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TMP125 の電気的特性と機能

TMP125のメーカーはBurr-Brown Corporationです、この部品の機能は「2C Accurate Digital Temperature Sensor」です。


製品の詳細 ( Datasheet PDF )

部品番号 TMP125
部品説明 2C Accurate Digital Temperature Sensor
メーカ Burr-Brown Corporation
ロゴ Burr-Brown Corporation ロゴ 




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TMP125 Datasheet, TMP125 PDF,ピン配置, 機能
TMP125
SBOS323 − DECEMBER 2004
2°C Accurate Digital Temperature Sensor
with SPIInterface
FEATURES
D DIGITAL OUTPUT: SPI-Compatible Interface
D RESOLUTION: 10-Bit, 0.25°C
www.DataSheet4UD.comACCURACY:
±2.0°C (max) from −25°C to +85°C
±2.5°C (max) from −40°C to +125°C
D LOW QUIESCENT CURRENT: 50µA (max)
D WIDE SUPPLY RANGE: 2.7V to 5.5V
D TINY SOT23-6 PACKAGE
D OPERATION FROM −40°C to +125°C
APPLICATIONS
D BASE STATION EQUIPMENT
D COMPUTER PERIPHERAL THERMAL
PROTECTION
D NOTEBOOK COMPUTERS
D DATA ACQUISITION SYSTEMS
D TELECOM EQUIPMENT
D OFFICE MACHINES
TMP125 RELATED PRODUCTS
FEATURES
2°C Digital Temp Sensors with Two-Wire Interface
1.5°C Digital Temp Sensors with Two-Wire Interface
1.5°C Digital Temp Sensors with SPI
1.5°C Programmable Digital Temp Sensors with SPI
PRODUCT
TMP100/101
TMP75/175
TMP121/123
TMP122/124
DESCRIPTION
The TMP125 is an SPI-compatible temperature sensor
available in the tiny SOT23-6 package. Requiring no
external components, the TMP125 is capable of
measuring temperatures within 2°C of accuracy over a
temperature range of −25°C to +85°C and 2.5°C of
accuracy over −40°C to +125°C. Low supply current, and
a supply range from 2.7V to 5.5V, make the TMP125 an
excellent candidate for low-power applications.
The TMP125 is ideal for extended thermal measurement
in a variety of communication, computer, consumer,
environmental, industrial, and instrumentation
applications.
Temperature
GND 1
Diode
Temp.
Sensor
Control
Logic
6 SO
SI 2
∆Σ
A/D
Converter
Serial
Interface
5 CS
V+ 3
OSC
Config.
and Temp.
Register
4 SCK
TMP125
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 registered trademark of Motorola. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2004, Texas Instruments Incorporated
www.ti.com

1 Page





TMP125 pdf, ピン配列
www.ti.com
ELECTRICAL CHARACTERISTICS
At TA = −40°C to +125°C and VS = +2.7V to 5.5V, unless otherwise noted.
PARAMETER
TEMPERATURE INPUT
Range
Accuracy (temperature error)
Resolution
Temperature Measurement Noise
DIGITAL INPUT/OUTPUT
Input Logic Levels:
www.DataSheet4U.com
VIH
VIL
Input Current, SI, SCK, CS
Output Logic Levels:
VOL SO
VOH SO
Input Capacitance, SI, SCK, CS
Conversion Time
Update Rate
POWER SUPPLY
Operating Range
Quiescent Current, at TA = 25°C
over Temperature
Shutdown Current
over Temperature
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance
CONDITIONS
−25°C to +85°C
−40°C to +125°C
IIN 0V = VIN = V+
ISINK = 3mA
ISOURCE = 2mA
10-Bit
IQ Serial Bus Inactive
−40°C to +125°C
qJA SOT23-6 Surface-Mount
TMP125
SBOS323 − DECEMBER 2004
TMP125
MIN
TYP
MAX
UNIT
−40
+125
°C
±0.5 ±2.0 °C
±1.0 ±2.5 °C
10 Bits
0.1 LSB
0.7(V+)
(V+)−0.4
2.7
−40
−55
−60
2.5
60
120
36
0.1
200
0.3(V+)
±1
0.4
5.5
50
60
1
1
+125
+125
+150
V
V
µA
V
V
pF
ms
ms
V
µA
µA
µA
µA
°C
°C
°C
°C/W
3


3Pages


TMP125 電子部品, 半導体
TMP125
SBOS323 − DECEMBER 2004
0.25s
0.5s
50µA (active)
20µA (idle)
www.DataSheet4U.com
Figure 2. Conversion Time and Period
www.ti.com
Timing Diagrams
The TMP125 is SPI-compatible. Figure 3 describes the
output data of the TMP125. Figure 4, Figure 5, and
Figure 6 describe the various timing requirements, with
parameters defined in Table 3.
PARAMETER
MIN MAX
SCK Period
Data In to Rising Edge SCK Setup Time
t1 100
t2 20
SCK Falling Edge to Output Data Delay
SCK Rising Edge to Input Data Hold Time
t3
t4 20
30
CS to Rising Edge SCK Set-Up Time
t5 40
CS to Output Data Delay
CS Rising Edge to Output High Impedance
t6
t7
30
30
Table 3. Timing Description
UNITS
ns
ns
ns
ns
ns
ns
ns
CS
SCK
SO
Leading
Zero
T9
T8
T7
T6
T5
T4
T3
T2
T1 T0
T0
T0
T0
T0
T0
SI
Don’t
Care
Don’t
Care
Power
Down
Figure 3. Data READ
SCK
CS
SO
t4
SCK
t2
t4
CS
SO
Figure 4. Input Data Timing Diagram
t2
6

6 Page



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