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AD5235 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD5235 Nonvolatile Memory, Dual 1024-Position Digital Potentiometer ADI
Analog Devices ADI
AD5235 Datasheet PDF : 32 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
AD5235
3
0
RAB = 25k
–3
RAB = 250k
–6
f–3dB = 12kHz
f–3dB = 125kHz
–9
VDD/VSS = ±2.5V
VA = 1V rms
D = MIDSCALE
–12
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 17. −3 dB Bandwidth vs. Resistance (See Figure 33)
0
CODE 0x200
–10
0x100
0x080
–20
0x040
–30
0x020
0x010
–40
0x008
0x004
0x002
–50
0x001
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 18. Gain vs. Frequency vs. Code, RAB = 25 kΩ (See Figure 33)
0
CODE 0x200
–10 0x100
0x080
–20
0x040
0x020
–30
0x010
–40 0x008
0x004
–50 0x002
0x001
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 19. Gain vs. Frequency vs. Code, RAB = 250 kΩ (See Figure 33)
0
VDD = 5V ± 10% AC
–10
VSS = 0V, VA = 4V, VB = 0V
MEASURED AT VW WITH CODE = 0x200
TA = 25°C
–20
–30
RAB = 250k
–40
RAB = 25k
–50
–60
–70
–80
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 20. PSRR vs. Frequency
VDD
VW (FULL SCALE)
10µs/DIV
VDD = 5V
VA = 5V
VB = 0V
TA = 25°C
1V/DIV
Figure 21. Power-On Reset
2.5196
2.516
VDD = VSS = 5V
CODE = 0x200 TO 0x1FF
2.512
2.508
2.504
2.500
2.496
2.492
2.488
2.484
2.4796
0
20
40
60
80
100 120
144
TIME (µs)
Figure 22. Midscale Glitch Energy, RAB = 25 kΩ
Rev. E | Page 12 of 32
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