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AD5123 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD5123
Description  Quad Channel, 128-/256-Position, I2C, Nonvolatile Digital Potentiometer
Download  28 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5123 Datasheet(HTML) 3 Page - Analog Devices

 
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Data Sheet
AD5123/AD5143
Rev. B | Page 3 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—AD5123
VDD = 2.3 V to 5.5 V, VSS = 0 V; VDD = 2.25 V to 2.75 V, VSS = −2.25 V to −2.75 V; −40°C < TA < +125°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT
MODE (ALL RDACs)
Resolution
N
7
Bits
Resistor Integral Nonlinearity2
R-INL
RAB = 10 kΩ
VDD ≥ 2.7 V
−1
±0.1
+1
LSB
VDD < 2.7 V
−2.5
±1
+2.5
LSB
RAB = 100 kΩ
VDD ≥ 2.7 V
−0.5
±0.1
+0.5
LSB
VDD < 2.7 V
−1
±0.25
+1
LSB
Resistor Differential Nonlinearity2
R-DNL
−0.5
±0.1
+0.5
LSB
Nominal Resistor Tolerance
ΔRAB/RAB
−8
±1
+8
%
Resistance Temperature Coefficient3
(ΔRAB/RAB)/ΔT × 106
Code = full scale
35
ppm/°C
Wiper Resistance3
RW
Code = zero scale
RAB = 10 kΩ
55
125
RAB = 100 kΩ
130
400
Bottom Scale or Top Scale
RBS or RTS
RAB = 10 kΩ
40
80
RAB = 100 kΩ
60
230
Nominal Resistance Match
RAB1/RAB2
Code = 0xFF
−1
±0.2
+1
%
DC CHARACTERISTICS—POTENTIOMETER
DIVIDER MODE (ALL RDACs)
Integral Nonlinearity4
INL
RAB = 10 kΩ
−0.5
±0.1
+0.5
LSB
RAB = 100 kΩ
−0.25
±0.1
+0.25
LSB
Differential Nonlinearity4
DNL
−0.25
±0.1
+0.25
LSB
Full-Scale Error
VWFSE
RAB = 10 kΩ
−1.5
−0.1
LSB
RAB = 100 kΩ
−0.5
±0.1
+0.5
LSB
Zero-Scale Error
VWZSE
RAB = 10 kΩ
1
1.5
LSB
RAB = 100 kΩ
0.25
0.5
LSB
Voltage Divider Temperature
Coefficient3
(ΔVW/VW)/ΔT × 106
Code = half scale
±5
ppm/°C


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