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AD5258 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD5258
Description  Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5258 Datasheet(HTML) 3 Page - Analog Devices

 
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AD5258
Rev. 0 | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VDD = VLOGIC = 5 V ± 10%, or 3 V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS: RHEOSTAT MODE
Resistor Differential Nonlinearity
R-DNL
RWB, VA = no connect
LSB
1 kΩ
−1.5
±0.3
+1.5
10 kΩ/50 kΩ/100 kΩ
−0.25
±0.1
+0.25
Resistor Integral Nonlinearity
R-INL
RWB, VA = no connect
LSB
1 kΩ
−5
±0.5
+5
10 kΩ/100 kΩ
−0.5
±0.1
+0.5
50 kΩ
−0.25
±0.1
+0.25
Nominal Resistor Tolerance
TA = 25°C, VDD = 5.5 V
1 kΩ
RAB
0.9
1.5
kΩ
10 kΩ/50 kΩ/100 kΩ
∆RAB
−30
+30
%
Resistance Temperature Coefficient
(∆RAB × 106)/(RAB × ∆T)
Code = 0x00/0x20
200/15
ppm/°C
Total Wiper Resistance
RWB
Code = 0x00
75
350
DC CHARACTERISTICS:
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity
DNL
LSB
1 kΩ
−1
±0.3
+1
10 kΩ/50 kΩ/100 kΩ
−0.25
±0.1
+0.25
Integral Nonlinearity
INL
LSB
1 kΩ
−1
±0.3
+1
10 kΩ/50 kΩ/100 kΩ
−0.25
±0.1
+0.25
Full-Scale Error
VWFSE
Code = 0x3F
LSB
1 kΩ
−6
−3
0
10 kΩ
−1
−0.3
0
50 kΩ/100 kΩ
−1
−0.1
0
Zero-Scale Error
VWZSE
Code = 0x00
LSB
1 kΩ
0
3
5
10 kΩ
0
0.3
1
50 kΩ/100 kΩ
0
0.1
0.5
Voltage Divider Temperature
Coefficient
(∆VW × 106)/(VW × ∆T)
Code = 0x00/0x20
120/15
ppm/°C
RESISTOR TERMINALS
Voltage Range
VA, B, W
GND
VDD
V
Capacitance A, B
CA, B
f = 1 MHz, measured to GND,
code = 0x20
45
pF
Capacitance W
CW
f = 1 MHz, measured to GND,
code = 0x20
60
pF
Common-Mode Leakage
ICM
VA = VB = VDD/2
10
nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
0.7 × VL
VL + 0.5
V
Input Logic Low
VIL
−0.5
0.3 × VL
V
Leakage Current
IIL
µA
SDA, AD0, AD1
VIN = 0 V or 5 V
0.01
±1
SCL – Logic High
VIN = 0 V
−2.5
−1.4
+1
SCL – Logic Low
VIN = 5 V
0.01
±1
Input Capacitance
CIL
5
pF


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