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MAXIM INTEGRATED / ANALOG DEVICES MAX281BCPA Bessel Lowpass Filter

The MAX281 is a fifth-order, zero-error Bessel lowpass filter designed for precise signal conditioning in industrial and measurement systems. It features an external resistor and capacitor to set the cutoff frequency, providing linear phase response and high accuracy from DC to 20kHz. The device can operate with internal or external clock sources, making it versatile for various applications including data loggers and digital voltmeters. Its low noise, high linearity, and cascade capability enable high-performance filtering with minimal distortion, suitable for anti-aliasing and high-fidelity systems.

Authorized Distributors
Source:Newark
Part No:MAX281BCPA+
Stock:23
Inv Date:06-05-2026
Price: Unit price: $33.9
Buy/RFQ:
Source:DigiKey
Part No:MAX281BCPA+
Stock:150
Inv Date:06-05-2026
Price: Unit price: $35.28
Buy/RFQ:
Part No:MAX281BCPA+
Stock:32
Inv Date:06-06-2026
Price: Unit price: $32.91
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX281BCPA Bessel Lowpass Filter Specifications:

  • Filter type: Fifth-order Bessel lowpass
  • Cutoff frequency: DC to 20kHz
  • Operating supply voltage: ±5V
  • External resistor and capacitor to set cutoff
  • Clock frequency: internal 140kHz oscillator, externally programmable
  • Low input noise: typically 80-90uV
  • Output buffer offset: 2mV (MAX281A), 20mV (MAX281B)
  • Maximum input voltage: ±6.5V (with 45V supplies)
  • Power dissipation: 500mW (Plastic DIP), 640mW (CERDIP)
  • Operating temperature range: 0°C to 70°C (MAX281B), -55°C to +125°C (MOST models), up to 170°C (extended models)
  • Amplifier output swing: ±3.5V
  • Input bias current: 170pA (typical)
  • Cascading capability for higher order filtering
  • Anti-aliasing capability with external resistor and capacitor
  • Slew rate: adequate for signal fidelity
  • Package options: DIP, SO, CERDIP
  • Suitable for sensitive measurement, data acquisition, and anti-aliasing applications

Buy the Maxim MAX281 – Reliable Bessel Lowpass Filter for Industrial Applications

Get the Maxim MAX281 online now to incorporate a highly accurate, low-noise fifth-order Bessel lowpass filter into your measurement or industrial systems. Featuring adjustable cutoff frequency, internal/external clock options, and cascade compatibility, this filter ensures minimal distortion and precise phase response from DC to 20kHz. Its compact packages and low offset make it ideal for anti-aliasing, data loggers, and digital voltmeters. Order today for quick delivery and improve your signal fidelity with trusted filtering technology.

Order your Maxim MAX281 fifth-order Bessel lowpass filter today and enhance your signal processing projects with precise, reliable filtering performance.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX281BCPA?

You can click on the BUY or RFQ button to purchase MAX281BCPA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX281BCPA?

You can download the MAX281BCPA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX281BCPA?

MAXIM INTEGRATED / ANALOG DEVICES

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