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AD5235 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD5235 Nonvolatile Memory, Dual 1024-Position Digital Potentiometer ADI
Analog Devices ADI
AD5235 Datasheet PDF : 32 Pages
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AD5235
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—25 kΩ, 250 kΩ VERSIONS
VDD = 2.7 V to 5.5 V, VSS = 0 V; VDD = 2.5 V, VSS = −2.5 V, VA = VDD, VB = VSS, −40°C < TA < +85°C, unless otherwise noted.
These specifications apply to 25 kΩ versions with a date code 1108 or later and 250 kΩ versions with a date code 1045 or later.
Table 1.
Parameter
Symbol
Conditions
Min Typ1
Max
DC CHARACTERISTICS—RHEOSTAT
MODE (All RDACs)
Resistor Differential Nonlinearity2 R-DNL
RWB
Resistor Integral Nonlinearity2
R-INL
RWB
−1
+1
−2
+2
Nominal Resistor Tolerance
∆RAB/RAB
Resistance Temperature Coefficient (∆RAB/RAB)/∆T × 106
−8
+8
35
Wiper Resistance
RW
IW = 1 V/RWB, code = midscale
VDD = 5 V
30
60
VDD = 3 V
50
Nominal Resistance Match
RAB1/RAB2
±0.1
DC CHARACTERISTICS—
POTENTIOMETER DIVIDER MODE
(All RDACs)
Resolution
N
10
Differential Nonlinearity3
DNL
−1
+1
Integral Nonlinearity3
INL
−1
+1
Voltage Divider Temperature
(∆VW/VW)/∆T × 106 Code = midscale
15
Coefficient
Full-Scale Error
VWFSE
Code = full scale
−6
0
Zero-Scale Error
VWZSE
Code = zero scale
0
4
RESISTOR TERMINALS
Terminal Voltage Range4
Capacitance Ax, Bx5
VA, VB, VW
CA, CB
VSS
VDD
f = 1 MHz, measured to GND,
11
code = midscale
Capacitance Wx5
CW
f = 1 MHz, measured to GND,
80
code = midscale
Common-Mode Leakage Current5, 6 ICM
VW = VDD/2
0.01
±1
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
With respect to GND, VDD = 5 V
2.4
Input Logic Low
VIL
With respect to GND, VDD = 5 V
0.8
Input Logic High
VIH
With respect to GND, VDD = 3 V
2.1
Input Logic Low
VIL
With respect to GND, VDD = 3 V
0.6
Input Logic High
VIH
With respect to GND, VDD = +2.5 V, 2.0
VSS = −2.5 V
Input Logic Low
VIL
With respect to GND, VDD = +2.5 V,
0.5
VSS = −2.5 V
Output Logic High (SDO, RDY)
VOH
RPULL-UP = 2.2 kΩ to 5 V (see
4.9
Figure 38)
Output Logic Low
VOL
IOL = 1.6 mA, VLOGIC = 5 V (see
0.4
Figure 38)
Input Current
Input Capacitance5
IIL
VIN = 0 V or VDD
CIL
±1
5
Unit
LSB
LSB
%
ppm/°C
Ω
Ω
%
Bits
LSB
LSB
ppm/°C
LSB
LSB
V
pF
pF
μA
V
V
V
V
V
V
V
V
μA
pF
Rev. E | Page 4 of 32
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