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參數(shù)資料
| 型號： | MAX4267ESA+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/19頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP W/ENABLE 300MHZ 8SOIC |
| 標準包裝： | 100 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 1 |
| 轉換速率： | 900 V/µs |
| 增益帶寬積： | 1.5GHz |
| -3db帶寬： | 300MHz |
| 電流 - 輸入偏壓： | 3.5µA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 28mA |
| 電流 - 輸出 / 通道： | 45mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 8 V，±2.25 V ~ 4 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOICN |
| 包裝： | 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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4267ESA+ | 功能描述:運算放大器 - 運放 270MHz 1mA Crnt Feedback Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4267ESA+T | 功能描述:運算放大器 - 運放 300MHz Op Amp with Enable RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4267ESA-T | 功能描述:高速運算放大器 Single-Supply 300MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4267EUA | 功能描述:高速運算放大器 Single-Supply 300MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4267EUA-T | 功能描述:高速運算放大器 Single-Supply 300MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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