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參數(shù)資料
| 型號(hào)： | AD5228EVAL |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 32-Position Manual Up/Down Control Potentiometer |
| 中文描述： | 32工位手冊(cè)上/下控制電位器 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 341K |
| 代理商： | AD5228EVAL |
AD5228
ELECTRICAL CHARACTERISTICS
10 k, 50 k, 100 k versions: V
DD
= 3 V ± 10% or 5 V ± 10%, V
A
= V
DD
, V
B
= 0 V, 40°C < T
A
< +105°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Rev. 0 | Page 3 of 20
Conditions
Min
Typ
1
Max
Unit
DC CHARACTERISTICS, RHEOSTAT MODE
Resistor Differential Nonlinearity
2
R-DNL
R
WB
, A terminal = no connect
0.5
±0.05
+0.5
LSB
Resistor Integral Nonlinearity
2
R-INL
R
WB
, A terminal = no connect
0.5
±0.1
+0.5
LSB
Nominal Resistor Tolerance
3
R
AB
/R
AB
20
+20
%
Resistance Temperature Coefficient
(R
AB
/R
AB
) × 10
4
/T
35
ppm/°C
Wiper Resistance
R
W
V
DD
= 2.7 V
100
200
V
DD
= 5.5 V
50
DC CHARACTERISTICS, POTENTIOMETER DIVIDER MODE
(Specifications apply to all RDACs)
Resolution
N
5
Bits
Integral Nonlinearity
3
INL
0.5
±0.05
+0.5
LSB
Differential Nonlinearity
3, 5
DNL
0.5
±0.05
+0.5
LSB
Voltage Divider Temperature Coefficient
(V
W
/V
W
) × 10
4
/T
Midscale
5
ppm/°C
Full-Scale Error
V
WFSE
≥+15 steps from midscale
1
0.5
0
LSB
Zero-Scale Error
V
WZSE
≤16 steps from midscale
0
0.3
0.5
LSB
RESISTOR TERMINALS
Voltage Range
6
V
A, B, W
With respect to GND
0
V
DD
V
Capacitance
4
A, B
C
A, B
f = 1 MHz, measured to GND
140
pF
Capacitance
4
W
C
W
f = 1 MHz, measured to GND
150
pF
Common-Mode Leakage
I
CM
V
A
= V
B
= V
W
1
nA
PU, PD INPUTS
Input High
V
IH
V
DD
= 5 V
2.4
5.5
V
Input Low
V
IL
V
DD
= 5 V
0
0.8
V
Input Current
I
I
V
IN
= 0 V or 5 V
±1
μA
Input Capacitance
4
C
I
5
pF
POWER SUPPLIES
Power Supply Range
V
DD
V
DD
= 5 V, PU = PD = V
DD
2.7
5.5
V
Supply Standby Current
I
DD_STBY
0.4
3
μA
Supply Active Current
7
I
DD_ACT
V
DD
= 5 V, PU or PD = 0 V
50
110
μA
Power Dissipation
7, 8
P
DISS
V
DD
= 5 V
17
μW
Power Supply Sensitivity
PSSR
V
DD
= 5 V ± 10%
0.01
0.05
%/%
Footnotes on next page.
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