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AD5272 Datasheet(PDF) 14 Page - Analog Devices

Part # AD5272
Description  1024-/256-Position, 1% Resistor Tolerance Error, I2C Interface and 50-TP Memory Digital Rheostat
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5272 Datasheet(HTML) 14 Page - Analog Devices

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AD5272/AD5274
Data Sheet
Rev. D | Page 14 of 28
0
5
10
15
20
25
30
35
40
45
50
0
256
512
768
1023
0
64
128
192
255
AD5272
AD5274
CODE (Decimal)
20kΩ
50kΩ
100kΩ
VDD/VSS= 5V/0V
Figure 24. Tempco ΔRWA/ΔT vs. Code
–60
–50
–40
–10
–30
–20
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 (0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
0x001
AD5272 (AD5274)
Figure 25. 20 kΩ Gain vs. Code vs. Frequency
–60
–50
–40
–10
–30
–20
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 (0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
0x001
AD5272 (AD5274)
Figure 26. 50 kΩ Gain vs. Code vs. Frequency
0
1
2
3
4
5
6
7
CODE (Decimal)
0
256
512
768
1023
0
64
128
192
255
AD5272
AD5274
VDD/VSS = 5V/0V
20kΩ
50kΩ
100kΩ
Figure 27. Theoretical Maximum Current vs. Code
–60
–70
–50
–40
–10
–30
–20
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 (0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
0x001
AD5272 (AD5274)
Figure 28. 100 kΩ Gain vs. Code vs. Frequency
FREQUENCY (Hz)
100
1k
10k
100k
VDD/VSS = 5V/0V
CODE = HALF SCALE
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
50kΩ
100kΩ
20kΩ
Figure 29. PSRR vs. Frequency



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