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Maxim产品 - MAX274|MAX274EVKIT介绍

MAX274|MAX274EVKIT - 四阶及八阶、连续时间方式有源滤波器

MAX274|MAX274EVKIT是Maxim美信半导体公司的一款滤波器(连续模式和开关电容)产品，MAX274|MAX274EVKIT是四阶及八阶、连续时间方式有源滤波器，本站介绍了MAX274|MAX274EVKIT的封装应用图解、特点和优点、功能等，并给出了与MAX274|MAX274EVKIT相关的Maxim元器件型号供参考。

MAX274|MAX274EVKIT - 四阶及八阶、连续时间方式有源滤波器 - 滤波器(连续模式和开关电容) - 低噪声连续时间滤波器，可消除时钟噪声和混叠 - 美信半导体

产品概述

The MAX274 and MAX275 are continuous-time active filters consisting of independent cascadable 2nd-order sections. Each section can implement any all-pole bandpass or lowpass filter response, such as Butterworth, Bessel, Chebyshev, and is programmed by four external resistors. The MAX274/MAX275 provide lower noise that switched-capacitor filters, as well as superior dynamic performance—both due to the continuous-time design. Since continuous-time filters do not require a clock, aliased and clock noise are eliminated with the MAX274/MAX275.

The MAX274 comprises of four 2nd-order sections, permitting 8th-order filters to be realized. Center frequencies range up to 150kHZ, and are accurate to within ±1% over the full operating temperature range. Total harmonic distortion (THD) is typically better than -86dB.

The MAX275 comprises of two 2nd-order sections, permitting 4th-order filters to be realized. Center frequencies range up to 300kHZ, and are accurate to within ±0.9% over the full operating temperature range. Total harmonic distortion (THD) is typically better than -86dB.

Both filters operate from a single +5V supply or from dual ±5V supplies.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Continuous-TIme Filter - No Clock, No Clock Noise
  • Implement Butterworth, Chebyshev, Bessel and Other Filter Responses
  • Lowpass, Bandpass Outputs
  • Operate from a Single +5V Supply or Dual ±5V Supplies
  • Design Software Available
  • MAX274 Evaluation Kit Available
  • 8th-Order-Four 2nd-Order Sections (MAX274)
  • 4th-Order-Two 2nd-Order Sections (MAX275)
  • Center-Frequency Range:
  • 150kHz for MAX274
  • 300kHz for MAX275
  • Low Noise:
  • -86dB THD Typical for MAX274
  • -89dB THD Typical for MAX275
  • Center-Frequency Accurate Over Temp:
  • within ±1% for MAX274
  • within ±0.9% for MAX275
    • 热门应用
  • 音频/声纳/航空电子频率滤波
  • DAC输出平滑滤波器
  • 低失真抗混叠滤波器
  • 调制解调器
  • 振动分析
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