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PDF ATS20 Data sheet ( Hoja de datos )
| Número de pieza | ATS20 | |
| Descripción | LOW-VOLTAGE ULTRA-LOW-POWER TEMPERATURE SENSOR | |
| Fabricantes | Andiglog | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ATS20 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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aTS20
New Release Specification
LOW-VOLTAGE ULTRA-LOW-POWER
TEMPERATURE SENSOR
PRODUCT SPECIFICATION
General Description
The aTS20 is a precision CMOS temperature sensor
that provides a cost-effective solution for space-
constrained applications. The output voltage ramp of
the aTS20 has a negative slope of -11.77mV/°C. With
a supply voltage of 2.4V to 6V, the aTS20 is accurate
to ± 2°C at 25°C, and to ± 3°C over the range of −40°C
to 125°C. Reducing the supply voltage to 2.4V does
not change the negative and positive temperature
extremes. As well, the aTS20 does not require
external calibration. Calibration of each device is
performed at the factory.
Features
• Extremely Low Power
• Precision Calibrated to ±2°C at 25°C
• Ultra Low Operating Current : ≤ 12μA
• Temperature Range: -40°C to 125°C
• Linear Output Ramp: -11.77mV/°C
• Output Ramp is Calibrated to Degrees Celsius
• Low Self Heating: 0.01°C typical in still air
• Uses a Single Positive Supply
• Operating Voltage Range: +2.4V to +6V
• Non-linearity: ≤ 0.8°C
Applications
• Cellular Telephones
• Computers
• Battery Management
• FAX Machines/Printers/Copiers
• Portable Medical Instruments
• HVAC
• Power Supply Modules
• Disk Drives
• Appliances
Pin Configuration
SC70 5 -lead
NC 1
5 GND
GND 2 aTS20
VOUT
3
4 VDD
actual part marking below
Accuracy vs Temperature
3
2
1
upper spec limit
0
lower spec limit
-1
-2
-3
25 125
-40 -20 0 20 40 60 80 100 120
Ordering Information
Part Number
aTS20F5
y – year, w - week
Package
5-Pin SC-70
Temperature Range
-40˚C to +125˚C
Part Marking
Ayw
How Supplied
3000 units on T&R
© Andigilog, Inc. 2003
www.andigilog.com
70A03201-004
1 page  
Typical Applications
3V
aTS20
aTS20
VTemp
100KΩ
1μF
10KΩ
3.9KΩ
IN
REF
1.75V
Serial
Analog-to-Digital
Converter
+
FB
Adjustable
Shunt Voltage
Reference
SERIAL
DATA OUT
CLOCK
ENABLE
Note: The full scale of the A-to-D Converter will typically be limited to +125˚C simply by the number of bits available in the conversion.
The aTS20 would still be capable of its full output swing.
Figure 4. Serial Output Temperature to Digital Converter
3V
aTS20
30KΩ
VTemp
_
5KΩ
+
1μF
15KΩ
IN
VREF
1.75V
Parallel Output
Analog-to-Digital
Converter
8 PARALLEL
DATA
OUTPUT
INTR
CS
RD
WR
Figure 5. Parallel Output Temperature to Digital Converter (Full Scale = +125˚C)
© Andigilog, Inc. 2003
-5-
www.andigilog.com
70A03201-004
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ATS20.PDF ] | |
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