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參數(shù)資料
| 型號： | TMP35GRT |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Low Voltage Temperature Sensors |
| 中文描述： | ANALOG TEMP SENSOR-VOLTAGE, 0.1-2V, 3Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | PLASTIC, MO-178AA, SOT-23, 5 PIN |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 476K |
| 代理商： | TMP35GRT |
REV. C
TMP35/TMP36/TMP37
–9–
The circuit in Figure 6b illustrates how a pair of TMP3x sensors
can be used with an OP193 configured as a difference amplifier
to read the difference in temperature between two locations. In
these applications, it is always possible that one temperature
sensor would be reading a temperature below that of the other
sensor. To accommodate this condition, the output of the OP193
is offset to a voltage at one-half the supply via R5 and R6. Thus,
the output voltage of the circuit is measured relative to this point,
OP193
0.1 F
2
3
4
1
7
V
@ 10mV/ C FOR TMP35/36
@ 20mV/ C FOR TMP35/36
2.7V < +V
S
< 5.5V
FOR R1 = R2 = R3 = R;
V
TEMP(AVG)
= 1 (TMP3x
1
+ TMP3x
2
+ TMP3x
3
)
3
R1
3
R4 = R6
R1
300k
R2
300k
R3
300k
TMP3x
TMP3x
TMP3x
R4
7.5k
R6
7.5k
R5
100k
R5 =
Figure 6a. Configuring Multiple Sensors for Average
Temperature Measurements
ELEMENT
R2
R4
R5
R6
TMP36
V
OUT
R1
50k
V
S
ADM660
TMP36
OP193
R2
50k
R3
R4
+3V
C1
10 F
R5
0.1 F
10 F
–3V
10 F/0.1 F
GND
NC
10 F
NC
R6
1
2
3
4
5
6
7
2
3
4
6
8
8
V
OUT
@ 1mV/ F
–40 F T
A
+257 F
258.6k
10k
47.7k
10k
Figure 5c. TMP36 Fahrenheit Thermometer Version 2
as shown in the figure. Using the TMP36, the output voltage of
the circuit is scaled by 10 mV/
°
C. To minimize error in the differ-
ence between the two measured temperatures, a common, readily
available thin-film resistor network is used for R1–R4.
TMP36
@ T1
0.1 F
0.1 F
2
3
4
6
7
OP193
1 F
V
OUT
R3
*
R4
*
R2
*
R1
*
2.7V < V
S
< 5.5V
TMP36
@ T2
R5
100k
R6
100k
V
OUT
= T2 – T1 @ 10mV/ C
V
S
2
*
R1–R4, CADDOCK T914–100k–100, OR EQUIVALENT
0.1 F
R7
100k
R8
25k
R9
25k
0 T
A
125 C
CENTERED AT
CENTERED AT
Figure 6b. Configuring Multiple Sensors for Differential
Temperature Measurements
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TMP35GRT-REEL7 | 功能描述:IC SENSOR TEMP 2.7/5.5V SOT23-5 RoHS:否 類別:傳感器，轉(zhuǎn)換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-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 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
| TMP35GRTZ-REEL7 | 功能描述:IC TEMP SENSOR CENTIGRD SOT23-5 RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-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 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
| TMP35GS | 制造商:Rochester Electronics LLC 功能描述:3V TEMPERATURE SENSOR - Bulk 制造商:Analog Devices 功能描述:IC TEMP SENSOR |
| TMP35GS-REEL | 制造商:Analog Devices 功能描述:Temp Sensor Analog(Voltage) Serial (2-Wire) 8-Pin SOIC N T/R |
| TMP35GSZ | 制造商:Analog Devices 功能描述:Temp Sensor Analog(Voltage) Serial (2-Wire) 8-Pin SOIC N |
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