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AD5112 Datasheet(PDF) 17 Page - Analog Devices

Part No. AD5112
Description  Single-Channel, 128-/64-/32-Position, I2C, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5112 Datasheet(HTML) 17 Page - Analog Devices

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Data Sheet
AD5110/AD5112/AD5114
Rev. 0 | Page 17 of 28
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
–1
1
3
5
TIME (µs)
7
9
VDD = 5V
VA = VDD
VB = GND
10kΩ
80kΩ
5kΩ
Figure 29. Maximum Transition Glitch
0
0.2
0.4
0.6
0.8
1.0
1.2
0
0.0005
0.0010
0.0015
0.0020
0.0025
–400
–500
–600
–300 –200 –100
0
100
200
300
400
500
600
RESISTOR DRIFT (ppm)
Figure 30. Resistor Lifetime Drift
–70
–60
–50
–40
–30
–20
–10
0
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
5k
10k
80k
VDD = 5V ± 10% AC
VA = 4V
VB = GND
HALF SCALE
TA = 25°C
Figure 31. Power Supply Rejection Ratio (PSRR) vs. Frequency
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
10kΩ
80kΩ
5kΩ
2.5
0.6
1.2
1.8
0
TIME (µs)
VDD = 5V
VA = VDD
VB = GND
Figure 32. Digital Feedthrough
–70
–60
–50
–40
–30
–20
–10
0
1k
10k
1M
10M
FREQUENCY (Hz)
5k
10k
80k
Figure 33. Shutdown Isolation vs. Frequency
0
1
2
3
4
5
6
7
10k
80k
5k
0
20
40
60
CODE (Decimal)
80
100
120
0
10
20
30
40
50
60
0
5
10
15
20
25
30
AD5110
AD5112
AD5114
Figure 34. Theoretical Maximum Current vs. Code


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