AD5291/AD5292
Rev. D | Page 6 of 32
ELECTRICAL CHARACTERISTICS—AD5292
VDD = 21 V to 33 V, VSS = 0 V; VDD = 10.5 V to 16.5 V, VSS = 10.5 V to 16.5 V; VLOGIC = 2.7 V to 5.5 V, VA = VDD, VB = VSS,
40°C < TA < +105°C, unless otherwise noted.
Table 4.
Parameter
Symbol
Conditions
Min
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resolution
N
10
Bits
Resistor Differential Nonlineari
ty2R-DNL
RWB, VA = NC
1
+1
LSB
Resistor Integral Nonlineari
ty2R-INL
RAB =50 kΩ, 100 kΩ
2
+2
LSB
R-INL
RAB =20 kΩ , |VDD VSS| = 26 V to 33 V
2
+2
LSB
R-INL
RAB =20 kΩ , |VDD VSS| = 21 V to 26 V
3
+3
LSB
Nominal Resistor Tolerance (R-Perf
Mode)3RAB/RAB
See
1
±0.5
+1
%
Nominal Resistor Tolerance (Normal
RAB/RAB
±7
%
Resistance Temperature Coefficient
(RAB/RAB)/T × 106
Code = full scale; See
35
ppm/°C
Wiper Resistance
RW
Code= zero scale
60
100
Ω
DC CHARACTERISTICS—POTENTIOMETER
DIVIDER MODE
Resolution
N
10
Bits
DNL
1
+1
LSB
INL
1.5
+1.5
LSB
Voltage Divider Temperature Coeffici
ent4(VW/VW)/T × 106
Code = half scale; See
5
ppm/°C
Full-Scale Error
VWFSE
Code = full scale
8
+1
LSB
Zero-Scale Error
VWZSE
Code = zero scale
0
8
LSB
RESISTOR TERMINALS
VA, VB, VW
VSS
VDD
V
Capacitance A, Capacitance
B6CA, CB
f = 1 MHz, measured to GND,
code = half scale
85
pF
CW
f = 1 MHz, measured to GND,
code = half scale
65
pF
ICM
VA = VB = VW
±1
nA
DIGITAL INPUTS
JEDEC compliant
VIH
VLOGIC = 2.7 V to 5.5 V
2.0
V
VIL
VLOGIC = 2.7 V to 5.5 V
0.8
V
Input Current
IIL
VIN = 0 V or VLOGIC
±1
μA
CIL
5
pF
DIGITAL OUTPUTS (SDO and RDY)
VOH
RPULL_UP = 2.2 kΩ to VLOGIC
VLOGIC 0.4
V
VOL
RPULL_UP = 2.2 kΩ to VLOGIC
GND + 0.4
V
Three-State Leakage Current
1
+1
μA
COL
5
pF
POWER SUPPLIES
Single-Supply Power Range
VDD
VSS = 0 V
9
33
V
Dual-Supply Power Range
VDD/VSS
±9
±16.5
V
Positive Supply Current
IDD
VDD/VSS = ±16.5 V
0.1
2
μA
Negative Supply Current
ISS
VDD/VSS = ±16.5 V
2
0.1
μA
Logic Supply Range
VLOGIC
2.7
5.5
V
Logic Supply Current
ILOGIC
VLOGIC = 5 V; VIH = 5 V or VIL = GND
1
10
μA
ILOGIC_PROG
VIH = 5 V or VIL = GND
25
mA
ILOGIC_FUSE_READ
VIH = 5 V or VIL = GND
25
mA
PDISS
VIH = 5 V or VIL = GND
8
110
μW
PSSR
VDD/VSS = ±15 V ± 10%
%/%
RAB = 20 kΩ
0.103
RAB = 50 kΩ
0.039
RAB = 100 kΩ
0.021