参数资料
型号: ADA4940-1ACPZ-RL
厂商: Analog Devices Inc
文件页数: 11/33页
文件大小: 0K
描述: IC DIFF ADC DVR 18BIT LN 16LFCSP
标准包装: 5,000
放大器类型: 差分
电路数: 1
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: 16-VFQFN 裸露焊盘,CSP
供应商设备封装: 16-LFCSP-VQ EP(3x3)
包装: 带卷 (TR)
ADA4940-1/ADA4940-2
Data Sheet
Rev. C | Page 18 of 32
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
G = 2, RL = 1kΩ
G = 1, RL = 1kΩ
G = 1, RL = 200Ω
G = 2, RL = 200Ω
08452-
042
Figure 49. Small Signal Transient Response for Various Gains and Loads
(LFCSP)
–100
–80
–60
–40
–20
0
20
40
60
80
100
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
OU
TP
U
T
V
O
LT
A
G
E
(m
V)
TIME (ns)
VOUT, dm = 0.1V
VS = ±1.5V
VS = ±3.5V
VS = ±2.5V
08452-
043
Figure 50. Small Signal Transient Response for Various Supplies (LFCSP)
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
CDIFF = 0pF
VOUT, dm = 0.1V p-p
CCOM1 = CCOM2 = 0pF
CCOM1 = CCOM2 = 0.5pF
CCOM1 = CCOM2 = 1pF
CCOM1 = CCOM2 = 2pF
08452-
044
Figure 51. Small Signal Transient Response for Various Capacitive Loads
(LFCSP)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
OU
TP
U
T
V
OLTA
GE
(
V
)
TIME (ns)
VOUT, dm = 2V p-p
G = 1, RL = 1kΩ
G = 1, RL = 200Ω
G = 2, RL = 1kΩ
G = 2, RL = 200Ω
08452-
045
0
300
20 40 60 80 100 120 140 160 180 200 220 240 260 280
Figure 52. Large Signal Transient Response for Various Gains and Loads
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
0
20 40 60 80 100 120 140 160 180 200 220 240 260 280 300
OU
TP
U
T
V
O
LT
A
G
E
(V)
TIME (ns)
VOUT, dm = 2V p-p
VS = ±3.5V
VS = ±1.5V
VS = ±2.5V
08452-
046
Figure 53. Large Signal Transient Response for Various Supplies
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
OU
TP
U
T
V
OLTA
GE
(
V
)
TIME (ns)
CDIFF = 0pF
VOUT, dm = 2V p-p
CCOM1 = CCOM2 = 0pF
CCOM1 = CCOM2 = 0.5pF
CCOM1 = CCOM2 = 1pF
CCOM1 = CCOM2 = 2pF
08452-
047
0
300
20 40 60 80 100 120 140 160 180 200 220 240 260 280
Figure 54. Large Signal Transient Response for Various Capacitive Loads
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