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STLUX385ATR 데이터시트(PDF) 89 Page - STMicroelectronics

부품명 STLUX385ATR
상세설명  Digital controller for lighting and power conversion applications
PDF  99 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLUX385ATR 데이터시트(HTML) 89 Page - STMicroelectronics

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DocID024387 Rev 2
89/98
STLUX385A
Electrical characteristics
ADC accuracy characteristics at VDD/VDDA 5 V
Table 54.
ADC accuracy characteristics at VDD/VDDA 5 V
Symbol
Parameter
Conditions(1)
1.
Measured with RAIN<10 k
Ω (RAIN external series resistance interconnected between the AC signal
generator and the ADC input pin).
Typ.(2)
2.
Temperature operating: T
A
= 25 °C.
Min.(3)
3.
Data based on characterization results, not tested in production.
Max.(3)
Unit
|E
T
|
Total unadjusted error
(4)(5)(6)
4.
ADC accuracy vs. negative injection current. Injecting negative current on any of the analog input pins
should be avoided as this reduces the accuracy of the conversion being performed on another analog
input. It is recommended a Schottky diode (pin to ground) to be to added to standard analog pins which
may potentially inject negative current. Any positive injection current within the limits specified for I
INJ(PIN)
and
Σ
IINJ(PIN)
in the I/O port pin characteristic section does not affect the ADC accuracy. The ADC accuracy
parameters may be also impacted exceeding the ADC maximum input voltage V
IN1
or V
IN2
.
5.
Results in manufacturing test mode.
6.
Data aligned with trimming voltage parameters.
f
ADC
= 6 MHz
gain 1
TBD
LSB
|E
O
|
Offset error
(4)(5)(6)
0.5
|E
G
|
Gain error
(4)(5)(6)(7)
7.
Gain error evaluation with two point method.
0.4
E
O+G
Offset + gain error
(7)(8)
8.
Temperature operating range: 0 ºC
≤ T
A ≤
85 ºC.
-8.3
8.9
E
O+G
Offset + gain error
(7)(9)
9.
Temperature operating range: -25 ºC
≤ T
A ≤
105 ºC.
-10.9
10.9
E
O+G
Offset + gain error
(7)(10)
10. Temperature operating range: -40 ºC
≤ T
A
≤ 105 ºC.
-13.8
10.9
|E
D
|
Differential linearity error
(2,3,4)
0.8
|E
L
|
Integral linearity error
(4)(5)(6)
2.0
|E
T
|
Total unadjusted error
((4)(5)(6)
f
ADC
= 6 MHz
gain 4
TBD
|E
O
|
Offset error
(4)(5)(6)
1.2
|E
G
|
Gain error
(4)(5)(6)(7)
0.2
E
O+G
Offset + gain error
(7)(8)
-12.2
15.3
E
O+G
Offset + gain error
(5)(9)
-16.4
18.5
E
O+G
Offset + gain error
(7)(10)
-18.8
18.5
|ED|
Differential linearity error
(4)(5)(6)
0.8
|E
L
|
Integral linearity error
(4)(5)(6)
2.0



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