AD5112 AD [Analog Devices], AD5112 Datasheet - Page 15

• Manufacturer Part Number: AD5112
• Manufacturer: AD [Analog Devices]

Data Sheet
Figure 26. Total Harmonic Distortion + Noise (THD + N) vs. Frequency
–100
–20
–30
–40
–50
–60
–70
–80
–10
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
0
0
10k
0
10k
20
0x40
0x20
0x10
0x08
0x04
0x02
0x01
0x00
AD5111 (AD5113) [AD5115]
Figure 25. Normalized Phase Flatness vs. Frequency
V
V
V
CODE = HALF SCALE
NOISE FILTER = 22kHz
R
DD
A
B
AB
Figure 24. 80 kΩ Gain vs. Frequency vs. Code
FULL SCALE
HALF SCALE
QUARTER SCALE
= 2.5V + 1V
= 2.5V
= 5V
= 10kΩ
(0x20)
(0x10)
(0x08)
(0x04)
(0x02)
(0x01)
(0x00)
200
[0x10]
[0x08]
[0x04]
[0x02]
[0x01]
[0x00]
RMS
100k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
100k
2k
1M
20k
5kΩ
10kΩ
80kΩ
10M
200k
1M
Rev. 0 | Page 15 of 24
Figure 29. Total Harmonic Distortion + Noise (THD + N) vs. Amplitude
80
70
60
50
40
30
20
10
0
Figure 27. Maximum Bandwidth vs. Code vs. Net Capacitance
150
120
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
90
60
30
0
0
0.001
0
T
V
V
V
f
CODE = HALF SCALE
NOISE FILTER = 22kHz
Figure 28. Incremental Wiper On Resistance vs. V
A
IN
DD
A
B
= 25°C
= 1kHz
= 2.5V + V
= 2.5V
10
5
= 5V
1
IN
20
10
5
0.01
AD5111/AD5113/AD5115
CODE (Decimal)
2
AMPLITUDE (V rms)
30
15
V
5k + 250pF
10k + 75pF
10k + 150pF
10k + 250pF
80k + 0pF
80k + 75pF
DD
3
(V)
40
20
10
0.1
4
50
25
80k + 150pF
80k + 250pF
5k + 0pF
5k + 75pF
5k + 150pF
10k + 0pF
5
60
30
15
DD
5.5V
5V
3.3V
2.7V
2.3V
5kΩ
10kΩ
80kΩ
1
AD5111
AD5113
AD5115
6