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TMP121-EP 데이터시트 PDF




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부품번호 TMP121-EP 기능
기능 ACCURATE DIGITAL TEMPERATURE SENSOR
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TMP121-EP 데이터시트, 핀배열, 회로
BurrĆBrown Products
from Texas Instruments
TMP121-EP
TMP123-EP
SGLS315 – SEPTEMBER 2005
1.5°C ACCURATE DIGITAL TEMPERATURE SENSOR WITH SPI™ INTERFACE
FEATURES
Controlled Baseline
– One Assembly/Test Site, One Fabrication
Site
Extended Temperature Performance of -40°C
to 125°C
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree (1)
Digital Output: SPI-Compatible Interface
Resolution: 12-Bit + Sign, 0.0625°C
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
Accuracy: ±1.5°C from –25°C to 85°C (max)
Low Quiescent Current: 50 µA (max)
Wide Supply Range: 2.7 V to 5.5 V
Tiny SOT23-6 Package
Operation to 150°C
APPLICATIONS
Power-Supply Temperature Monitoring
Computer Peripheral Thermal Protection
Notebook Computers
Battery Management
Environmental Monitoring
DESCRIPTION
The TMP121 and TMP123 are SPI-compatible temperature sensors available in the tiny SOT23-6 package.
Requiring no external components, the TMP121 and TMP123 are capable of measuring temperatures within 2°C
of accuracy over a temperature range of –40°C to 125°C. Low supply current and a supply range from 2.7 V to
5.5 V make the TMP121 and TMP123 excellent candidates for low-power applications.
The TMP121 and TMP123 are ideal for extended thermal measurement in a variety of communication, computer,
consumer, environmental, industrial, and instrumentation applications.
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.
SPI is a trademark of Texas Instruments.
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.
Copyright © 2005, Texas Instruments Incorporated




TMP121-EP pdf, 반도체, 판매, 대치품
TMP121-EP
TMP123-EP
SGLS315 – SEPTEMBER 2005
TYPICAL CHARACTERISTICS
At TA = 25°C and V+ = 5 V, unless otherwise noted.
www.ti.com
QUIESCENT CURRENT
vs
TEMPERATURE
50
V+ = 5V
40
30
V+ = 2.7V
20
Serial Bus Inactive
10
60 40 20 0 20 40 60 80 100 120 140
Temperature (_ C)
Figure 1.
SHUTDOWN CURRENT
vs
TEMPERATURE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.1
60 40 20
0
20 40 60 80 100 120 140
Temperature (_ C)
Figure 2.
CONVERSION TIME
vs
TEMPERATURE
400
300 V+ = 5V
200
V+ = 2.7V
100
60 40 20
12−Bit Resolution
0 20 40 60 80 100 120 140
Temperature (_ C)
Figure 3.
TEMPERATURE ACCURACY
vs
TEMPERATURE
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
3 Typical Units 12−Bit Resolution
2.0
60 40 20 0 20 40 60 80 100 120 140 160
Temperature (_ C)
Figure 4.
4

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TMP121-EP 전자부품, 판매, 대치품
www.ti.com
TMP121-EP
TMP123-EP
SGLS315 – SEPTEMBER 2005
CS
SCK
SO/I Z D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3
1
Z
Z
Figure 7. Data READ
Timing Diagrams
The TMP121 and TMP123 are SPI-compatible. Figure 8 and Figure 9 describe the various timing requirements,
with parameters defined in Table 3.
Table 3. Timing Description
t1 SCK period
t2 SCK falling edge to output data delay
t3 CS to rising edge SCK set-up time
t4 CS to output data delay
t5 CS rising edge to output high impedance
MIN MAX UNIT
100 ns
30 ns
40 ns
30 ns
30 ns
SCK
CS
SO
t3
t4
t1
t2
Figure 8. Output Data Timing Diagram
SCK
SCK
CS CS
t5
SO
SO
Figure 9. High Impedance Output Timing Diagram
t5
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
TMP121-EP

1.5 Degrees C Accurate Digital Temperature Sensor w/SPI Interface

Texas Instruments
Texas Instruments
TMP121-EP

ACCURATE DIGITAL TEMPERATURE SENSOR

Burr-Brown Corporation
Burr-Brown Corporation

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