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参数资料
| 型号： | AD5259EVAL2 |
| 厂商： | Analog Devices, Inc. |
| 元件分类： | 数字电位计 |
| 英文描述： | Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer |
| 中文描述： | 非易失，I2C兼容256级，数字电位器 |
| 文件页数： | 3/24页 |
| 文件大小： | 1039K |
| 代理商： | AD5259EVAL2 |
AD5259
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
DD
= V
LOGIC
= 5 V ± 10% or 3 V ± 10%; V
A
= V
DD
; V
B
= 0 V; 40°C < T
Table 1.
Parameter
DC CHARACTERISTICS:
RHEOSTAT MODE
Resistor Differential Nonlinearity
5 kΩ
10 kΩ
50 kΩ/100 kΩ
Resistor Integral Nonlinearity
5 kΩ
10 kΩ
50 kΩ/100 kΩ
Nominal Resistor Tolerance
Resistance Temperature Coefficient
Rev. A | Page 3 of 24
A
< +85°C, unless otherwise noted.
Symbol
Conditions
Min
Typ
1
Max
Unit
R-DNL
R-INL
ΔR
AB
(ΔR
AB
x 10
6
)/
(R
AB
x ΔT)
R
WB
R
WB
, V
A
= no connect
R
WB
, V
A
= no connect
T
A
= 25°C, V
DD
= 5.5 V
Code = 0x00/0x80
–1
1
0.5
–4
2
1
–30
±0.2
±0.1
±0.1
±0.3
±0.2
±0.4
500/15
+1
+1
+0.5
+4
+2
+1
+30
LSB
LSB
%
ppm/°C
Total Wiper Resistance
DC CHARACTERISTICS:
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity
5 kΩ
10 kΩ
50 kΩ/100 kΩ
Integral Nonlinearity
5 kΩ
10 kΩ
50 kΩ/100 kΩ
Full-Scale Error
5 kΩ
10 kΩ
50 kΩ/100 kΩ
Zero-Scale Error
5 kΩ
10 kΩ
50 kΩ/100 kΩ
Voltage Divider Temperature
Coefficient
RESISTOR TERMINALS
Voltage Range
Capacitance A, B
Code = 0x00
75
350
Ω
DNL
INL
V
WFSE
V
WZSE
(V
W
x 10
6
)/
(V
W
x T)
V
A, B, W
C
A, B
Code = 0xFF
Code = 0x00
Code = 0x00/0x80
–1
0.5
0.5
–1
0.5
0.5
7
4
1
0
0
0
±0.2
±0.1
±0.2
±0.2
±0.1
±0.1
3
1.5
0.4
2.5
1
0.2
60/5
+1
+0.5
+0.5
+1
+0.5
+0.5
0
0
0
4
3
0.5
LSB
LSB
LSB
LSB
ppm/°C
f = 1 MHz, measured to GND,
code = 0x80
f = 1 MHz, measured to GND,
code = 0x80
V
A
= V
B
= V
DD
/2
GND
45
V
DD
V
pF
Capacitance W
C
W
60
pF
Common-Mode Leakage
I
CM
10
nA
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