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NCT47SNT1 PDF даташит

Спецификация NCT47SNT1 изготовлена ​​​​«ON» и имеет функцию, называемую «High Precision Temperature-to-Voltage Converter».

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Номер произв NCT47SNT1
Описание High Precision Temperature-to-Voltage Converter
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NCT47SNT1 Даташит, Описание, Даташиты
NCT47
High Precision Temperature-
to-Voltage Converter
The NCT47 is linear output temperature sensor whose output
voltage is directly proportional to measured temperature. The NCT47
can accurately measure temperature from –40°C to +125°C.
For the NCT47, the output voltage range is typically 100mV at
–40°C, 500mV at 0°C, 750mV at +25°C, and 1.75V at +125°C. A
10mV/°C voltage slope allows for the wide temperature range. The
NCT47 is packaged in space saving 3–Pin SOT–23B packages,
making them ideal for space critical applications.
Features
Wide Temperature Measurement Range: –40°C to 125°C
High Temperature Converter Accuracy: ±2°C Max at 25°C
Linear Temperature Slope: 10mV/°C
2.7V to 4.4V Operating Range
Small 3–Pin SOT–23B Package
Very Low Supply Current: 35µA typical
Typical Applications
Cellular Phones
Power Supply Thermal Shutdown
Temperature–Controlled Fans
Temperature Measurement / Instrumentation
Temperature Regulators
Consumer Electronic
Portable Battery Powered Equipment
FUNCTIONAL BLOCK DIAGRAM
VDD = 2.7V to 4.4V
VDD
NCT47
VOUT
MICROCONTROLLER
A/D
CONVERTER
http://onsemi.com
SOT–23B
(TO–236)
CASE TBD
PIN CONFIGURATION
(Top View)
VDD 1
VOUT 2
3 VSS
SOT–23B*
NOTE: *SOT–23B is equivalent to JEDEC (TO–236)
ORDERING INFORMATION
Device
Package
Shipping
NCT47SNT1
SOT–23B 3000 Tape/Reel
VSS
© Semiconductor Components Industries, LLC, 2000
May, 2000 – Rev. 0
1
Publication Order Number:
NCT47/D









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NCT47SNT1 Даташит, Описание, Даташиты
NCT47
ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
VDD
Supply Voltage
VSS
Voltage on Any Pin with Respect to Supplies
TA Operating Temperature Range
Tstg Storage Temperature Range
Tsol Lead Temperature (Soldering, 10 Seconds)
* Maximum Ratings are those values beyond which damage to the device may occur.
Value
+7.0
(VSS – 0.3) to (VDD + 0.3)
–40 to +125
–55 to +150
+260
Unit
V
V
°C
°C
°C
ELECTRICAL CHARACTERISTICS (TA = –40°C to +125°C, VDD = 2.7V to 4.4V, unless otherwise noted.)
Symbol
Characteristic
Min Typ
VDD
Supply Voltage
2.7 —
IQ Supply Current, Operating
— 35
AV Average Slope of Output Voltage
— 10
TMPACY25 Temperature Accuracy at 25°C
TA = 25°C
–2.0
±0.5
TMPACY125 Temperature Accuracy
TA = 125°C
–3.0
TMPACY–40 Temperature Accuracy
TA = –40°C
1.5
VOUT–40
Output Voltage at –40°C
— 100
VOUT+25
Output Voltage at 25°C
730 750
VOUT+125
Output Voltage at 125°C
1720
1750
IOUT
Output Source and Sink Current
100 —
Max
4.4
60
+2.0
+3.0
770
1780
Unit
V
µA
mV/°C
°C
°C
°C
mV
mV
mV
µA
PIN DESCRIPTION
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DETAILED DESCRIPTION
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.
VOUT = (10 mV/°C) (Temperature °C) + 500 mV
1.75
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
–40–30–20–10 0 10 20 30 40 50 60 70 80 90 100110120 125
Temperature (°C)
Figure 1. Output Voltage vs. Temperature
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NCT47SNT1 Даташит, Описание, Даташиты
NCT47
TYPICAL CHARACTERISTICS
4
3
2
1
°
0
Vdd = 2.7V
–1 Vdd = 4.4V
–2
–3
–4
–50–40–30–20–10 0 10 20 30 40 50 60 70 80 90 100110 120130140
TEMPERATURE (C°)
Figure 2. Temperature Accuracy vs Temperature
60
50
40 Vdd = 4.4V
30
20 Vdd = 2.7V
10
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (C°)
Figure 3. Supply Current vs Temperature
TAPING FORM
Component Taping Orientation for 3–Pin SOT–23B (JEDEC TO–236)
Devices
USER DIRECTION OF FEED
DEVICE
MARKING
W = Width
of Carrier
Tape
PIN 1
P = Pitch
Standard Reel Component Orientation
(Mark Right Side Up)
Tape & Reel Specifications Table
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
SOT–23B
8 mm
4 mm
3000
Reel Size
7 inches
MARKING DIAGRAM
SOT–23B
x x YW
xx = part number code & temperature range
YW = Date Code
http://onsemi.com
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NCT47SNT1High Precision Temperature-to-Voltage ConverterON
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