Data Sheet

ManualsBrandsSparkfun Electronics Manualstemperature & humidity sensorsDigital Temperature Sensor TMP102

FEATURES DESCRIPTION

APPLICATIONS

Diode

Temp.

Sensor

A/D

Converter

OSC

Control

Logic

Serial

Interface

Config.

andTemp.

TMP102

Temperature

SCL

ALERT

SDA

GND

2 5

V+

ADD0

TMP102

www.ti.com

............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008

Low Power Digital Temperature Sensor

With SMBus™/Two-Wire Serial Interface in SOT563

• TINY SOT563 PACKAGE

The TMP102 is a two-wire, serial output temperature

sensor available in a tiny SOT563 package. Requiring

• ACCURACY: 0.5 ° C ( – 25 ° C to +85 ° C)

no external components, the TMP102 is capable of

• LOW QUIESCENT CURRENT:

reading temperatures to a resolution of 0.0625 ° C.

10 µ A Active (max)

The TMP102 features SMBus and two-wire interface

1 µ A Shutdown (max)

compatibility, and allows up to four devices on one

• SUPPLY RANGE: 1.4V to 3.6V

bus. It also features an SMB alert function.

• RESOLUTION: 12 Bits

The TMP102 is ideal for extended temperature

• DIGITAL OUTPUT: Two-Wire Serial Interface

measurement in a variety of communication,

computer, consumer, environmental, industrial, and

instrumentation applications. The device is specified

• PORTABLE AND BATTERY-POWERED

for operation over a temperature range of – 40 ° C to

APPLICATIONS

+125 ° C.

• 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

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.

2 SMBus is a trademark of Intel, Inc.

3 All other 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.

Summary of content (19 pages)

PAGE 1
TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 Low Power Digital Temperature Sensor With SMBus™/Two-Wire Serial Interface in SOT563 FEATURES 1 • TINY SOT563 PACKAGE • ACCURACY: 0.5°C (–25°C to +85°C) • LOW QUIESCENT CURRENT: 10µA Active (max) 1µA Shutdown (max) • SUPPLY RANGE: 1.4V to 3.
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TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
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TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ELECTRICAL CHARACTERISTICS At TA = +25°C and VS = +1.4V to +3.6V, unless otherwise noted. TMP102 PARAMETER CONDITIONS MIN TYP MAX UNIT TEMPERATURE INPUT Range –40 Accuracy (Temperature Error) +125 °C –25°C to +85°C 0.5 2 °C –40°C to +125°C 1 3 °C 0.2 0.
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TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.com TYPICAL CHARACTERISTICS At TA = +25°C and V+ = 3.3V, unless otherwise noted. SHUTDOWN CURRENT vs TEMPERATURE 20 10 18 9 16 8 14 7 12 6 10 ISD (mA) IQ (mA) QUIESCENT CURRENT vs TEMPERATURE (4 Conversions per Second) 3.6V Supply 8 6 3.6V Supply 4 3 4 1.4V Supply 2 1.
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TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 APPLICATION INFORMATION The TMP102 is a digital temperature sensor that is optimal for thermal-management and thermalprotection applications. The TMP102 is two-wire- and SMBus interface-compatible, and is specified over a temperature range of –40°C to +125°C.
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TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.com TEMPERATURE REGISTER The Temperature Register of the TMP102 is configured as a 12-bit, read-only register (Configuration Register EM bit = '0', see the Extended Mode section), or as a 13-bit, read-only register (Configuration Register EM bit = '1') that stores the output of the most recent conversion.
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TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 Table 6. 13-Bit Temperature Data Format TEMPERATURE (°C) DIGITAL OUTPUT (BINARY) HEX 150 0 1001 0110 0000 0960 128 0 1000 0000 0000 0800 127.
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TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.com After power-up or general-call reset, the TMP102 immediately starts a conversion, as shown in Figure 9. The first result is available after 26ms (typical). The active quiescent current during conversion is 40µA (typical at +27°C). The quiescent current during delay is 2.2µA (typical at +27°C).
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TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 CONVERTER RESOLUTION (R1/R0) R1/R0 are read-only bits. The TMP102 converter resolution is set on start up to '11'. This sets the temperature register to a 12 bit-resolution. ONE-SHOT/CONVERSION READY (OS) The TMP102 features a One-Shot Temperature Measurement mode.
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TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.com SERIAL INTERFACE The TMP102 operates as a slave device only on the two-wire bus and SMBus. Connections to the bus are made via the open-drain I/O lines SDA and SCL.
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TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 SMBus ALERT FUNCTION HIGH-SPEED (Hs) MODE The TMP102 supports the SMBus Alert function. When the TMP102 operates in Interrupt mode (TM = '1'), the ALERT pin may be connected as an SMBus Alert signal.
PAGE 12
TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.com TIMING DIAGRAMS The TMP102 is two-wire and SMBus compatible. Figure 12 to Figure 15 describe the various operations on the TMP102. Parameters for Figure 12 are defined in Table 13. Bus definitions are: Bus Idle: Both SDA and SCL lines remain high.
PAGE 13
TMP102 www.ti.com ............................................................................................................................................... SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 TWO-WIRE TIMING DIAGRAMS t(LOW) tF tR t(HDSTA) SCL t(HDSTA) t(HIGH) t(SUSTO) t(SUSTA) t(HDDAT) t(SUDAT) SDA t(BUF) P S S P Figure 12.
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TMP102 SBOS397B – AUGUST 2007 – REVISED OCTOBER 2008 ............................................................................................................................................... www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE MATERIALS INFORMATION www.ti.com 22-Oct-2008 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel Diameter Width (mm) W1 (mm) A0 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant TMP102AIDRLR SOT DRL 6 4000 180.0 9.2 1.78 1.78 0.69 4.0 8.0 Q3 TMP102AIDRLT SOT DRL 6 250 180.0 9.2 1.78 1.78 0.69 4.0 8.
PAGE 17
PACKAGE MATERIALS INFORMATION www.ti.com 22-Oct-2008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TMP102AIDRLR SOT DRL 6 4000 202.0 201.0 28.0 TMP102AIDRLT SOT DRL 6 250 202.0 201.0 28.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.