AD5251 Analog Devices, AD5251 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS
1 kΩ Version. V
otherwise noted.
Table 1.
DC CHARACTERISTICS
DC CHARACTERISTIC
POTENTIOMETER DIVIDER MODE
RESISTOR TERMINALS
DIGITAL INPUTS and OUTPUTS
RHEOSTAT MODE
Parameter
Resolution
Resistor Differential
Resistor Nonlinearity
Nominal Resistor Tolerance
Resistance Temperature
Wiper Resistance
Channel Resistance Matching
Differential Nonlinearity
Integral Nonlinearity
Voltage Divider Temperature
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)
Nonlinearity
Coefficent
Coefficent
Current
5
5
2
Wx
Ax, Bx
DD
4
= 3 V ± 10% or 5 V ± 10%; V
2
3
3
Symbol
N
R-DNL
R-INL
∆R
(∆R
R
∆R
DNL
INL
(∆V
V
V
V
C
C
I
V
V
V
V
CM
W
WFSE
WZSE
A
A
W
IH
IL
OH
OL
, V
, C
AB
AB1
AB
W
/R
B
/V
B
/R
/∆R
, V
AB
W
AB
W
) × 10
AB3
) × 10
SS
6
6
/∆T
/∆T
= 0 V or V
Conditions
AD5251/AD5252
R
R
R
R
R
R
R
R
T
I
I
AD5251
AD5252
AD5251
AD5252
Code = half scale
Code = full scale, V
Code = full scale, V
Code = full scale, V
Code = full scale, V
Code = zero scale, V
Code = zero scale, V
Code = zero scale, V
Code = zero scale, V
f = 1 kHz, measured to GND,
Code = half scale
f = 1 kHz, measured to GND,
Code = half scale
V
V
V
V
R
R
W
W
A
WB
WB
WB
WB
WB
WB
WB
WB
A
DD
DD
DD
PULL-UP
PULL-UP
= 1 V/R, V
= 1 V/R, V
= 25°C
= V
, R
, R
, R
, R
, R
, R
, R
, R
/V
Rev. 0 | Page 3 of 28
= 5 V, V
= 5V, V
DD
SS
WA
WA
WA
WA
WA
WA
WA
WA
B
/V
= 2.2 kΩ to V
= 2.2 kΩ to V
= V
= 2.7 V/0 V or V
= NC, V
= NC, V
= NC, V
= NC, V
= NC, V
= NC, V
= NC, V
= NC, V
SS
DD
SS
SS
= ± 2.5 V ± 10%; V
DD
DD
/2
= 0 V
= 0 V
= 5 V
= 3 V
DD
DD
DD
DD
DD
DD
DD
DD
= 5.5 V, AD5251
= 5.5 V, AD5252
= 2.7 V, AD5251
= 2.7 V, AD5252
= 5.5 V, AD5251
= 5.5 V, AD5252
= 2.7 V, AD5251
= 2.7 V, AD5252
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 5.5 V, AD5251
= 5.5 V, AD5252
= 2.7 V, AD5251
= 2.7 V, AD5252
= 5.5 V, AD5251
= 5.5 V, AD5252
= 2.7 V, AD5251
= 2.7 V, AD5252
= 5 V, V
=5 V, V
DD
/V
SS
= ± 2.5 V
SS
SS
= 0 V
A
= 0 V
= +V
DD
, V
B
= 0 V, –40°C < T
Min
–0.5
–1
–0.75
–1.5
–0.5
–2
–1
–2
–30
–0.5
–1
–0.5
–2
–5
–16
−6
–23
0
0
0
0
V
2.4
2.1
4.9
SS
AD5251/AD5252
Typ
±0.2
±0.25
±0.3
±0.3
±0.2
±0.5
+2.5
+9
650
75
200
0.15
±0.1
±0.25
±0.2
±0.5
25
–3
–11
–4
–16
3
11
4
15
85
95
0.01
1
A
< +85°C, unless
Max
6/8
+0.5
+1
+0.75
+1.5
+0.5
+2
+4
+14
+30
130
300
+0.5
+1
+0.5
+2
0
0
0
0
5
16
6
20
V
1
0.8
0.4
DD
Unit
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
%
ppm/°C
Ω
Ω
%
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
V
pF
pF
µA
V
ppm/°C
V
V
V
V