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| 型号： | MAX4270EEE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/19页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP DUAL 350MHZ 16-QSOP |
| 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： | 2 |
| 转换速率： | 900 V/µs |
| 增益带宽积： | 1GHz |
| -3db带宽： | 200MHz |
| 电流 - 输入偏压： | 3.5µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 28mA |
| 电流 - 输出 / 通道： | 45mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 8 V，±2.25 V ~ 4 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
MAX4265–MAX4270
Ultra-Low-Distortion, +5V,
400MHz Op Amps with Disable
______________________________________________________________________________________
15
5
-5
0.1M
1M
10M
100M
1G
-3
FREQUENCY (Hz)
GAIN
(dB)
-1
1
3
2
0
-2
-4
4
CL = 10pF
RISO = 12
CL = 10pF
RISO = 15
CL = 10pF
RISO = 18
Figure 4b. MAX4269 Small-Signal Gain vs. Frequency With
Isolation Resistor
4
-6
0.1M
1M
10M
100M
1G
-4
FREQUENCY (Hz)
GAIN
(dB)
-2
0
2
1
-1
-3
-5
3
CL = 22pF
RISO = 22
CL = 22pF
RISO = 3.9
CL = 22pF
RISO = 6
Figure 4c. MAX4270 Small-Signal Gain vs. Frequency With
Isolation Resistor
Power Supplies, Bypassing, and Layout
The MAX4265–MAX4270 operate from a single +4.5V
to +8.0V supply or in a dual-supply configuration.
When operating with a single supply, connect the VEE
pins directly to the ground plane. Bypass VCC to
ground with ceramic chip capacitors. Due to the
MAX4265–MAX4270s’ wide bandwidth, use a 1nF
capacitor in parallel with a 0.1F to 1F capacitor. If the
device is located more than 10cm from the power sup-
ply, adding a larger bulk capacitor will improve perfor-
mance.
When operating with dual supplies, ensure that the total
voltage across the device (VCC to VEE) does not
exceed +8V. Therefore, supplies of ±2.5V, ±3.3V, and
asymmetrical supplies are possible. For example, oper-
ation with VCC = +5V and VEE = -3V provides sufficient
voltage swing for the negative pulses found in video
signals. When operating with dual supplies, the VCC
pins and the VEE pins should be bypassed using the
same guidelines stated in the paragraph above.
Because the MAX4265–MAX4270 have high band-
width, circuit layout becomes critical. A solid ground
plane provides a low-inductance path for high-speed
transient currents. Use multiple vias to the ground
plane for each bypass capacitor. If VEE is connected to
ground, use multiple vias here, too. Avoid sharing
ground vias with other signals to reduce crosstalk
between circuit sections.
Avoid stray capacitance at the op amp’s inverting
inputs. Stray capacitance, in conjunction with the feed-
back resistance, forms an additional pole in the cir-
cuit’s transfer function, with its associate phase shift.
Minimizing the trace lengths connected to the inverting
input helps minimize stray capacitance.
Chip Information
MAX4265/66/67 TRANSISTOR COUNT: 132
MAX4268/69/70 TRANSISTOR COUNT: 285
PROCESS: Bipolar
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4270EEE-T | 功能描述:高速运算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4270ESD | 功能描述:高速运算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4270ESD-T | 功能描述:高速运算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4271ESA | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX4271ESA+ | 功能描述:热插拔功率分布 3-12V Current-Limit Hot Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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