参数资料
型号: EVAL-AD5110SDZ
厂商: Analog Devices Inc
文件页数: 8/28页
文件大小: 0K
描述: BOARD EVAL FOR AD5110
标准包装: 1
主要目的: 数字电位器
嵌入式:
已用 IC / 零件: AD5110
主要属性: 1 通道,128 位置
次要属性: I²C 接口
已供物品: 板,CD
AD5110/AD5112/AD5114
Data Sheet
Rev. B | Page 16 of 28
–60
–50
–40
–30
–10
0
10k
1M
100k
G
AI
N
(
d
B)
FREQUENCY (Hz)
–20
–80
–70
0x40
0x10
0x04
0x02
0x08
0x01
0x20
0x00
(0x20)
(0x08)
(0x02)
(0x01)
(0x04)
(0x00)
(0x10)
[0x10]
[0x04]
[0x01]
[0x00]
[0x02]
[0x08]
AD5110 (AD5112) [AD5114]
09582-
023
Figure 23. 80 k Gain vs. Frequency vs. Code
–80
–70
–60
–50
–40
–30
–20
–10
0
10k
100k
1M
10M
P
HAS
E
(
Deg
rees)
FREQUENCY (Hz)
FULL SCALE
HALF SCALE
QUARTER SCALE
AD5110
RAB = 10k
09582-
024
Figure 24. Normalized Phase Flatness vs. Frequency
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
T
HD
+
N
(
d
B)
FREQUENCY (Hz)
20
200
2k
20k
200k
10kΩ
5kΩ
80kΩ
09582-
025
VDD = 5V,
VA = 2.5V + 1VRMS
VB = 2.5V
CODE = HALF SCALE
NOISE FILTER = 22kHz
Figure 25. Total Harmonic Distortion + Noise (THD + N) vs. Frequency
0
10
20
30
40
50
60
70
BANDW
IDT
H
(
M
Hz
)
80
CODE (Decimal)
5k + 250pF
10k + 75pF
10k + 150pF
10k + 250pF
80k + 0pF
80k + 75pF
80k + 150pF
80k + 250pF
5k + 0pF
5k + 75pF
5k + 150pF
10k + 0pF
0
10
20
30
40
50
60
0
5
10
15
20
25
30
0
5
10
15
09582-
026
AD5110
AD5112
AD5114
Figure 26. Maximum Bandwidth vs. Code vs. Net Capacitance
0
30
60
90
INCRE
M
E
N
T
A
L
W
IPER
O
N
R
ESI
S
TANCE
(
)
120
150
0
1
2
3
VDD (V)
4
5
6
5.5V
5V
3.3V
2.7V
2.3V
TEMPERATURE = 25°C
09582-
027
Figure 27. Incremental Wiper On Resistance vs. VDD
T
HD
+
N
(
d
B)
AMPLITUDE (V rms)
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
0.001
0.01
0.1
1
09582-
028
10kΩ
5kΩ
80kΩ
VDD = 5V,
VA = 2.5V + VIN
VB = 2.5V
fIN = 1kHz
CODE = HALF SCALE
NOISE FILTER = 22kHz
Figure 28. Total Harmonic Distortion + Noise (THD + N) vs. Amplitude
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