TC1047VNBTRG [MICROCHIP]
SPECIALTY ANALOG CIRCUIT, PDSO3, SOT-23B, 3 PIN;
| 型号： | TC1047VNBTRG |
| 厂家： | 
MICROCHIP |
| 描述： | SPECIALTY ANALOG CIRCUIT, PDSO3, SOT-23B, 3 PIN 转换器 |
| 文件： | 总12页 (文件大小：411K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC1047/TC1047A
Precision Temperature-to-Voltage Converter
General Description
Features
• Supply Voltage Range:
- TC1047: 2.7V to 4.4V
- TC1047A: 2.5V to 5.5V
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.
• 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:
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
- 35µA Typical
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
Block Diagram
VDD = 2.5V to 5.5V
PICmicro®
• Consumer Electronics
Microcontroller
• Portable Battery Powered Equipment
VDD
Device Selection Table
A/D
Converter
TC1047A
Part Number
Package
Temp. Range
TC1047VNB 3-Pin SOT-23B -40°C to +125°C
TC1047AVNB 3-Pin SOT-23B -40°C to +125°C
VSS
Package Type
3-Pin SOT-23B*
VSS
3
TC1047
TC1047A
1
2
VDD
VOUT
Note: * 3-Pin SOT-23B is equivalent to JEDEC TO-236
2002 Microchip Technology Inc.
DS21498B-page 1
TC1047/TC1047A
*Stresses above those listed under "Absolute Maximum Rat-
ings" 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. Expo-
sure to Absolute Maximum Rating conditions for extended
periods may affect device reliability.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage ......................................................+7V
Voltage on Any Pin with Respect to Supplies
..................................................V -0.3 to V +0.3V
SS
DD
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
TA = -40°C to +125°C
Symbol
VDD
Parameter
Supply Voltage
Min
Typ
Max
Units
Test Conditions
TC1047
TC1047A
2.7
2.5
—
—
4.4
5.5
V
IQ
Supply Current, Operating
Average Slope of Output Voltage
Temperature Accuracy
—
—
35
10
60
—
µA
AV
mV/°C
TMPACY
-2
-3
—
±0.5
±0.5
1.0
+2
+3
—
°C
°C
°C
T
T
T
A = 25°C
A = +125°C
A = -40°C
A = -40°C
A = 25°C
A = +125°C
VOUT
Output Voltage
—
730
1720
100
750
1750
—
770
1780
mV
mV
mV
T
T
T
IOUT
Output Source and Sink Current
100
—
—
µA
DS21498B-page 2
2002 Microchip Technology Inc.
TC1047/TC1047A
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin No.
(3-Pin SOT-23B)
Symbol
Description
1
2
3
V
Input Supply Voltage
DD
V
Temperature Sensor Output Terminal
Ground Terminal
OUT
V
SS
2002 Microchip Technology Inc.
DS21498B-page 3
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.
FIGURE 3-1: OUTPUT VOLTAGE VS. TEMPERATURE
V
OUT
= (10mV/˚C) CTemperature ˚C) + 500mV
1.75
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
-40
30
50
100
80 90 110 120
-20 -10
0
60
70
125
-30
10 20
40
TEMPERATURE (°C)
DS21498B-page 4
2002 Microchip Technology Inc.
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
V
= 2.5V
DD
0
V
= 5.5V
DD
-1
-2
-3
125
80
95
110
-40
-25
-10
5
35
50
20
65
TEMPERATURE (°C)
FIGURE 4-2: SUPPLY CURRENT VS. TEMPERATURE
50
V
= 5.5V
DD
40
30
20
10
0
V
= 2.5V
DD
-40
-25
-10
5
35
50
125
20
65
80
95
110
TEMPERATURE (°C)
2002 Microchip Technology Inc.
DS21498B-page 5
TC1047/TC1047A
5.0
PACKAGE INFORMATION
5.1
Package Marking Information
3-Pin SOT-23B
1 & 2 = part number code + temperature range and
voltage
Part Number
Code
TCM1047
AL
BL
TCM1047A
3 = year and quarter code
4 = lot ID number
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)
.055 (1.40)
.047 (1.20)
.104 (2.64)
.083 (2.10)
.024 (0.60)
.017 (0.44)
.120 (3.05)
.105 (2.67)
.007 (0.18)
.003 (0.08)
8MAX.
.040 (1.02)
.031 (0.79)
.010 (0.25)
.005 (0.13)
.004 (0.10)
.001 (0.02)
.081 (2.05)
.070 (1.78)
Dimensions: inches (mm)
2002 Microchip Technology Inc.
DS21498B-page 7
TC1047/TC1047A
NOTES:
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
Examples:
a) DSTEMPVNBTR: High Precision Temp-to-
Voltage Converter
Temperature
Range
Device:
DSTEMP:
High Precision Temp-to-Voltage Converter
DSTEMPxTR: High Precision Temp-to-Voltage Converter
(Tape and Reel)
Temperature Range:
Package:
V =
NB
-40°C to +125°C
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 recom-
mended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1. Your local Microchip sales office
2. The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277
3. 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
TC1047/TC1047A
NOTES:
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 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.
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.
2002 Microchip Technology Inc.
DS21498B-page 11
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03/01/02
DS21498B-page 12
2002 Microchip Technology Inc.
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