TC1047 Microchip Technology, TC1047 Datasheet

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TC1047

Manufacturer Part Number
TC1047
Description
Precision Temperature-to-Voltage Converter
Manufacturer
Microchip Technology
Datasheet

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Features
• Supply Voltage Range:
• Wide Temperature Measurement Range:
• High Temperature Converter Accuracy:
• Linear Temperature Slope 10mV/°C (typ.)
• Available in 3-Pin SOT-23B Package
• Very Low Supply Current:
Applications
• Cellular Phones
• Power Supply Thermal Shutdown
• Temperature Controlled Fans
• Temperature Measurement/Instrumentation
• Temperature Regulators
• Consumer Electronics
• Portable Battery Powered Equipment
Device Selection Table
Package Type
©
TC1047AVNB
Part Number
- TC1047: 2.7V to 4.4V
- TC1047A: 2.5V to 5.5V
-40
± 2
- 35µA Typical
TC1047VNB
2002 Microchip Technology Inc.
Note: * 3-Pin SOT-23B is equivalent to JEDEC TO-236
o
o
C to +125
C, Max, at 25°C
Precision Temperature-to-Voltage Converter
3-Pin SOT-23B*
o
C
3-Pin SOT-23B
3-Pin SOT-23B
V
1
DD
TC1047A
Package
TC1047
V
3
SS
V
OUT
2
-40°C to +125°C
-40°C to +125°C
Temp. Range
TC1047/TC1047A
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
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
V
DD
TC1047A
= 2.5V to 5.5V
V
V
DD
SS
for a predictable temperature
Microcontroller
PICmicro
Converter
DS21498B-page 1
A/D
®

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TC1047 Summary of contents

Page 1

... 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° ...

Page 2

... Voltage on Any Pin with Respect to Supplies ..................................................V -0 Operating Temperature ...................... -40°C to +125°C Storage Temperature Range .............. -55°C to +150°C TC1047/1047A ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise specified, these specifications apply for the entire supply voltage range and for T = -40°C to +125°C A Symbol ...

Page 3

... PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Pin No. Symbol (3-Pin SOT-23B Input Supply Voltage Temperature Sensor Output Terminal OUT 3 V Ground Terminal SS 2002 Microchip Technology Inc. © TC1047/TC1047A Description DS21498B-page 3 ...

Page 4

... 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 0°C is 500mV. ...

Page 5

... FIGURE 4-1: TEMPERATURE ACCURACY VS. TEMPERATURE -40 -25 -10 FIGURE 4-2: SUPPLY CURRENT VS. TEMPERATURE -40 -25 -10 2002 Microchip Technology Inc. © TC1047/TC1047A TEMPERATURE (° TEMPERATURE (° 2. 5.5V DD 125 ...

Page 6

... TC1047/TC1047A 5.0 PACKAGE INFORMATION 5.1 Package Marking Information 3-Pin SOT-23B 1 & part number code + temperature range and voltage Part Number TCM1047 TCM1047A 3 = year and quarter code 4 = lot ID number DS21498B-page 6 Code AL BL 2002 Microchip Technology Inc. © ...

Page 7

... Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) 3-Pin SOT-23B 5.3 Package Dimensions 3-Pin SOT-23B .104 (2.64) .083 (2.10) .040 (1.02) .031 (0.79) .004 (0.10) .001 (0.02) 2002 Microchip Technology Inc. © TC1047/TC1047A User Direction of Feed P Pitch (P) Part Per Full Reel 3000 .021 (0.54) .015 (0.37) .055 (1.40) .047 (1.20) .024 (0.60) .017 (0.44) .120 (3.05) .105 (2.67) 8° ...

Page 8

... TC1047/TC1047A NOTES: DS21498B-page 8 2002 Microchip Technology Inc. © ...

Page 9

... 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. © TC1047/TC1047A Examples: a) DSTEMPVNBTR : High Precision Temp-to- ...

Page 10

... TC1047/TC1047A NOTES: DS21498B-page 10 2002 Microchip Technology Inc. © ...

Page 11

... Microchip. No licenses are con- veyed, implicitly or otherwise, under any intellectual property rights. 2002 Microchip Technology Inc. © TC1047/TC1047A Trademarks The Microchip name and logo, the Microchip logo, FilterLab microID, MPLAB, PIC, PICmicro, PICMASTER, ...

Page 12

... Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...

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