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AD5122A Datasheet(PDF) 7 Page - Analog Devices

Part No. AD5122A
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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AD5122A Datasheet(HTML) 7 Page - Analog Devices

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Data Sheet
AD5123/AD5143
Rev. A | Page 7 of 28
Parameter
Symbol
Test Conditions/Comments
Min
Typ1
Max
Unit
RESISTOR TERMINALS
Maximum Continuous Current
IA, IB, and IW
RAB = 10 kΩ
−6
+6
mA
RAB = 100 kΩ
−1.5
+1.5
mA
Terminal Voltage Range5
VSS
VDD
V
Capacitance A, Capacitance B3
CA, CB
f = 1 MHz, measured to GND,
code = half scale
RAB = 10 kΩ
25
pF
RAB = 100 kΩ
12
pF
Capacitance W3
CW
f = 1 MHz, measured to GND,
code = half scale
RAB = 10 kΩ
12
pF
RAB = 100 kΩ
5
pF
Common-Mode Leakage Current3
VA = VW = VB
−500
±15
+500
nA
DIGITAL INPUTS
Input Logic3
High
VINH
0.7 × VDD
V
Low
VINL
0.2 × VDD
V
Input Hysteresis3
VHYST
0.1 × VDD
V
Input Current3
IIN
±1
µA
Input Capacitance3
CIN
5
pF
DIGITAL OUTPUTS
Output High Voltage3
VOH
RPULL-UP = 2.2 kΩ to VDD
VDD
V
Output Low Voltage3
VOL
ISINK = 3 mA
0.4
V
ISINK = 6 mA
0.6
V
Three-State Leakage Current
−1
+1
µA
Three-State Output Capacitance
2
pF
POWER SUPPLIES
Single-Supply Power Range
VSS = GND
2.3
5.5
V
Dual-Supply Power Range
±2.25
±2.75
V
Positive Supply Current
IDD
VIH = VDD or VIL = GND
VDD = 5.5 V
0.7
5.5
µA
VDD = 2.3 V
400
nA
Negative Supply Current
ISS
VIH = VDD or VIL = GND
−5.5
−0.7
µA
EEPROM Store Current3, 6
IDD_EEPROM_STORE
VIH = VDD or VIL = GND
2
mA
EEPROM Read Current3, 7
IDD_EEPROM_READ
VIH = VDD or VIL = GND
320
µA
Power Dissipation8
PDISS
VIH = VDD or VIL = GND
3.5
µW
Power Supply Rejection Ratio
PSRR
∆VDD/∆VSS = VDD ± 10%,
code = full scale
−66
−60
dB


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