MAX7409 - 五阶、低通、开关电容滤波器

MAX7409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，MAX7409是五阶、低通、开关电容滤波器，本站介绍了MAX7409的封装应用图解、特点和优点、功能等，并给出了与MAX7409相关的Maxim元器件型号供参考。

MAX7409 - 五阶、低通、开关电容滤波器 - 滤波器(连续模式和开关电容) - 尺寸最小的低功耗5阶滤波器 - 美信半导体

产品概述

The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, lowpass, switched-capacitor filters (SCFs) operate from a single +5V (MAX7409/MAX7410) or +3V (MAX7413/MAX7414) supply. These devices draw only 1.2mA of supply current and allow corner frequencies from 1Hz to 15kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications. They feature a shutdown mode, which reduces the supply current to 0.2µA.

Two clocking options are available on these devices: 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 MAX7409/MAX7413 Bessel filters provide low overshoot and fast settling, while the MAX7410/MAX7414 Butterworth filters provide a maximally flat passband response. Their 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：

5th-Order Lowpass Filters

Bessel Response (MAX7409/MAX7413)

Butterworth Response (MAX7410/MAX7414)

Clock-Tunable Corner Frequency (1Hz to 15kHz)

Single-Supply Operation

+5V (MAX7409/MAX7410)

+3V (MAX7413/MAX7414)

Low Power

1.2mA (operating mode)

0.2µA (shutdown mode)

Available in 8-Pin µMAX®/DIP Packages

Low Output Offset: ±4mV

Single 5th-order, Bessel and Butterworth switched-capacitor filters. 15kHz maximum F (c)

热门应用

ADC抗混叠

气囊电子装置

CT2基站

DAC后置滤波

语音处理

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