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| TC1047/TC1047A Precision Temperature-to-Voltage Converter Features * Supply Voltage Range: - TC1047: 2.7V to 4.4V - TC1047A: 2.5V to 5.5V * Wide Temperature Measurement Range: -40oC to +125oC * High Temperature Converter Accuracy: 2oC, Max, at 25C * Linear Temperature Slope 10mV/C (typ.) * Available in 3-Pin SOT-23B Package * Very Low Supply Current: - 35A Typical General Description The TC1047 and TC1047A are linear voltage output temperature sensors whose output voltage is directly proportional to the measured temperature. The TC1047 and TC1047A can accurately measure temperature from -40C to +125C. With the TC1047, the supply voltage can vary between 2.7V and 4.4V. The power supply range of the TC1047A is from 2.5V to 5.5V. The output voltage range for these devices is typically 100mV at -40C, 500mV at 0C, 750mV at +25C, and 1.75V at +125C. A 10mV/C voltage slope output response allows for a predictable temperature measurement over a wide temperature range. The TC1047 and TC1047A are packaged in 3-Pin SOT-23B packages, making them ideal for space critical applications. Applications * * * * * * * Cellular Phones Power Supply Thermal Shutdown Temperature Controlled Fans Temperature Measurement/Instrumentation Temperature Regulators Consumer Electronics Portable Battery Powered Equipment Block Diagram VDD = 2.5V to 5.5V PICmicro(R) Microcontroller VDD Device Selection Table Part Number TC1047VNB TC1047AVNB Package 3-Pin SOT-23B 3-Pin SOT-23B Temp. Range -40C to +125C -40C to +125C TC1047A VSS A/D Converter Package Type 3-Pin SOT-23B* VSS 3 TC1047 TC1047A 1 VDD 2 VOUT Note: * 3-Pin SOT-23B is equivalent to JEDEC TO-236 2002 Microchip Technology Inc. DS21498B-page 1 (c) TC1047/TC1047A 1.0 ELECTRICAL CHARACTERISTICS *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Absolute Maximum Ratings* Supply Voltage ......................................................+7V Voltage on Any Pin with Respect to Supplies ..................................................VSS -0.3 to VDD +0.3V Operating Temperature ...................... -40C to +125C Storage Temperature Range .............. -55C to +150C TC1047/1047A ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise specified, these specifications apply for the entire supply voltage range and for TA = -40C to +125C Symbol VDD IQ AV TMPACY Parameter Supply Voltage Supply Current, Operating Average Slope of Output Voltage Temperature Accuracy Min 2.7 2.5 -- -- -2 -3 -- -- 730 1720 100 Typ -- -- 35 10 0.5 0.5 1.0 100 750 1750 -- Max 4.4 5.5 60 -- +2 +3 -- -- 770 1780 -- Units V A mV/C C C C mV mV mV A TA = 25C TA = +125C TA = -40C TA = -40C TA = 25C TA = +125C Test Conditions TC1047 TC1047A VOUT Output Voltage IOUT Output Source and Sink Current (c) DS21498B-page 2 2002 Microchip Technology Inc. TC1047/TC1047A 2.0 PIN DESCRIPTIONS PIN FUNCTION TABLE Symbol VDD VOUT VSS Input Supply Voltage Temperature Sensor Output Terminal Ground Terminal Description The descriptions of the pins are listed in Table 2-1. TABLE 2-1: Pin No. (3-Pin SOT-23B) 1 2 3 2002 Microchip Technology Inc. DS21498B-page 3 (c) TC1047/TC1047A 3.0 DETAILED DESCRIPTION The TC1047 and TC1047A have an output voltage that varies linearly with temperature in degrees Celsius. Figure 3-1 shows a plot of the output voltage versus temperature for the TC1047 and TC1047A. The temperature slope is fixed at 10mV/C, and the output voltage at 0C is 500mV. FIGURE 3-1: OUTPUT VOLTAGE VS. TEMPERATURE VOUT = (10mV/C) CTemperature C) + 500mV 1.75 1.7 1.5 VOUT (Volts) 1.3 1.1 0.9 0.7 0.5 0.3 0.1 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 TEMPERATURE (C) 125 (c) DS21498B-page 4 2002 Microchip Technology Inc. TC1047/TC1047A 4.0 Note: TYPICAL CHARACTERISTICS The graphs provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. TEMPERATURE ACCURACY VS. TEMPERATURE 3 FIGURE 4-1: 2 TEMP ACCY (C) 1 VDD = 2.5V 0 VDD = 5.5V -1 -2 -3 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C) FIGURE 4-2: SUPPLY CURRENT VS. TEMPERATURE 50 VDD = 5.5V 40 VDD = 2.5V IDD (A) 30 20 10 0 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C) 2002 Microchip Technology Inc. DS21498B-page 5 (c) TC1047/TC1047A 5.0 5.1 PACKAGE INFORMATION Package Marking Information 3-Pin SOT-23B 1 & 2 = part number code + temperature range and voltage Part Number TCM1047 TCM1047A 3 = year and quarter code 4 = lot ID number Code AL BL (c) DS21498B-page 6 2002 Microchip Technology Inc. TC1047/TC1047A 5.2 Taping Form Component Taping Orientation for 3-Pin SOT-23B (JEDEC TO-236) Devices User Direction of Feed Device Marking W PIN 1 P Standard Reel Component Orientation For TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 3-Pin SOT-23B 8 mm 4 mm 3000 7 in 5.3 Package Dimensions 3-Pin SOT-23B .021 (0.54) .015 (0.37) .104 (2.64) .083 (2.10) .055 (1.40) .047 (1.20) .024 (0.60) .017 (0.44) .120 (3.05) .105 (2.67) 8 MAX. .010 (0.25) .005 (0.13) .007 (0.18) .003 (0.08) .040 (1.02) .031 (0.79) .004 (0.10) .001 (0.02) .081 (2.05) .070 (1.78) Dimensions: inches (mm) 2002 Microchip Technology Inc. DS21498B-page 7 (c) TC1047/TC1047A NOTES: (c) DS21498B-page 8 2002 Microchip Technology Inc. TC1047/TC1047A PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. PART NO. Device X Temperature Range Examples: a) DSTEMPVNBTR: High Precision Temp-toVoltage Converter Device: DSTEMP: High Precision Temp-to-Voltage Converter DSTEMPxTR: High Precision Temp-to-Voltage Converter (Tape and Reel) Temperature Range: V= -40C to +125C Package: NB = 3-pin SOT-23B SALES AND SUPPORT Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. DS21498B-page 9 (c) TC1047/TC1047A NOTES: (c) DS21498B-page 10 2002 Microchip Technology Inc. TC1047/TC1047A Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip's products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, FilterLab, KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER, PICSTART, PRO MATE, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. dsPIC, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, MXDEV, PICC, PICDEM, PICDEM.net, rfPIC, Select Mode and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. (c) 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 and Mountain View, California in March 2002. The Company's quality system processes and procedures are QS-9000 compliant for its PICmicro (R) 8-bit MCUs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, non-volatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001 certified. 2002 Microchip Technology Inc. DS21498B-page 11 (c) WORLDWIDE SALES AND SERVICE AMERICAS Corporate Office 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: 480-792-7627 Web Address: http://www.microchip.com ASIA/PACIFIC Australia Microchip Technology Australia Pty Ltd Suite 22, 41 Rawson Street Epping 2121, NSW Australia Tel: 61-2-9868-6733 Fax: 61-2-9868-6755 Japan Microchip Technology Japan K.K. Benex S-1 6F 3-18-20, Shinyokohama Kohoku-Ku, Yokohama-shi Kanagawa, 222-0033, Japan Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Rocky Mountain 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7966 Fax: 480-792-7456 China - Beijing Microchip Technology Consulting (Shanghai) Co., Ltd., Beijing Liaison Office Unit 915 Bei Hai Wan Tai Bldg. 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Room 701, Bldg. B Far East International Plaza No. 317 Xian Xia Road Shanghai, 200051 Tel: 86-21-6275-5700 Fax: 86-21-6275-5060 Kokomo 2767 S. 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Unit 901-6, Tower 2, Metroplaza 223 Hing Fong Road Kwai Fong, N.T., Hong Kong Tel: 852-2401-1200 Fax: 852-2401-3431 Italy Microchip Technology SRL Centro Direzionale Colleoni Palazzo Taurus 1 V. Le Colleoni 1 20041 Agrate Brianza Milan, Italy Tel: 39-039-65791-1 Fax: 39-039-6899883 Toronto 6285 Northam Drive, Suite 108 Mississauga, Ontario L4V 1X5, Canada Tel: 905-673-0699 Fax: 905-673-6509 India Microchip Technology Inc. India Liaison Office Divyasree Chambers 1 Floor, Wing A (A3/A4) No. 11, O'Shaugnessey Road Bangalore, 560 025, India Tel: 91-80-2290061 Fax: 91-80-2290062 United Kingdom Arizona Microchip Technology Ltd. 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44 118 921 5869 Fax: 44-118 921-5820 03/01/02 (c) DS21498B-page 12 2002 Microchip Technology Inc. *B89412SD* |
Price & Availability of TC1047A
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