ad5231 Analog Devices, Inc., ad5231 Datasheet - Page 3

• Manufacturer Part Number: ad5231
• Description: Nonvolatile Memory, 1024-position Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS
V
Table 1.
Parameter
DC CHARACTERISTICS—
RHEOSTAT MODE
DC CHARACTERISTICS—
POTENTIOMETER DIVIDER MODE
RESISTOR TERMINALS
DIGITAL INPUTS AND OUTPUTS
DD
Resistor Differential Nonlinearity
Resistor Integral Nonlinearity
Nominal Resistor Tolerance
Resistance Temperature Coefficient
Wiper Resistance
Resolution
Differential Nonlinearity
Integral Nonlinearity
Voltage Divider Temperature
Coefficient
Full-Scale Error
Zero-Scale Error
Terminal Voltage Range
Capacitance A, B
Capacitance W
Common-Mode Leakage Current
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Output Logic High (SDO, RDY)
Output Logic Low
Input Current
Input Capacitance
Output Current
= 3 V ± 10% or 5 V ± 10%, V
5
5
5
5
3
4
3
2
SS
2
5, 6
= 0 V, V
Symbol
R-DNL
R-INL
ΔR
(ΔR
R
N
DNL
INL
(ΔV
V
V
V
C
C
I
V
V
V
V
V
V
V
V
I
C
I
CM
IL
O1
W
WFSE
WZSE
A, B, W
IH
IL
IH
IL
IH
IL
OH
OL
A, B
W
IL
A
, I
AB
= V
WB
W
O2
/R
/V
/R
AB
W
DD
WB
)/ΔT × 10
, V
)/ΔT × 10
B
= 0 V, −40°C < T
6
6
Rev. C | Page 3 of 28
Conditions
R
R
D = 0x3FF
I
code = half scale
I
code = half scale
Monotonic, T
Monotonic, T
Code = half scale
Code = full scale
Code = zero scale
f = 1 MHz, measured to GND,
code = half-scale
f = 1 MHz, measured to GND,
code = half-scale
V
With respect to GND, V
With respect to GND, V
With respect to GND, V
With respect to GND, V
With respect to GND, V
V
With respect to GND, V
V
R
(see Figure 26)
I
(see Figure 26)
V
V
V
W
W
OL
WB
WB
W
SS
SS
PULL-UP
IN
DD
DD
= 100 μA, V
= 100 μA, V
= 1.6 mA, V
= V
= −2.5 V
= −2.5 V
= 0 V or V
, V
,V
= 5 V, V
= 2.5 V, V
A
A
DD
= NC
A
= NC, monotonic
= 2.2 kΩ to 5 V
< +85°C, unless otherwise noted.
/2
SS
DD
SS
= 0 V, T
A
A
DD
DD
LOGIC
= 25°C
= −40°C or +85°C
= 0 V, T
= 5.5 V,
= 3 V,
= 5 V
A
= 25°C
DD
DD
A
DD
DD
DD
DD
= 25°C
= +2.5 V,
= +2.5 V,
= 5 V
= 5 V
= 3 V
= 3 V
Min
−1
−0.2
−40
−1
−1
−0.4
−3
0
V
2.4
2.1
2.0
4.9
SS
Typ
±1/2
600
15
50
±1/2
15
50
50
0.01
4
50
7
1
Max
+1.8
+0.2
+20
100
10
+1
+1.25
+0.4
0
1.5
V
1
0.8
0.6
0.5
0.4
±2.5
DD
AD5231
Unit
LSB
ppm/°C
Ω
Ω
Bits
LSB
LSB
LSB
% FS
V
pF
pF
μA
V
μA
pF
mA
LSB
%
ppm/°C
% FS
V
V
V
V
V
V
V
mA