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MAX7401CSA

  • Available: 400

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Description

The MAX7401/MAX7405 8th-order, lowpass, Bessel, switched-capacitor filters (SCFs) operate from a single +5V (MAX7401) or +3V (MAX7405) supply.
These devices draw only 2mA of supply current and allow corner frequencies from 1Hz to 5kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications.
They feature a shutdown mode that reduces 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 MAX7401/MAX7405 Bessel filters provide low over shoot and fast settling.
Their fixed response simplifies the design task to selecting a clock frequency.
Features
♦ 8th-Order, Lowpass Bessel Filters
♦ Low Noise and Distortion: -82dB THD + Noise
♦ Clock-Tunable Corner Frequency (1Hz to 5kHz)
♦ 100:1 Clock-to-Corner Ratio
♦ Single-Supply Operation +5V (MAX7401) +3V (MAX7405)
♦ Low Power 2mA (Operating Mode) 0.2µA (Shutdown Mode)
♦ Available in 8-Pin SO/DIP Packages
♦ Low Output Offset: ±5mVApplications ADC Anti-Aliasing CT2 Base Stations Post-DAC Filtering Speech Processing Air-Bag Electronics
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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