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AD5231 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD5231
Description  Nonvolatile Memory, 1024-Position Digital Potentiometers
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5231 Datasheet(HTML) 2 Page - Analog Devices

 
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REV. 0
–2–
AD5231–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS 10 k , 50 k , 100 k
VERSIONS
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS
RHEOSTAT MODE
Resistor Differential Nonlinearity
2
R-DNL
RWB, VA = NC, Monotonic
–1
±1/2
+1.8
LSB
Resistor Integral Nonlinearity
2
R-INL
RWB, VA = NC
–0.2
+0.2
% FS
Nominal Resistor Tolerance
RWB
D = 3FFH
–40
+20
%
Resistance Temperature Coefficient
RAB/ T
600
ppm/
°C
Wiper Resistance
RW
IW = 100
µA, V
DD = 5.5 V,
15
100
Code = Half-Scale
IW = 100
µA, V
DD = 3 V,
50
Code = Half-Scale
DC CHARACTERISTICS
POTENTIOMETER DIVIDER MODE
Resolution
N
10
Bits
Differential Nonlinearity
3
DNL
Monotonic, TA = 25
°C–1
±1/2
+1
LSB
Monotonic, TA = –40
°C or +85°C
–1
+1.25
LSB
Integral Nonlinearity
3
INL
–0.4
+0.4
% FS
Voltage Divider Temperature Coefficient
VW/ T
Code = Half-Scale
15
ppm/
°C
Full-Scale Error
VWFSE
Code = Full-Scale
–3
0
% FS
Zero-Scale Error
VWZSE
Code = Zero-Scale
0
+1.5
% FS
RESISTOR TERMINALS
Terminal Voltage Range
4
VA, B, W
VSS
VDD
V
Capacitance
5 A, B
CA, B
f = 1 MHz, Measured to GND,
50
pF
Code = Half-Scale
Capacitance
5 WC
W
f = 1 MHz, Measured to GND,
50
pF
Code = Half-Scale
Common-Mode Leakage Current
5, 6
ICM
VW = VDD/2
0.01
1
µA
DIGITAL INPUTS and OUTPUTS
Input Logic High
VIH
With Respect to GND, VDD = 5 V
2.4
V
Input Logic Low
VIL
With Respect to GND, VDD = 5 V
0.8
V
Input Logic High
VIH
With Respect to GND, VDD = 3 V
2.1
V
Input Logic Low
VIL
With Respect to GND, VDD = 3 V
0.6
V
Input Logic High
VIH
With Respect to GND,
VDD = +2.5 V, VSS = –2.5 V
2.0
V
Input Logic Low
VIL
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 k
Ω 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
Input Capacitance
5
CIL
4pF
Output Current
5
IO1, IO2
VDD = 5 V, VSS = 0 V, TA = 25
°C50
mA
VDD = 2.5 V, VSS = 0 V, TA = 25
°C7
mA
POWER SUPPLIES
Single-Supply Power Range
VDD
VSS = 0 V
2.7
5.5
V
Dual-Supply Power Range
VDD/VSS
±2.25
±2.75
V
Positive Supply Current
IDD
VIH = VDD or VIL = GND
2.7
10
µA
Programming Mode Current
IDD(PG)
VIH = VDD or VIL = GND
40
mA
Read Mode Current
7
IDD(XFR)
VIH = VDD or VIL = GND
0.3
3
9
mA
Negative Supply Current
ISS
VIH = VDD or VIL = GND,
VDD = +2.5 V, VSS = –2.5 V
0.5
10
µA
Power Dissipation
8
PDISS
VIH = VDD or VIL = GND
0.018
0.05
mW
Power Supply Sensitivity
5 I
O IOL
PSS
VDD = 5 V
± 10%
0.002
0.01
%/%
DYNAMIC CHARACTERISTICS
5, 9
Bandwidth
BW
–3 dB, R = 10 k
Ω/50 kΩ/100 kΩ
370/85/44
kHz
Total Harmonic Distortion
THDW
VA = 1 VRMS, VB = 0 V, f = 1 kHz,
RAB = 10 k
0.022
%
Total Harmonic Distortion
THDW
VA = 1 VRMS, VB = 0 V, f = 1 kHz,
RAB = 50 k
Ω, 100 kΩ
0.045
%
(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.)


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