AD5251 Analog Devices, AD5251 Datasheet - Page 5

• Manufacturer Part Number: AD5251
• Description: (AD5251 / AD5252) Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers
• Manufacturer: Analog Devices

–40°C < T
Table 2.
Parameter
DC CHARACTERISTICS
RHEOSTAT MODE
DC CHARACTERISTICS
POTENTIOMETER DIVIDER
MODE
RESISTOR TERMINALS
DIGITAL INPUTS and OUTPUTS
POWER SUPPLIES
10 kΩ, 50 kΩ, 100 kΩ Versions. V
Resolution
Resistor Differential NL
Resistor Nonlinearity
Nominal Resistor Tolerance
Resistance Temperature
Wiper Resistance
Channel Resistance Matching
Differential Nonlinearity
Integral Nonlinearity
Voltage Divider
Temperature Coefficent
Full-Scale Error
Zero-Scale Error
Voltage Range
Capacitance
Capacitance
Common-Mode Leakage
Input Logic High
Input Logic Low
Output Logic High (SDA)
Output Logic Low (SDA)
Leakage Current
A0 Leakage Current
Input Leakage Current
(Other than WP and A0)
Input Capacitance
Single-Supply Power Range
Coefficent
Current
A
< +85°C, unless otherwise noted.
5
5
Wx
Ax, Bx
4
5
2
3
2
3
Symbol
N
R-DNL
R-INL
∆R
(∆R
R
∆R
DNL
INL
(∆V
V
V
V
C
C
I
V
V
V
V
I
I
I
C
V
CM
WP
A0
I
DD
W
WFSE
WZSE
A
A
W
IH
IL
OH
OL
I
DD
, V
, C
AB
AB1
AB
W
= +3 V ± 10% or + 5 V ± 10%. V
/R
B
/V
B
/R
/∆R
, V
AB
W
AB
W
) × 10
AB2
) × 10
6
6
/∆T
/∆T
AD5251
AD5251
Conditions
AD5251/AD5252
R
R
R
R
T
I
I
R
R
AD5252
AD5252
Code = half scale
Code = full scale, AD5251
Code = full scale, AD5252
Code = zero scale, AD5251
Code = zero scale, AD5252
f = 1 kHz, measured to GND,
Code = half scale
f = 1 kHz, measured to GND,
Code = half scale
V
V
V
V
V
R
R
WP = V
A0 = GND
V
V
W
W
A
WB
WB
WB
WB
AB
AB
A
DD
DD
DD
DD
PULL-UP
PULL-UP
IN
SS
= 1 V/R, V
= 1 V/R, V
= 25°C
= V
/V
/V
= 0 V or V
= 0 V
, R
, R
, R
, R
= 10 kΩ, 50 kΩ
= 100 kΩ
=5 V, V
= 5 V, V
Rev. 0 | Page 5 of 28
SS
SS
WA
WA
WA
WA
B
= 2.2 kΩ to V
= 2.2 kΩ to V
DD
= V
= +2.7 V/0 V or V
= +2.7 V/0 V or V
= NC, AD5251
= NC, AD5252
= NC, AD5251
= NC, AD5252
SS
DD
SS
DD
DD
= 0 V
/2
DD
= 0 V
= 5 V
= 3 V
SS
= 0 V or V
DD
DD
= 5 V, V
= 5 V, V
DD
DD
/V
/V
SS
SS
DD
SS
SS
= ±2.5 V
=±2.5 V
/V
= 0 V
= 0 V
SS
= ± 2.5 V ± 10%. V
Min
−0.75
−1
−0.75
−2.5
−20
−0.5
−1
−0.5
−1.5
−1
−3
0
0
V
2.4
2.1
4.9
2.7
SS
Typ
±0.1
±0.25
±0.25
±1
650
75
200
0.15
0.05
±0.1
±0.3
±0.15
±0.5
15
−0.3
−1
0.3
1.2
85
95
0.01
5
A
1
= +V
AD5251/AD5252
DD
, V
Max
6/8
+0.75
+1
+0.75
+2.5
+20
130
300
+0.5
+1
+0.5
+1.5
0
0
1
3
V
1
0.8
0.6
0.4
5
3
±1
5.5
DD
B
= 0 V,
Unit
Bits
LSB
LSB
LSB
LSB
ppm/°C
Ω
Ω
%
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
V
pF
pF
µA
V
µA
µA
µA
pF
%
%
ppm/°C
V
V
V
V
V
V