参数资料
型号: ADA4940-2ACPZ-RL
厂商: Analog Devices Inc
文件页数: 7/33页
文件大小: 0K
描述: IC DIFF ADC DVR 18BIT LN 24LFCSP
标准包装: 5,000
放大器类型: 差分
电路数: 2
输出类型: 差分
转换速率: 95 V/µs
-3db带宽: 260MHz
电流 - 输入偏压: 1.1µA
电压 - 输入偏移: 60µV
电流 - 电源: 1.25mA
电流 - 输出 / 通道: 46mA
电压 - 电源,单路/双路(±): 3 V ~ 7 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 带卷 (TR)
ADA4940-1/ADA4940-2
Data Sheet
Rev. C | Page 14 of 32
–20
–130
0.01
0.1
110
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(d
Bc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
VOUT, dm = 2V p-p
HD3, G = 2
HD3, G = 1
HD2, G = 1
084
52-
023
HD2, G = 2
Figure 25. Harmonic Distortion vs. Frequency for Various Gains (LFCSP)
–20
–130
0.01
0.1
110
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(d
Bc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
VOUT, dm = 2V p-p
HD3, RL = 200
HD3, RL = 1k
HD2, RL = 1k
HD2, RL = 200
084
52-
020
Figure 26. Harmonic Distortion vs. Frequency for Various Loads (LFCSP)
–20
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
08
45
2
-02
4
0.01
0.1
1
10
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (MHz)
VOUT, dm = 2V p-p
HD2, VS = ±1.5V
HD3, VS = ±3.5V
HD3, VS = ±2.5V
HD2, VS = ±2.5V
HD3, VS = ±1.5V
HD2, VS = ±3.5V
Figure 27. Harmonic Distortion vs. Frequency for Various Supplies (LFCSP)
–20
–130
0.01
0.1
110
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(d
Bc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
084
52-
200
HD2, G = 1
HD3, G = 1
HD2, G = 2
HD3, G = 2
VOUT, dm = 2V p-p
Figure 28. Harmonic Distortion vs. Frequency vs. Gain (SOIC)
–20
–130
0.01
0.1
110
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
084
52-
201
HD2, RL = 1k
HD3, RL = 1k
HD2, RL = 200
HD3, RL = 200
VOUT, dm = 2V p-p
Figure 29. Harmonic Distortion vs. Frequency for Various Loads (SOIC)
–20
–130
0.01
0.1
110
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
084
52-
202
HD2, ±2.5V
HD3, ±2.5V
HD2, ±1.5V
HD3, ±1.5V
VOUT, dm = 2V p-p
Figure 30. Harmonic Distortion vs. Frequency for Various Supplies (SOIC)
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