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MAX7418 - 5th-Order / Lowpass / Switched-Capacitor Filters

General Description

The MAX7418 MAX7425 5th-order, low-pass, switchedcapacitor filters (SCFs) operate from a single +5V (MAX7418 MAX7421) or +3V (MAX7422

MAX7425) supply.

Key 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 Power 3mA (Operating Mode) 0.2µA (Shutdown Mode) o Available in 8-Pin µMAX Package o Low Output Offset: ±4mV Ordering Information PART TEMP. RANGE PIN-.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX7410 5th-Order / Lowpass / Switched-Capacitor Filters
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MAX7401 8th-Order / Lowpass / Bessel / Switched-Capacitor Filters

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1821; Rev 0; 11/00 MAX7418–MAX7425 5th-Order, Lowpass, Switched-Capacitor Filters General Description 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 post-DAC filtering and antialiasing applications. They feature a shutdown mode that reduces 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.