MAX7480 - 八阶、低通、巴特沃兹、开关电容滤波器

MAX7480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，MAX7480是八阶、低通、巴特沃兹、开关电容滤波器，本站介绍了MAX7480的封装应用图解、特点和优点、功能等，并给出了与MAX7480相关的Maxim元器件型号供参考。

MAX7480 - 八阶、低通、巴特沃兹、开关电容滤波器 - 滤波器(连续模式和开关电容) - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX7480 8th-order, lowpass, Butterworth, switched-capacitor filter (SCF) operates from a single +5V supply. The device draws only 2.9mA of supply current and allows corner frequencies from 1Hz to 2kHz, making it ideal for low-power post-DAC filtering and anti-aliasing applications. The MAX7480 features a shutdown mode, which reduces the supply current to 0.2µA.

Two clocking options are available: self-clocking (through the use of an external capacitor) or external clocking for tighter corner-frequency control. An offset adjust pin allows for adjustment of the DC output level.

The MAX7480 Butterworth filter provides a maximally flat passband response. The fixed response simplifies the design task to selecting a clock frequency.

关键特性

以下关键特性由Maxim美信半导体提供：

8th-Order, Lowpass Butterworth Filter

Low Noise and Distortion: -73dB THD + Noise

Clock-Tunable Corner Frequency (1Hz to 2kHz)

100:1 Clock-to-Corner Ratio

+5V Single-Supply Operation

Low Power

2.9mA (Operating Mode)

0.2µA (Shutdown Mode)

Available in 8-Pin SO/DIP Package

Low Output Offset: ±5mV

热门应用

ADC抗混叠

DAC后置滤波

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