Data Sheet
AD5232
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS
VDD = 3 V 10% or 5 V 10% and VSS = 0 V, VA = +VDD, VB = 0 V, −40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol Conditions
Specifications apply to all VRs
Min
Typ 1
Max
Unit
DC CHARACTERISTICS,
RHEOSTAT MODE
Resistor Differential Nonlinearity2
Resistor Nonlinearity2
Nominal Resistor Tolerance
Resistance Temperature Coefficient
Wiper Resistance
R-DNL
R-INL
∆RAB
∆RAB/∆T
RW
RWB, VA = NC
RWB, VA = NC
−1
−0.4
−40
1/2
+1
+0.4
+20
LSB
% FS
%
ppm/°C
Ω
600
50
200
IW = 100 µA, VDD = 5.5 V, code = 0x1E
IW = 100 µA, VDD = 3 V, code = 0x1E
100
Ω
POTENTIOMETER DIVIDER MODES
Resolution
N
8
Bits
Differential Nonlinearity3
Integral Nonlinearity3
Voltage Divider Temperature
Coefficient
DNL
INL
∆VW/ΔT
−1
−0.4
1/2
15
+1
+0.4
LSB
% FS
ppm/°C
Code = half scale
Full-Scale Error
Zero-Scale Error
VWFSE
VWZSE
Code = full scale
Code = zero scale
−3
0
0
3
% FS
% FS
RESISTOR TERMINALS
Terminal Voltage Range4
Capacitance Ax, Bx5
Capacitance Wx5
Common-Mode Leakage Current5, 6
DIGITAL INPUTS AND OUTPUTS
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Output Logic High (SDO and RDY)
Output Logic Low
Input Current
Input Capacitance5
VA, VB, VW
CA, CB
CW
VSS
VDD
V
f = 1 MHz, measured to GND, code = half-scale
f = 1 MHz, measured to GND, code = half scale
VW = VDD/2
45
60
0.01
pF
pF
µA
ICM
1
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
IIL
With respect to GND, VDD = 5 V
With respect to GND, VDD = 5 V
With respect to GND, VDD= 3 V
With respect to GND, VDD = 3 V
With respect to GND, VDD = +2.5 V, VSS = −2.5 V
With respect to GND, VDD = +2.5 V, VSS = −2.5 V
RPULL-UP = 2.2 kΩ to 5 V
2.4
2.1
2.0
4.9
V
V
V
V
V
V
V
V
0.8
0.6
0.5
4
IOL = 1.6 mA, VLOGIC = 5 V
VIN = 0 V or VDD
0.4
2.5
µA
pF
CIL
POWER SUPPLIES
Single-Supply Power Range
Dual-Supply Power Range
Positive Supply Current
Programming Mode Current
Read Mode Current7
Negative Supply Current
VDD
VDD/VSS
IDD
IDD(PG)
IDD(XFR)
ISS
VSS = 0 V
2.7
2.25
5.5
2.75
10
9
V
V
µA
mA
mA
VIH = VDD or VIL = GND
VIH = VDD or VIL = GND
VIH = VDD or VIL = GND
VIH = VDD or VIL = GND,
VDD = +2.5 V, VSS = −2.5 V
VIH = VDD or VIL = GND
∆VDD = 5 V 10%
3.5
35
3
0.9
3.5
0.018
0.002
10
0.05
0.01
µA
mW
%/%
Power Dissipation8
Power Supply Sensitivity5
PDISS
PSS
Rev. C | Page 3 of 24
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