Data Sheet
AD5290
ELECTRICAL CHARACTERISTICS—50 KΩ, 100 KΩ VERSIONS
VDD/VSS = 15 V 10%, VA = +VDD, VB = VSS or 0 V, −40°C < TA < +125°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS RHEOSTAT MODE
Resistor Differential NL2
Resistor Nonlinearity2
Nominal Resistor Tolerance
Resistance Temperature Coefficient3
Wiper Resistance
R-DNL
R-INL
∆RAB
RWB, VA = NC
RWB, VA = NC
TA = +25°C
−0.5
−1
−30
0.1
0.5
+0.5
+1
+30
LSB
LSB
%
ppm/°C
Ω
(∆RAB/RAB)/∆T×106 VAB = VDD, wiper = no connect
35
50
RW
100
DC CHARACTERISTICS POTENTIOMETER
DIVIDER MODE
Integral Nonlinearity4
INL
DNL
−1
−1
0.5
0.5
5
+1
+1
LSB
LSB
ppm/°C
Differential Nonlinearity4
Voltage Divider Temperature
Coefficient
(∆VW/VW)/∆T×106 Code = 0x80
Full-Scale Error
Zero-Scale Error
VWFSE
VWZSE
Code = 0xFF
Code = 0x00
−2.5
0
−1.6
+0.6
0
+1.5
LSB
LSB
RESISTOR TERMINALS
Voltage Range5
VA, B, W
CA, B
VSS
VDD
V
pF
Capacitance6 A, B
f = 1 MHz, measured to GND,
code = 0x80
f = 1 MHz, measured to GND,
code = 0x80
45
60
1
Capacitance6
CW
ICM
pF
Common-Mode Leakage
DIGITAL INPUTS AND OUTPUTS
Input Logic High (CS, CLK, SDI)
Input Logic Low (CS, CLK, SDI)
Output Logic High (SDO)
Output Logic Low (SDO)
Input Current
VA = VB = VW
nA
VIH
VIL
VOH
VOL
IIL
2.4
4.9
V
0.8
V
RPull-up = 2.2 kΩ to 5 V
IOL = 1.6 mA
VIN = 0 V or 5 V
V
V
µA
pF
0.4
1
Input Capacitance6
CIL
5
POWER SUPPLIES
Positive Supply Current
IDD
VIH = +5 V or VIL = 0 V,
VDD/VSS = 15 V
15
50
μA
Negative Supply Current
Power Dissipation7
ISS
VIH = +5 V or VIL = 0 V,
VDD/VSS = 15 V
VIH = +5 V or VIL = 0 V,
VDD/VSS = 15 V
−0.01 −1
765
0.01 +0.05
μA
PDISS
PSRR
μW
%/%
Power Supply Rejection Ratio
ΔVDD/ΔVSS = 15 V 10%
−0.05
Rev. C | Page 5 of 20
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