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ST7LITE49K2 Datasheet(PDF) 229 Page - STMicroelectronics

Part # ST7LITE49K2
Description  Communication interfaces
PDF  245 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE49K2 Datasheet(HTML) 229 Page - STMicroelectronics

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Electrical characteristics
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13.11.1
Amplifier output offset variation
The offset is quite sensitive to temperature variations. In order to ensure a good reliability in
measurements, the offset must be recalibrated periodically i.e. during power on or whenever
the device is reset depending on the customer application and during temperature variation.
The table below gives the typical offset variation over temperature:
13.12
Analog comparator characteristics
Table 104.
Offset variation at TA = 25 °C
Typical offset variation (LSB)
Unit
-45
-20
+25
+90
°C
-12
-7
-
+13
LSB
Table 105.
Analog comparator characteristics
Symbol
Parameter
Min
Typ
Max
Unit
VDDA
Supply range
4.5
5.5
V
VIN
Comparator input voltage range
0
VDDA
V
Temp
Temperature range
-40
125
°C
Voffset
Comparator offset error
20
mV
IDD(CMP)
Analog Comparator Consumption
120
µA
Analog Comparator Consumption
during power-down
200
pA
tpropag
Comparator propagation delay
40
ns
tstartup
Startup filter duration
5002)
ns
tstab
Stabilisation time
500
ns



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