AD5233
Rev. B | Page 3 of 32
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, AND 100 kΩ VERSIONS
VDD = 3 V ± 10% or 5 V ± 10%, VSS = 0 V, VA = VDD, VB = 0 V, 40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Max
Unit
DC CHARACTERISTICS,
RHEOSTAT MODE
Resistor Differential Nonlinear
ity2R-DNL
RWB, VA = NC, monotonic
0.5
±0.1
+0.5
LSB
Resistor Integral Nonlineari
ty2R-INL
RWB, VA = NC
0.5
±0.1
+0.5
LSB
Nominal Resistor Tolerance
RAB/RAB
D = 0x3F
40
+20
%
Resistance Temperature Coefficient
(RWB/RWB)/T × 106
600
ppm/°C
Wiper Resistance
RW
IW = 100 μA, code = half scale
15
100
Ω
DC CHARACTERISTICS,
POTENTIOMETER DIVIDER MODE
Resolution
N
6
Bits
DNL
Monotonic
0.5
+0.1
+0.5
LSB
INL
0.5
+0.1
+0.5
LSB
Voltage Divider Temperature
Coefficient
(VW/VW)/T × 106
Code = half scale
15
ppm/°C
Full-Scale Error
VWFSE
Code = full scale
1.5
0
% FS
Zero-Scale Error
VWZSE
Code = zero scale
0
1.5
% FS
RESISTOR TERMINALS
VA, VB, VW
VSS
VDD
V
Capacitance A, Capacitance
B5CA, CB
f = 1 MHz, measured to GND,
code = half scale
35
pF
CW
f = 1 MHz, measured to GND,
code = half scale
35
pF
ICM
VW = VDD/2
0.015
1
μA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
With respect to GND, VDD = 5 V
2.4
V
With respect to GND, VDD = 3 V
2.1
V
With respect to GND,
VDD = 2.5 V, VSS = 2.5 V
2.0
V
Input Logic Low
VIL
With respect to GND, VDD = 5 V
0.8
V
With respect to GND, VDD = 3 V
0.6
V
With respect to GND,
VDD = 2.5 V, VSS = 2.5 V
0.5
V
Output Logic High (SDO, RDY)
VOH
RPULL-UP = 2.2 kΩ to 5 V
4.9
V
Output Logic Low
VOL
IOL = 1.6 mA, VLOGIC = 5 V
0.4
V
Input Current
IIL
VIN = 0 V or VDD
±2.5
μA
CIL
4
pF
IO1, IO2
VDD = 5 V, VSS = 0 V, TA = 25°C,
sourcing only
50
mA
VDD = 2.5 V, VSS = 0 V, TA = 25°C,
sourcing only
7
mA