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參數(shù)資料
| 型號： | MCP6284 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 450 UA, 5 MHz Rail-to-Rail Op Amp |
| 中文描述： | 450聯(lián)合航空表示，5兆赫軌到軌運算放大器 |
| 文件頁數(shù)： | 16/32頁 |
| 文件大小： | 580K |
| 代理商： | MCP6284 |
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MCP6281/2/3/4/5
DS21811D-page 16
2004 Microchip Technology Inc.
4.8.3.8
Capacitorless Second-Order
Low-Pass filter with Chip Select
The low-pass filter shown in Figure 4-16 does not
require external capacitors and uses only three exter-
nal resistors; the op amp's GBWP sets the corner
frequency. R
1
and R
2
are used to set the circuit gain
and R
3
is used to set the Q. To avoid gain peaking in
the frequency response, Q needs to be low (lower
values need to be selected for R
3
). Note that the ampli-
fier bandwidth varies greatly over temperature and
process. However, this configuration provides a low-
cost solution for applications with high bandwidth
requirements.
FIGURE 4-16:
Low-Pass Filter with Chip Select.
Capacitorless Second-Order
5.0
DESIGN TOOLS
Microchip provides the basic design tools needed for
the MCP6281/2/3/4/5 family of op amps.
5.1
SPICE Macro Model
The
MCP6281/2/3/4/5 op amps is available on our web site
at www.microchip.com. This model is intended to be an
initial design tool that works well in the op amp’s linear
region of operation at room temperature. See the
macro model file for information on its capabilities.
Bench testing is a very important part of any design and
cannot be replaced with simulations. Also, simulation
results using this macro model need to be validated by
comparing them to the data sheet specifications and
characteristic curves.
latest
SPICE
macro
model
for
the
5.2
FilterLab
Software
Microchip’s FilterLab software is an innovative tool that
simplifies analog active-filter (using op amps) design.
Available at no cost from our web site at
www.microchip.com, the FilterLab design tool provides
full schematic diagrams of the filter circuit with compo-
nent values. It also outputs the filter circuit in SPICE
format, which can be used with the macro model to
simulate actual filter performance.
A
B
CS
V
REF
V
IN
V
OUT
R
2
R
1
R
3
MCP6285
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MCP6284-E/P | 功能描述:運算放大器 - 運放 Quad 5MHz 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(zhuǎn)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 |
| MCP6284-E/SL | 功能描述:運算放大器 - 運放 Quad 5MHz 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(zhuǎn)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 |
| MCP6284-E/ST | 功能描述:運算放大器 - 運放 Quad 5MHz 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(zhuǎn)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 |
| MCP6284ESL | 制造商:Microchip Technology Inc 功能描述: |
| MCP6284T-E/SL | 功能描述:運算放大器 - 運放 Quad 5MHz 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(zhuǎn)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 |
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