參數(shù)資料
型號(hào): AD5227BUJZ10-RL72
廠商: Analog Devices, Inc.
元件分類: 數(shù)字電位計(jì)
英文描述: 64-Position Up/Down Control Digital Potentiometer
中文描述: 64工位上/下控制數(shù)字電位器
文件頁(yè)數(shù): 9/16頁(yè)
文件大小: 331K
代理商: AD5227BUJZ10-RL72
AD5227
Rev. 0 | Page 9 of 16
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
START 1 000.000Hz
10k
1M
STOP 1 000 000.000Hz
REF LEVEL
/DIV
MARKER
100 885.289Hz
100k
0
d
T
A
= 25
°
C
V
DD
= 5.5V
V
A
= 50mV rms
32 STEPS
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 18. Gain vs. Frequency vs. Code, R
AB
= 50 k
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
START 1 000.000Hz
10k
1M
STOP 1 000 000.000Hz
REF LEVEL
/DIV
MARKER
52 246.435Hz
100k
0
d
T
A
= 25
°
C
V
DD
= 5.5V
V
A
= 50mV rms
32 STEPS
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 19. Gain vs. Frequency vs. Code, R
AB
= 100 k
0
–60
–40
–20
100
1k
10k
100k
1M
0
FREQUENCY (Hz)
P
V
DD
= 5V DC
±
10% p-p AC
V
DD
= 3V DC
±
10% p-p AC
STEP = MIDSCALE, V
A
= V
DD
, V
B
= 0V
Figure 20. PSRR
200
0
10k
100
150
50
100k
10M
1M
0
FREQUENCY (Hz)
I
D
μ
A
V
DD
= 5V
V
DD
= 3V
Figure 21. I
DD
vs. CLK Frequency
1.2
0
0.2
0.4
0.6
0.8
1.0
0
8
16
24
CODE (Decimal)
32
40
48
56
64
0
T
W
R
AB
= 10k
R
AB
= 50k
R
AB
= 100k
A = OPEN
T
A
= 25
°
C
Figure 22. Maximum I
WB
vs. Code
0
CH1 2.00V
CH2
50.0mV
M 400ns
T
0.00000s
A CH2 60.0mV
V
W
1
2
VA
V
DD
= 5V
V
A
= 5V
V
B
= 0V
VB = 0V
STEP N+1
STEP N
Figure 23. Step Change Settling Time
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