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參數(shù)資料
| 型號： | TMP36GT9 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 溫度傳感器 |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 476K |
| 代理商： | TMP36GT9 |
REV. C
TMP35/TMP36/TMP37
–3–
ABSOLUTE MAXIMUM RATINGS
1, 2, 3
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 V
Shutdown Pin . . . . . . . . . . . . . . GND
≤
SHUTDOWN
≤
+V
S
Output Pin . . . . . . . . . . . . . . . . . . . . . . GND V
OUT
+V
S
Operating Temperature Range . . . . . . . . . .
–55
°
C to +150
°
C
Dice Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 175
°
C
Storage Temperature Range . . . . . . . . . . . .
–65
°
C to +160
°
C
Lead Temperature (Soldering, 60 sec) . . . . . . . . . . . . . 300
°
C
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation at or
above this specification is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
2
Digital inputs are protected; however, permanent damage may occur on
unpro-
tected units from high energy electrostatic fields. Keep units in conductive foam
or packaging at all times until ready to use. Use proper antistatic handling
procedures.
3
Remove power before inserting or removing units from their sockets.
Package Type
JA
JC
Unit
°
C/W
°
C/W
°
C/W
TO-92 (T9 Suffix)
SOIC-8 (S Suffix)
SOT-23 (RT Suffix)
162
158
300
120
43
180
θ
JA
is specified for device in socket (worst-case conditions).
ORDERING GUIDE
Accuracy
at 25 C
( C max)
±
2.0
±
3.0
±
2.0
±
3.0
±
3.0
±
2.0
±
3.0
±
2.0
±
3.0
±
3.0
±
2.0
±
3.0
±
2.0
±
3.0
±
3.0
Linear
Operating
Temperature Range
10
°
C to 125
°
C
10
°
C to 125
°
C
10
°
C to 125
°
C
10
°
C to 125
°
C
10
°
C to 125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
5
°
C to 100
°
C
5
°
C to 100
°
C
5
°
C to 100
°
C
5
°
C to 100
°
C
5
°
C to 100
°
C
Package
Options
1
Model
TMP35FT9
TMP35GT9
TMP35FS
TMP35GS
TMP35GRT
2
TO-92
TO-92
RN-8
RN-8
RT-5
TMP36FT9
TMP36GT9
TMP36FS
TMP36GS
TMP36GRT
2
TO-92
TO-92
RN-8
RN-8
RT-5
TMP37FT9
TMP37GT9
TMP37FS
TMP37GS
TMP37GRT
2
TO-92
TO-92
RN-8
RN-8
RT-5
NOTES
1
SOIC = Small Outline Integrated Circuit; RT = Plastic Surface Mount;
TO = Plastic.
2
Consult factory for availability.
FUNCTIONAL DESCRIPTION
An equivalent circuit for the TMP3x family of micropower,
centigrade temperature sensors is shown in Figure 2. At the
heart of the temperature sensor is a band gap core, which is
comprised of transistors Q1 and Q2, biased by Q3 to approxi-
mately 8
μ
A. The band gap core operates both Q1 and Q2 at the
same collector current level; however, since the emitter area of
Q1 is 10 times that of Q2, Q1’s V
BE
and Q2’s V
BE
are not equal
by the following relationship:
V
BE
=
V
T
×
ln
A
E,Q
1
A
E,Q
2
SHDN
+V
OUT
+V
S
3X
25 A
2X
Q2
1X
R1
R2
R3
7.5 A
Q3
2X
GND
Q4
Q1
10X
6X
Figure 2. Temperature Sensor Simplified
Equivalent Circuit
Resistors R1 and R2 are used to scale this result to produce the
output voltage transfer characteristic of each temperature sensor
and, simultaneously, R2 and R3 are used to scale Q1’s V
BE
as
an offset term in V
OUT
. Table I summarizes the differences
between the three temperature sensors’ output characteristics.
Table I. TMP3x Output Characteristics
Offset
Voltage (V)
Output Voltage
Scaling (mV/ C)
Output Voltage
@ 25 C (mV)
Sensor
TMP35
TMP36
TMP37
0
0.5
0
10
10
20
250
750
500
The output voltage of the temperature sensor is available at the
emitter of Q4, which buffers the band gap core and provides
load current drive. Q4’s current gain, working with the available
base current drive from the previous stage, sets the short-circuit
current limit of these devices to 250
μ
A.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the TMP35/TMP36/TMP37 features proprietary ESD protection circuitry, permanent damage
may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TMP37FT9 | Low Voltage Temperature Sensors |
| TMP37GRT | Low Voltage Temperature Sensors |
| TMP37GT9 | Low Voltage Temperature Sensors |
| TMP35 | Low Voltage Temperature Sensors |
| TMP35FS | Low Voltage Temperature Sensors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP36GT9Z | 功能描述:IC SENSOR TEMP 2.7/5.5 TO-92-3 RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 溫度 系列:- 其它有關(guān)文件:DS1820 Digital Thermometer 標(biāo)準(zhǔn)包裝:500 系列:- 感應(yīng)溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標(biāo)準(zhǔn)主體 供應(yīng)商設(shè)備封裝:TO-92 包裝:散裝 |
| TMP36GT9Z | 制造商:Analog Devices 功能描述:Temperature Sensor IC |
| TMP36-PT7 | 功能描述:IC SENSOR TEMP 2.7/5.5 TO-92-3 RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 溫度 系列:- 其它有關(guān)文件:DS1820 Digital Thermometer 標(biāo)準(zhǔn)包裝:500 系列:- 感應(yīng)溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標(biāo)準(zhǔn)主體 供應(yīng)商設(shè)備封裝:TO-92 包裝:散裝 |
| TMP37FS | 制造商:Analog Devices 功能描述:Temp Sensor Analog(Voltage) Serial (2-Wire) 8-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:3V TEMPERATURE SENSOR - Bulk |
| TMP37FS-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Analog(Voltage) Serial (2-Wire) 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:3V TEMPERATURE SENSOR TAPE & REEL - Tape and Reel |
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