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PDF TC1047 Data sheet ( Hoja de datos )
| Número de pieza | TC1047 | |
| Descripción | Precision Temperature-to-Voltage Converter | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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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 25°C
• Linear Temperature Slope 10mV/°C (typ.)
• Available in 3-Pin SOT-23B Package
• Very Low Supply Current:
- 35µA Typical
Applications
• Cellular Phones
• Power Supply Thermal Shutdown
• Temperature Controlled Fans
• Temperature Measurement/Instrumentation
• Temperature Regulators
• Consumer Electronics
• Portable Battery Powered Equipment
Device Selection Table
Part Number Package
TC1047VNB 3-Pin SOT-23B
TC1047AVNB 3-Pin SOT-23B
Temp. Range
-40°C to +125°C
-40°C to +125°C
Package Type
3-Pin SOT-23B*
VSS
3
TC1047
TC1047A
12
VDD
VOUT
Note: * 3-Pin SOT-23B is equivalent to JEDEC TO-236
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 -40°C to +125°C. 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 -40°C, 500mV at 0°C, 750mV at +25°C, and
1.75V at +125°C. 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.
Block Diagram
VDD = 2.5V to 5.5V
PICmicro®
Microcontroller
VDD
TC1047A
VSS
A/D
Converter
© 2002 Microchip Technology Inc.
DS21498B-page 1
1 page  
TC1047/TC1047A
4.0 TYPICAL CHARACTERISTICS
Note:
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.
FIGURE 4-1: TEMPERATURE ACCURACY VS. TEMPERATURE
3
2
1
VDD = 2.5V
0
-1 VDD = 5.5V
-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
30
20
10
0
-40 -25 -10
5
20 35 50
TEMPERATURE (°C)
65
80 95 110 125
© 2002 Microchip Technology Inc.
DS21498B-page 5
5 Page 
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 com-
ponents in life support systems is not authorized except with
express written approval by Microchip. No licenses are con-
veyed, 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 Tech-
nology 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.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
© 2002 Microchip Technology Inc.
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® 8-bit MCUs, KEELOQ® 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.
DS21498B-page 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TC1047.PDF ] | |
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