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AD5251/AD5252
Rev. 0 | Page 4 of 28
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
Leakage Current
IWP
WP = VDD
5
µA
A0 Leakage Current
IA0
A0 = GND
3
µA
Input Leakage Current (Other
than WP and A0)
II
VIN = 0 V or VDD
±1
µA
Input Capacitance5
CI
5
pF
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
5
15
µA
Negative Supply Current
ISS
VIH = VDD or VIL = GND, VDD = +2.5 V,
VSS = –2.5 V
–5
–15
µA
EEMEM Data Storing Mode
Current
IDD_STORE
VIH = VDD or VIL = GND
35
mA
EEMEM Data Restoring Mode
Current6
IDD_RESTORE
VIH = VDD or VIL = GND
2.5
mA
Power Dissipation7
PDISS
VIH = VDD = 5 V or VIL = GND
0.075
mW
Power Supply Sensitivity
PSS
∆VDD = 5 V ± 10%
−0.025
0.01
0.025
%/%
∆VDD = 3 V ± 10%
–0.04
0.02
0.04
%/%
DYNAMIC CHARACTERISTICS5, 8
Bandwidth –3 dB
BW
RAB = 1 kΩ
4
MHz
Total Harmonic Distortion
THD
VA = 1 V rms, VB = 0 V, f = 1 kHz
0.05
%
VW Settling Time
tS
VA = VDD, VB = 0 V
0.2
µs
Resistor Noise Voltage
eN_WB
RWB = 500 Ω, f = 1 kHz (thermal noise only)
3
nV/√Hz
Digital Crosstalk
CT
VA = VDD, VB = 0 V, measure VW with
adjacent RDAC making full-scale change
–80
dB
Analog Coupling
CAT
Signal input at A1 and measure the
output at W3, f = 1 kHz
–72
dB
1 Typical represents the average reading at 25°C and VDD = 5 V.
2 Resistor position nonlinearity error (R-INL) is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper
positions. R-DNL measures the relative step change from ideal between successive tap positions. Parts are guaranteed monotonic, except R-DNL of AD5252 1 kΩ
version at VDD = 2.7 V, IW = VDD/R for both VDD = 3 V or VDD = 5 V.
3 INL and DNL are measured at VW with the RDAC configured as a potentiometer divider similar to a voltage output D/A converter. VA = VDD and VB = 0 V. DNL
specification limits of ±1 LSB maximum are guaranteed monotonic operating conditions.
4 Resistor Terminals A, B, and W have no limitations on polarity with respect to each other.
5 Guaranteed by design and not subject to production test.
6 cmd 0 NOP should be activated after cmd 1 to minimize IDD_READ current consumption.
7 PDISS is calculated from IDD × VDD = 5 V.
8 All dynamic characteristics use VDD = 5 V.


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