參數資料
型號: EVAL-AD5111SDZ
廠商: Analog Devices Inc
文件頁數: 7/24頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD5111
標準包裝: 1
主要目的: 數字電位器
嵌入式:
已用 IC / 零件: AD5111
主要屬性: 1 通道,128 位置
次要屬性: 串行接口
已供物品: 板,CD
Data Sheet
AD5111/AD5113/AD5115
Rev. | Page 15 of 24
–60
–50
–40
–30
–10
0
10k
1M
100k
G
AI
N
(
d
B)
FREQUENCY (Hz)
–20
–80
–70
09654-
025
0x40
0x10
0x04
0x02
0x08
0x01
0x20
0x00
(0x20)
(0x08)
(0x02)
(0x01)
(0x04)
(0x00)
(0x10)
[0x10]
[0x04]
[0x01]
[0x00]
[0x02]
[0x08]
AD5111 (AD5113) [AD5115]
Figure 24. 80 k Gain vs. Frequency vs. Code
09654-
049
–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
RAB = 10k
Figure 25. 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
09654-
027
VDD = 5V
VA = 2.5V + 1VRMS
VB = 2.5V
CODE = HALF SCALE
NOISE FILTER = 22kHz
Figure 26. Total Harmonic Distortion + Noise (THD + N) vs. Frequency
0
10
20
30
40
50
60
70
BANDW
IDT
H
(
M
Hz
)
80
CODE (Decimal)
09654-
028
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
AD5111
AD5113
AD5115
Figure 27. Maximum Bandwidth vs. Code vs. Net Capacitance
0
30
60
90
INCRE
M
E
N
T
AL
W
IPER
O
N
R
ESI
S
T
ANCE
(
)
120
150
0
1
2
3
VDD (V)
4
5
6
5.5V
5V
3.3V
2.7V
2.3V
09654-
029
TA = 25°C
Figure 28. 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
09654-
030
10kΩ
5kΩ
80kΩ
VDD = 5V
VA = 2.5V + VIN
VB = 2.5V
fIN = 1kHz
CODE = HALF SCALE
NOISE FILTER = 22kHz
Figure 29. Total Harmonic Distortion + Noise (THD + N) vs. Amplitude
A
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