MAX7409, MAX7410, MAX7413, MAX7414 5th-Order, Lowpass, Switched-Capacitor Filters
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 0.2A.
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.
By Maxim Integrated Products
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