参数资料
型号: ADA4940-2ACPZ-RL
厂商: Analog Devices Inc
文件页数: 13/33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)
Data Sheet
ADA4940-1/ADA4940-2
Rev. C | Page 19 of 32
100
–100
–80
–60
–40
–20
0
20
40
60
80
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
OU
TP
U
T
V
OLTA
GE
(
m
V
)
TIME (ns)
VOUT, dm = 0.1V p-p
08452-
204
LFCSP-1
LFCSP-2: CH1
LFCSP-2: CH2
SOIC-1
Figure 55. Small Signal Transient Response for Various Packages, CL = 0 pF
100
–100
0
150
OU
TP
U
T
V
OLTA
GE
(
m
V
)
TIME (ns)
–80
–60
–40
–20
0
20
40
60
80
10 20 30 40 50 60 70 80 90 100 110 120 130 140
VOUT, dm = 0.1V p-p
VS = ±1.5V
VS = ±2.5V
08452-
048
Figure 56. VOCM Small Signal Transient Response
100
–100
–80
–60
–40
–20
0
20
40
60
80
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
OU
TP
U
T
V
OLTA
GE
(
m
V
)
TIME (ns)
VOUT, dm = 0.1V p-p
08452-
206
LFCSP-1
LFCSP-2: CH1
LFCSP-2: CH2
SOIC-1
Figure 57. Small Signal Transient Response for Various Packages, CL = 2 pF
1.00
–1.00
0
300
OU
TP
U
T
V
OLTA
GE
(
V
)
TIME (ns)
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
20 40 60 80 100 120 140 160 180 200 220 240 260 280
VOUT, dm = 1V p-p
VS = ±1.5V
VS = ±2.5V
08452-
053
Figure 58. VOCM Large Signal Transient Response
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