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| 型号： | ADA4857-2YCPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 20/20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 |
Data Sheet
ADA4857-1/ADA4857-2
Rev. C | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T = 25°C, G = +1, RF = 0 , and, RG open, RS = 100 for SOIC, (for G = +2, RF = RG = 499 ), unless otherwise noted.
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
008
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
G = +2
G = +5
G = +10
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
Figure 8. Small Signal Frequency Responses for Various Gains (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
009
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
RL = 1k
VOUT = 0.2V p-p
±5V
+5V
Figure 9. Small Signal Frequency Response for Various Supply Voltages (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
010
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
–40°C
+125°C
+25°C
G = +1
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
Figure 10. Small Signal Frequency Response for Various Temperatures (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
011
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
G = +2
G = +10
VS = ±5V
RL = 1k
VOUT = 2V p-p
G = +5
Figure 11. Large Signal Frequency Responses for Various Gains (LFCSP)
1
10
100
1000
07040-
012
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
NO CAP LOAD
G = +2
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
4
5
6
7
8
9
5pF
10pF
Figure 12. Small Signal Frequency Response for Various Capacitive Loads (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
013
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
VS = ±5V
RL = 100
1V p-p
4V p-p
Figure 13. Large Signal Frequency Response vs. VOUT (LFCSP)
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