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參數(shù)資料
型號： ADA4938-2ACPZ-RL
廠商： Analog Devices Inc
文件頁數(shù)： 4/28頁
文件大?。?/td> 0K
描述： IC ADC DRIVER DUAL DIFF 24LFCSP
標(biāo)準(zhǔn)包裝： 5,000
類型： ADC 驅(qū)動器
應(yīng)用： 數(shù)據(jù)采集
安裝類型： 表面貼裝
封裝/外殼： 24-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 24-LFCSP-VQ（4x4）
包裝： 帶卷 (TR)
ADA4938-1/ADA4938-2
Rev. A | Page 12 of 28
1
10
100
–40
–120
–110
–100
–90
–80
–70
–60
–50
D
IS
T
OR
T
ION
(
d
B
c
)
FREQUENCY (MHz)
HD2, VS = +5V
HD3, VS = +5V
HD2, VS = ±5V
HD3, VS = ±5V
06
59
2-
1
23
Figure 25. Harmonic Distortion vs. Frequency and Supply Voltage
1
10
100
–40
–130
–120
–100
–110
–90
–80
–70
–60
–50
D
IS
T
OR
T
ION
(
d
B
c
)
FREQUENCY (MHz)
HD2, G = +1
HD3, G = +1
HD2, G = +2
HD3, G = +2
HD2, G = +5
HD3, G = +5
06
59
2-
1
24
Figure 26. Harmonic Distortion vs. Frequency and Gain
–3.3 –2.7 –2.1 –1.5 –0.9 –0.3
0.3
0.9
1.5
2.1
2.7
3.3
–40
–130
–120
–110
–100
–90
–80
–70
–60
–50
D
IS
T
OR
TI
ON
(
d
B
c
)
VOCM (V)
HD2, 10MHz
HD3, 10MHz
HD2, 70MHz
HD3, 70MHz
06
59
2-
12
8
Figure 27. Harmonic Distortion vs. VOCM and Frequency
09
8
7
6
5
4
3
12
–40
–120
–110
–100
–90
–80
–70
–60
–50
DI
S
T
O
R
T
IO
N
(
d
Bc)
VOUT, dm (V)
HD2, +5V
HD3, +5V
HD2, ±5V
HD3, ±5V
06
59
2-
12
6
Figure 28. Harmonic Distortion vs. VOUT and Supply Voltage
1
10
100
–40
–120
–110
–100
–90
–80
–70
–60
–50
D
IS
T
OR
T
ION
(
d
B
c
)
FREQUENCY (MHz)
HD2, RL = 1k
HD3, RL = 1k
HD2, RL = 200
HD3, RL = 200
HD2, RL = 100
HD3, RL = 100
06
59
2-
1
27
Figure 29. Harmonic Distortion vs. Frequency for Various Loads
1.7
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
–40
–120
–110
–100
–90
–80
–70
–60
–50
D
IS
T
OR
TI
ON
(
d
B
c
)
VOCM (V)
06
59
2-
12
5
HD2, 10MHz
HD3, 10MHz
HD2, 70MHz
HD3, 70MHz
Figure 30. Harmonic Distortion vs. VOCM and Frequency, VS = 5 V
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