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| 型号： | MAX4105ESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP LOW NOISE 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 放大器类型： | 电压反馈 |
| 电路数： | 1 |
| 转换速率： | 1400 V/µs |
| -3db带宽： | 410MHz |
| 电流 - 输入偏压： | 32µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 20mA |
| 电流 - 输出 / 通道： | 70mA |
| 电压 - 电源，单路/双路(±)： | ±3.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°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-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1387 (CN2011-ZH PDF) |
appears inductive at high frequencies. This inductance
forms an L-C resonant circuit with the capacitive load,
which causes peaking in the frequency response and
degrades the amplifier’s phase margin.
The MAX4104/MAX4105/MAX4304/MAX4305 drive
capacitive loads up to 10pF without oscillation.
However, some peaking may occur in the frequency
domain (Figure 3). To drive larger capacitance loads or
to reduce ringing, add an isolation resistor between the
amplifier’s output and the load (Figure 4).
The value of RISO depends on the circuit’s gain and the
capacitive load (Figure 5). Figure 6 shows the
MAX4104/MAX4105/MAX4304/MAX4305 frequency
response with the isolation resistor and a capacitive
load. With higher capacitive values, bandwidth is domi-
nated by the RC network formed by RISO and CL; the
bandwidth of the amplifier itself is much higher. Also
note that the isolation resistor forms a divider that
decreases the voltage delivered to the load.
Maxim’s High-Speed Evaluation Boards
The MAX4104 evaluation kit manual shows a suggest-
ed layout for Maxim’s high-speed, single-amplifier eval-
uation boards. This board was developed using the
techniques described previously (
see Layout and
Power-Supply Bypassing section). The smallest avail-
able surface-mount resistors were used for the feed-
back and back-termination resistors to minimize the
MAX4104/MAX4105/MAX4304/MAX4305
740MHz, Low-Noise, Low-Distortion
Op Amps in SOT23-5
______________________________________________________________________________________
11
Figure 3a. MAX4104 Frequency Response with Capacitive
Load and No Isolation Resistor
30
25
-20
100k
1M
10M
100M
1G
-10
-15
FREQUENCY (Hz)
GAIN
(dB)
0
-5
10
5
20
15
CL = 10pF
CL = 5pF
CL = 15pF
25
20
-25
100k
1M
10M
100M
1G
-15
-20
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
-5
-10
5
0
15
10
CL = 5pF
CL = 15pF
CL = 10pF
Figure 3b. MAX4304 Frequency Response with Capacitive
Load and No Isolation Resistor
Figure 3d. MAX4305 Frequency Response with Capacitive
Load and No Isolation Resistor
Figure 3c. MAX4105 Frequency Response with Capacitive
Load and No Isolation Resistor
30
25
-20
100k
1M
10M
100M
1G
-10
-15
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
0
-5
10
5
20
15
CL = 5pF
CL = 15pF
CL = 10pF
25
20
-25
100k
1M
10M
100M
1G
-15
-20
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
-5
-10
5
0
15
10
CL = 5pF
CL = 15pF
CL = 10pF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4105ESA+ | 功能描述:运算放大器 - 运放 740MHz Low-Noise Low-Distortion 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 |
| MAX4105ESA+T | 功能描述:运算放大器 - 运放 740MHz Low-Noise Low-Distortion 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 |
| MAX4105ESA-T | 功能描述:运算放大器 - 运放 740MHz Low-Noise Low-Distortion 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 |
| MAX4105EUK | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX4105EUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL GP 5.5V 5PIN SOT-23 - Cut Tape Product |
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