MAX7421 Datasheet - Maxim

MAX7421 5th-Order / Lowpass / Switched-Capacitor Filters

The MAX7418 *MAX7425 5th-order, low-pass, switchedcapacitor filters (SCFs) operate from a single +5V (MAX7418 *MAX7421) or +3V (MAX7422 *MAX7425) supply. These devices draw only 3mA of supply current and allow corner frequencies from 1Hz to 45kHz, making them ideal for low-power.

MAX7421 Features

* o 5th-Order, Lowpass Filters Elliptic Response (MAX7418/MAX7421/ MAX7422/MAX7425) Bessel Response (MAX7419/MAX7423) Butterworth Response (MAX7420/MAX7424) o Clock-Turnable Corner Frequency (1Hz to 45kHz) o Single-Supply Operation +5V (MAX7418

* MAX7421) +3V (MAX7422

* MAX7425) o Low Powe

MAX7421_MaximIntegratedProducts.pdf