MAX296 - 八阶、低通、开关电容滤波器

MAX296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，MAX296是八阶、低通、开关电容滤波器，本站介绍了MAX296的封装应用图解、特点和优点、功能等，并给出了与MAX296相关的Maxim元器件型号供参考。

MAX296 - 八阶、低通、开关电容滤波器 - 滤波器(连续模式和开关电容) - 请参考MAX7401/MAX7405 8阶、低功耗贝塞尔滤波器 - 美信半导体

产品概述

The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, lowpass, switched-capacitor filters that can be set up with corner frequencies from 0.1Hz to 25kHz (MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).

The MAX291/MAX295 Butterworth filters provide maximally flat passband response, and the MAX292/MAX296 Bessel filters provide low overshoot and fast settling. All four filters have fixed responses, so the design task is limited to selecting the clock frequency that controls the filter's corner frequency.

An external capacitor is used to generate a clock using the internal oscillator, or an external clock signal can be used. An uncommitted operational amplifier (noninverting input grounded) is provided for building a continuous time lowpass filter for post-filtering or anti-aliasing.

Produced in an 8-pin DIP/SO and a 16-pin wide SO package, and requiring a minimum of external components, the MAX291 series delivers very aggressive performance from a tiny area.

关键特性

以下关键特性由Maxim美信半导体提供：

8th-Order Lowpass Filters:

Butterworth (MAX291/MAX295)

Bessel (MAX292/MAX296)

Clock-Tunable Corner-Frequency Range:

0.1Hz to 25kHz (MAX291/MAX292)

0.1Hz to 50kHz (MAX295/MAX296)

No External Resistors or Capacitors Required

Internal or External Clock

Clock to Corner Frequency Ratio:

100:1 (MAX291/MAX292)

50:1 (MAX295/MAX296)

Low Noise: -70dB THD + Noise (Typ)

Operate with a Single +5V Supply or Dual ±5V Supplies

Uncommitted Op Amp for Anti-Aliasing or Clock-Noise Filtering

8-Pin DIP and SO Packages

热门应用

50Hz/60Hz电源噪声滤波

ADC抗混叠滤波器

DAC后置滤波

噪声分析

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