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| 型号： | MAX4102ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP VIDEO LP 8-SOIC |
| 标准包装： | 2,500 |
| 应用： | 电压反馈 |
| 电路数： | 1 |
| -3db带宽： | 250MHz |
| 转换速率： | 350 V/µs |
| 电流 - 电源： | 4.6mA |
| 电流 - 输出 / 通道： | 80mA |
| 电压 - 电源，单路/双路(±)： | ±4.5 V ~ 5.5 V |
| 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-SOIC |
| 包装： | 带卷 (TR) |
MAX4102/MAX4103
250MHz, Broadcast-Quality, Low-Power
Video Op Amps
10
______________________________________________________________________________________
Driving Capacitive Loads
When driving 50
or 75 back-terminated transmission
lines, capacitive loading is not an issue. The MAX4102/
MAX4103 can typically drive 5pF and 20pF, respectively.
Figure 3a illustrates how a capacitive load influences the
amplifier’s peaking without an isolation resistor (RS).
Figure 3b shows how an isolation resistor decreases the
amplifier’s peaking. By using a small isolation resistor
between the amplifier output and the load, large capaci-
tance values may be driven without oscillation (Figure
4a). In most cases, less than 50
is sufficient. Use Figure
4b to determine the value needed in your application.
Determine the worst-case maximum capacitive load you
may encounter and select the appropriate resistor from
the graph.
Figure 3a. MAX4102 Bandwidth vs. Capacitive Load
(No Isolation Resistor (RS))
5
50
250
CAPACITIVE LOAD (pF)
ISOLATION
RESISTANCE
(
)
40
35
10
25
30
15
20
0
100
150
200
MAX4103
MAX4102
6
5
-4
0.1M
10M
1M
100M
1G
-2
-3
FREQUENCY (Hz)
GAIN
(dB)
0
2
1
-1
4
3
CL = 5pF
CL = 10pF
AVCL = +1
CL = 15pF
Figure 3b. MAX4102 Bandwidth vs. 10pF Capacitive Load and
Isolation Resistor
4
3
-6
0.1M
10M
1M
100M
1G
-4
-5
FREQUENCY (Hz)
GAIN
(dB)
-2
0
-1
-3
2
1
CL = 10pF
RS = 22
RS = 10
RS = 33
Figure 4b. Isolation vs. Capacitive Load
MAX4102
24
RS
CL
VIN
RL
Figure 4a. Using an Isolation Resistor (RS) for Large Capacitive
Loads (MAX4102)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4102EVKIT | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Evaluation Kit for the MAX4102/MAX4103 |
| MAX4103 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Analog IC |
| MAX4103ESA | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4103ESA+ | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4103ESA+T | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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