AD5292 Analog Devices, AD5292 Datasheet - Page 14

• Manufacturer Part Number: AD5292
• Description: (AD5291 / AD5292) Digital Potentiometer
• Manufacturer: Analog Devices

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AD5291/AD5292
700
600
500
400
300
200
100
0
–12
–18
–24
–28
–32
–36
–40
–44
–50
–54
0
0
–4
–8
68
64
60
56
52
48
44
40
36
32
28
24
20
16
12
Figure 24. Potentiometer Mode Tempco ΔR
0
8
0.01
1
Figure 25. 20 kΩ Gain vs. Frequency vs. Code (AD5292)
Figure 26. Power Supply Rejection Ratio vs. Frequency
V
CODE = HALF SCALE
V
DD
LOGIC
/V
0.1
SS
0x200 (0x80)
0x100 (0x40)
0x080 (0x20)
0x040 (0x10)
0x020 ( 0x08)
0x010 (0x04)
0x008 (0x02)
0x004 (0x01)
0x002
= +5V
10
256
= ±15V
64
1
0x001
CODE (Decimal)
100
10
FREQUENCY (Hz)
FREQUENCY (Hz)
512
128
100
1k
1k
10k
768
192
AD5292 (AD5291)
V
V
WB
10k
DD
SS
/ΔT vs. Code
= 0V
= 30V,
100k
100k
1024
256
AD5292
AD5291
1M
1M
Rev. 0 | Page 14 of 28
8
7
6
5
4
3
2
1
0
0
0
–66
–68
–70
–72
–74
–76
–78
–80
–82
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.001
0
100
V
CODE = HALF SCALE
V
Figure 29. Theoretical Maximum Current vs. Code
DD
IN
= 1V rms
/V
SS
Figure 27. THD + Noise vs. Frequency
Figure 28. THD + Noise vs. Amplitude
256
64
= ±15V
0.01
1k
CODE (Decimal)
FREQUENCY (Hz)
AMPLITUDE (V)
512
128
0.1
10k
V
V
V
DD
A
B
768
192
V
CODE = HALF SCALE
f
= V
= V
IN
/V
1
DD
SS
= 1kHz
DD
SS
/V
= 30V/0V
SS
= ±15V,
100k
1024
256
10
AD5292
AD5291