参数资料
型号: ADA4857-2YCPZ-R7
厂商: Analog Devices Inc
文件页数: 4/20页
文件大小: 0K
描述: IC OPAMP VF DUAL ULDIST 16LFCSP
标准包装: 1
放大器类型: 电压反馈
电路数: 2
转换速率: 2800 V/µs
-3db带宽: 850MHz
电流 - 输入偏压: 2µA
电压 - 输入偏移: 2000µV
电流 - 电源: 5mA
电流 - 输出 / 通道: 50mA
电压 - 电源,单路/双路(±): 4.5 V ~ 10.5 V,±2.25 V ~ 5.25 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-VQFN 裸露焊盘,CSP
供应商设备封装: 16-LFCSP-VQ EP(4x4)
包装: 标准包装
产品目录页面: 768 (CN2011-ZH PDF)
其它名称: ADA4857-2YCPZ-R7DKR
ADA4857-1/ADA4857-2
Data Sheet
Rev. C | Page 12 of 20
OU
TP
U
T
V
OLTA
GE
(
V
)
07040-
026
TIME (10ns/DIV)
0.25
–0.25
–0.20
0.20
–0.15
0.15
–0.10
0.10
–0.05
0
0.05
CL = 10pF
CL = 1.5pF
VS = ±5V
RL = 1k
G = +1
Figure 26. Small Signal Transient Response for Various Capacitive Loads (LFCSP)
OU
TP
U
T
V
OLTA
GE
(
V
)
07040-
027
TIME (10ns/DIV)
0.25
–0.25
–0.20
0.20
–0.15
0.15
–0.10
0.10
–0.05
0
0.05
VS = ±5V
VS = ±2.5V
RL = 1k
G = +1
Figure 27. Small Signal Transient Response for Various Supply Voltages (LFCSP)
0.1
1
10
100
1000
0.1
1
10
100
07040-
028
FREQUENCY (MHz)
C
L
O
SED
-L
O
P
O
U
T
PU
T
I
MPED
A
N
C
E
(
)
VS = ±5V
G = +2
G = +5
Figure 28. Closed-Loop Output Impedance vs. Frequency for Various Gains
OU
TP
U
T
V
OLTA
GE
(
V
)
07040-
029
TIME (10ns/DIV)
2.0
–2.0
–1.6
1.6
–1.2
1.2
–0.8
0.8
–0.4
0
0.4
RL = 1k
RL = 100
VS = ±5V
G = +2
Figure 29. Large Signal Transient Response for Various Load Resistances (SOIC)
OU
TP
U
T
V
OLTA
GE
(
V
)
07040-
030
TIME (10ns/DIV)
2.0
–2.0
–1.6
1.6
–1.2
1.2
–0.8
0.8
–0.4
0
0.4
RL = 1k
RL = 100
VS = ±5V
G = +1
Figure 30. Large Signal Transient Response for Various Load Resistances (LFCSP)
1
10
100
1000
07040-
031
FREQUENCY (MHz)
C
L
O
SED
-L
O
P
I
N
PU
T
I
MPED
A
N
C
E
(
k)
VS = ±5V
G = +2
0.01
0.1
1
10
100
Figure 31. Closed-Loop Input Impedance vs. Frequency
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