Smaller Footprint than SOT-23
• Accuracy Without Calibration:
– 2.0°C (max) from –25°C to 85°C
– 3.0°C (max) from –40°C to 125°C
• Low Quiescent Current:
– 10-μA Active (max)
– 1-μA Shutdown (max)
• Supply Range: 1.4 to 3.6 V
• Resolution: 12 Bits
• Digital Output: SMBus, Two-Wire, and I2C
Interface Compatibility
• NIST Traceable
2 Applications
• Portable and Battery-Powered Applications
• Power-supply Temperature Monitoring
• Computer Peripheral Thermal Protection
• Notebook Computers
• Battery Management
• Office Machines
• Thermostat Controls
• Electromechanical Device Temperatures
• General Temperature Measurements:
– Industrial Controls
– Test Equipment
– Medical Instrumentations
Simplified Schematic
Pullup Resistors
5k
Supply Voltage
1.4 V to 3.6 V
Supply Bypass
Capacitor
0.01 µF
3 Description
The TMP102 device is a digital temperature sensor
ideal for NTC/PTC thermistor replacement where high
accuracy is required. The device offers an accuracy
of ±0.5°C without requiring calibration or external
component signal conditioning. Device temperature
sensors are highly linear and do not require complex
calculations or lookup tables to derive the
temperature. The on-chip 12-bit ADC offers
resolutions down to 0.0625°C.
The 1.6-mm × 1.6-mm SOT563 package is 68%
smaller footprint than an SOT-23 package. The
TMP102 device features SMBus™, two-wire and I2C
interface compatibility, and allows up to four devices
on one bus. The device also features an SMBus alert
function. The device is specified to operate over
supply voltages from 1.4 to 3.6 V with the maximum
quiescent current of 10 µA over the full operating
range.
The TMP102 device is ideal for extended temperature
measurement in a variety of communication,
computer, consumer, environmental, industrial, and
instrumentation applications. The device is specified
for operation over a temperature range of –40°C to
125°C.
The TMP102 production units are 100% tested
against sensors that are NIST-traceable and are
verified with equipment that are NIST-traceable
through ISO/IEC 17025 accredited calibrations.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TMP102
SOT563 (6)
1.60 mm × 1.20 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Block Diagram
Temperature
SCL
1
Diode
Temp.
Sensor
Control
Logic
6
SDA
Two-Wire
Host Controller
1
SCL
TMP102
6
SDA
2
GND
5
V+
3
ALERT
4
ADD0
GND
2
DS
A/D
Converter
Serial
Interface
5
V+
ALERT
3
OSC
Config.
4
and Temp.
Register
ADD0
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.




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TMP102 Datasheet Preview

TMP102 Datasheet

Digital Temperature Sensor

No Preview Available !

TMP102
SBOS397H – AUGUST 2007 – REVISED DECEMBER 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 4
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ..................................... 4
6.2 Handling Ratings....................................................... 4
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements ............................................... 6
6.7 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 8
7.4 Device Functional Modes........................................ 14
7.5 Programming........................................................... 15
8 Application and Implementation ........................ 21
8.1 Application Information............................................ 21
8.2 Typical Application .................................................. 21
9 Power Supply Recommendations...................... 23
10 Layout................................................................... 23
10.1 Layout Guidelines ................................................. 23
10.2 Layout Example .................................................... 23
11 Device and Documentation Support ................. 24
11.1 Documentation Support ....................................... 24
11.2 Receiving Notification of Documentation Updates 24
11.3 Community Resources.......................................... 24
11.4 Trademarks ........................................................... 24
11.5 Electrostatic Discharge Caution ............................ 24
11.6 Glossary ................................................................ 24
12 Mechanical, Packaging, and Orderable
Information ........................................................... 24
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision G (September 2018) to Revision H
Page
• Changed Absolute Maximum Ratings for voltage at SCL, SDA and ADD0 pin ..................................................................... 4
• Changed Absolute Maximum Ratings for voltage at ALERT pin............................................................................................ 4
Changes from Revision F (September 2018) to Revision G
Page
• Changed input voltage maximum value from: 3.6 V to: 4 V................................................................................................... 4
• Changed output voltage maximum value from: 3.6 V to: ((V+) + 0.5) and 4 V ................................................................... 4
• Changed Junction-to-ambient thermal resistance from 200 °C/W to 210.3 °C/W ................................................................. 5
• Changed Junction-to-case (top) thermal resistance from 73.7 °C/W to 105.0 °C/W ............................................................. 5
• Changed Junction-to-board thermal resistance from 34.4 °C/W to 87.5 °C/W ...................................................................... 5
• Changed Junction-to-top characterization parameter from 3.1 °C/W to 6.1 °C/W ................................................................. 5
• Changed Junction-to-board characterization parameter from 34.2 °C/W to 87.0 °C/W......................................................... 5
• Added the Receiving Notification of Documentation Updates section ................................................................................ 24
Changes from Revision E (April 2015) to Revision F
Page
• Added TI Design .................................................................................................................................................................... 1
• Added NIST Features bullet .................................................................................................................................................. 1
• Added last paragraph of Description section ......................................................................................................................... 1
Changes from Revision D (December 2014) to Revision E
Page
• Changed the MAX value for the Supply voltage from 3.6 to 4 in the Absolute Maximum Ratings table ............................... 4
• Changed MIN, TYP, and MAX values for the Temperature Accuracy (temperature error) parameter .................................. 5
• Changed the frequency from 2.85 to 3.4 MHz in the POWER SUPPLY section of the Electrical Characteristics table ....... 6
• Changed the Temperature Error vs Temperature graph in the Typical Characteristics section ............................................ 7
2
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Copyright © 2007–2018, Texas Instruments Incorporated


Part Number TMP102
Description Digital Temperature Sensor
Maker etcTI
Total Page 3 Pages
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