参数资料
型号: ADA4857-1YRZ
厂商: Analog Devices Inc
文件页数: 2/20页
文件大小: 0K
描述: IC OPAMP VF ULDIST LP LN 8SOIC
标准包装: 98
放大器类型: 电压反馈
电路数: 1
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: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
产品目录页面: 768 (CN2011-ZH PDF)
ADA4857-1/ADA4857-2
Data Sheet
Rev. C | Page 10 of 20
1
10
100
1000
07040-
014
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
RL = 100
G = +2
VS = ±5V
VOUT = 0.2V p-p
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
4
5
6
7
8
9
RL = 1k
Figure 14. Small Signal Frequency Response for Various Resistive Loads (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
015
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
VS = 5V
RL = 1k
VOUT = 0.2V p-p
G = +1
G = +2
G = +10
G = +5
Figure 15. Small Signal Frequency Response for Various Gains (LFCSP)
–120
–110
–100
–90
–80
–70
–60
–50
–40
0.2
1
10
100
G = +1, HD2
G = +1, HD3
G = +2, HD2
G = +2, HD3
07040-
016
FREQUENCY (MHz)
D
IS
TOR
TION
(
dB
c
)
VS = ±5V
VOUT = 2V p-p
RL= 1k
Figure 16. Harmonic Distortion vs. Frequency and Gain (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
017
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
VS = ±5V
VOUT = 2V p-p
RL = 100
RL = 1k
Figure 17. Large Signal Frequency Response for Various Resistive Loads (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
018
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOO
P
G
AI
N
(
d
B)
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
G = +1
G = +10
G = +5
G = +2
100
VIN
RL
RT
RS
VOUT
+VS
–VS
G = +1
Figure 18. Small Signal Frequency Response for Various Gains (SOIC),
RS = 100 for G = +1
–120
–110
–100
–90
–80
–70
–60
–50
–40
0.2
1
10
100
RL = 100, HD2
RL = 100, HD3
RL = 1k, HD3
07040-
019
FREQUENCY (MHz)
D
IS
TOR
TION
(
dB
c
)
G = +1
VS = ±5V
VOUT = 2V p-p
RL = 1k, HD2
Figure 19. Harmonic Distortion vs. Frequency and Load (LFCSP)
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