参数资料
型号: ADA4940-2ACPZ-RL
厂商: Analog Devices Inc
文件页数: 9/33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 16 of 32
10
0
–120
–110
1.5
2.5
NO
RM
AL
IZ
E
D
S
P
E
CT
RUM
(
d
Bc)
FREQUENCY (MHz)
08452-
033
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.4
2.3
VOUT, dm = 2V p-p
(ENVELOPE)
Figure 37. 2 MHz Intermodulation Distortion (LFCSP)
130
40
50
60
70
80
90
100
110
120
0.1
1
10
100
CM
RR
(
d
B)
FREQUENCY (MHz)
08452-
100
SOIC
LFCSP
Figure 38. CMRR vs. Frequency
–10
–80
0.1
1
10
100
O
UT
P
UT
BAL
ANCE
(
d
B)
FREQUENCY (MHz)
–70
–60
–50
–20
–30
–40
08452-
032
VOUT, dm = 2V p-p
Figure 39. Output Balance vs. Frequency
–60
–130
0.1
1
10
100
CRO
S
T
AL
K
(
d
B)
FREQUENCY (MHz)
–120
–110
–100
–70
–80
–90
08452-
039
CHANNEL 1 TO CHANNEL 2
CHANNEL 2 TO CHANNEL 1
VOUT, dm = 2V p-p
Figure 40. Crosstalk vs. Frequency, ADA4940-2
120
20
0.1
1
10
100
P
S
RR
(
d
B)
FREQUENCY (MHz)
30
40
50
60
70
80
110
90
100
08452-
034
+PSRR
–PSRR
Figure 41. PSRR vs. Frequency
100
–40
0
–210
10k
100k
1M
10M
100M
1G
G
AI
N
(
d
B)
P
HAS
E
(
Deg
rees)
FREQUENCY (Hz)
08452-
035
–195
–180
–165
–150
–135
–120
–105
–90
–75
–60
–45
–30
–15
–30
–20
–10
0
10
20
30
40
50
60
70
80
90
Figure 42. Open-Loop Gain and Phase vs. Frequency
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