ST7PLITE35F2B6TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST7PLITE35F2B6TR
STMicroelectronics
ST7PLITE35F2B6TR Datasheet PDF : 173 Pages
| |||
ST7LITE3xF2
ADC CHARACTERISTICS (Cont’d)
ADC Accuracy with 3V≤VDD ≤3.6V
Symbol
Parameter
|ET| Total unadjusted error
|EO| Offset error
|EG| Gain Error
|ED| Differential linearity error
|EL| Integral linearity error
Conditions
Typ
2.5
0.9
fCPU=4MHz, fADC=2MHz 1) 2)
1.3
1.8
Max 3)
6
4
4.5
3
Unit
LSB
ADC Accuracy with 4.5V≤VDD ≤5.5V
Symbol
Parameter
|ET| Total unadjusted error
|EO| Offset error
|EG| Gain Error
|ED| Differential linearity error
|EL| Integral linearity error
Conditions
Typ
2.0
0.6
fCPU=8MHz, fADC=4MHz 1) 2)
1.2
1.6
1.8
Max 3)
4
1.5
2.5
Unit
LSB
Notes:
1. Data based on characterization results over the whole temperature range, monitored in production.
2. ADC accuracy vs negative injection current: Injecting negative current on any of the analog input pins may reduce the
accuracy of the conversion being performed on another analog input.
The effect of negative injection current on robust pins is specified in section 13.11 on page 157
Any positive injection current within the limits specified for IINJ(PIN) and ΣIINJ(PIN) in Section 13.2.2 does not affect the ADC
accuracy.
3. Data based on characterization results, monitored in production to guarantee 99.73% within ± max value from -40°C
to +125°C (± 3σ distribution limits).
Figure 104. ADC Accuracy Characteristics
1023
1022
1021
Digital Result ADCDR
1LSBIDEAL
=
V-----D-----D-----–-----V----S-----S--
1024
EG
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
7
6
5
EO
4
3
2
1
(2)
ET
(3)
(1)
EL
ED
1 LSBIDEAL
ET=Total Unadjusted Error: maximum deviation
between the actual and the ideal transfer curves.
EO=Offset Error: deviation between the first actual
transition and the first ideal one.
EG=Gain Error: deviation between the last ideal
transition and the last actual one.
ED=Differential Linearity Error: maximum deviation
between actual steps and the ideal one.
EL=Integral Linearity Error: maximum deviation
between any actual transition and the end point
correlation line.
0
1234567
VSS
1021 1022 1023 1024
VDD
Vin (LSBIDEAL)
158/173
Share Link: 