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AD5290 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD5290
Description  Compact 30V/±15V 256-Position Digital Potentiometer
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5290 Datasheet(HTML) 2 Page - Analog Devices

 
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Preliminary Technical Data
AD5290
Rev. Pr C | Page 2 of 11
ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS
(VDD/VSS = ±15V±10% or ±5V±10%, VA = +VDD, VB = VSS/0V, -40°C < TA < +105°C unless otherwise noted)
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect
–1
±0.1
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect
–2
±0.25
+2
LSB
Nominal Resistor Tolerance3
∆RAB
TA = 25°C
–30
+30
%
Resistance Temperature Coefficient
(∆RAB/RAB)/∆T*106
VAB = VDD,
Wiper = no connect
35
ppm/°C
Wiper Resistance
RW
VDD = 30 V
50
120
VDD = 5 V
200
400
DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE
Resolution
N
8
Bits
Differential Nonlinearity4
DNL
–1
±0.1
+1
LSB
Integral Nonlinearity4
INL
–1
±0.3
+1
LSB
Voltage Divider Temperature Coefficient
(∆VW/VW)/∆T*106
Code = 0x80
5
ppm/°C
Full-Scale Error
VWFSE
Code = 0xFF
–3
–1
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
1
3
LSB
RESISTOR TERMINALS
Voltage Range5
VA,B,W
VSS
VDD
V
Capacitance6 A, B
CA,B
f = 1 MHz, measured to
GND, Code = 0x80
45
pF
Capacitance6 W
CW
f = 1 MHz, measured to
GND, Code = 0x80
60
pF
Common-Mode Leakage
ICM
VA = VB = VW
1
nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
VDD = +5V or +15V
2.4
V
Input Logic Low
VIL
VDD = +5V or +15V
0.8
V
Output Logic High
VOH
RL = 2.2 kΩ to +5 V
4.9
V
Output Logic Low
VOL
IOL = 1.6mA, VLOGIC = +5V,
VDD = +15V
0.4
V
Input Current
II
VIN = 0 V or +15 V
±1
µA
Input Capacitance
CI
5
pF
POWER SUPPLIES
Power Supply Range
VDD/VSS
Dual Supply Range
±2.7
±16.5
V
Power Supply Range
VDD
Single Supply Range, VSS =
0 V
+2.7
+30
V
Supply Current6
IDD
VIH = 5 V or VIL = 0 V, VDD =
+5 V
0.1
10
µA
Supply Current
IDD
VIH = 5 V or VIL = 0 V, VDD =
+15 V
0.75
2
mA
Supply Current
ISS
VIH = 5 V or VIL = 0 V, VSS = -
5 V or –15 V
0.02
0.1
mA
Power Dissipation7
PDISS
VIH = 5 V or VIL = 0 V, VDD =
+15 V, VSS = -15 V
11
30
mW
Power Supply Sensitivity
PSS
∆V
DD = +15V ±10%, or
∆V
SS = -15V ±10%, Code =
Midscale
±0.01
±0.02
%/%
DYNAMIC CHARACTERISTICS6, 8
Bandwidth –3dB
BW
RAB = 10 kΩ/50 kΩ/100 kΩ,
Code = 0x80
525/125/60
kHz


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