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參數(shù)資料
| 型號： | NCT47 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | High Precision Temperature-to-Voltage Converter |
| 中文描述： | 高精度溫度至電壓轉換器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大小： | 66K |
| 代理商： | NCT47 |
NCT47
http://onsemi.com
2
ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VDD
VSS
TA
Tstg
Tsol
* Maximum Ratings are those values beyond which damage to the device may occur.
Supply Voltage
+7.0
V
Voltage on Any Pin with Respect to Supplies
(VSS – 0.3) to (VDD + 0.3)
–40 to +125
V
Operating Temperature Range
°
C
Storage Temperature Range
–55 to +150
°
C
Lead Temperature (Soldering, 10 Seconds)
+260
°
C
ELECTRICAL CHARACTERISTICS
(TA =
–40
°
C to +125
°
C, VDD = 2.7V to 4.4V, unless otherwise noted
.
)
Symbol
Characteristic
Min
Typ
Max
Unit
VDD
Supply Voltage
2.7
—
4.4
V
IQ
Supply Current, Operating
—
35
60
μ
A
AV
Average Slope of Output Voltage
—
10
—
mV/
°
C
TMPACY25
Temperature Accuracy at 25
°
C
TA = 25
°
C
TA = 125
°
C
TA = –40
°
C
–2.0
±
0.5
+2.0
°
C
TMPACY125
Temperature Accuracy
–3.0
—
+3.0
°
C
TMPACY–40
Temperature Accuracy
—
1.5
—
°
C
VOUT–40
Output Voltage at –40
°
C
—
100
—
mV
VOUT+25
Output Voltage at 25
°
C
730
750
770
mV
VOUT+125
Output Voltage at 125
°
C
1720
1750
1780
mV
IOUT
Output Source and Sink Current
100
—
—
μ
A
PIN DESCRIPTION
Pin No.
Symbol
Description
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1
DETAILED DESCRIPTION
Input Supply Voltage
2
3
Temperature Sensor Output Terminal
Ground Terminal
The NCT47 has an output voltage that varies linearly with
temperature in degrees Celsius. Figure 1 shows a plot of the
output voltage versus temperature for the NCT47. The
temperature slope is fixed at 10 mV/
°
C, and the output
voltage at 0
°
C is 500 mV.
Figure 1. Output Voltage vs. Temperature
–20
40
Temperature (
°
C)
120
125
0.1
0.5
0.3
0.9
0.7
1.3
1.1
1.7
1.5
V
VOUT = (10 mV/
°
C) (Temperature
°
C) + 500 mV
o
–40
0
20
60
80
100
–10
50
–30
10
30
70
90
110
1.75
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