Products > Integrated Circuits (ICs) > Active Filter > MAX7418EUA
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Active Filters

Manufacturer :
Maxim Integrated
Package/Case :
Product Categories :
Active Filter
RoHs Status:
Lead free / RoHS Compliant

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MAX7418EUA Product Details

Create a design and simulate using EE-Sim tools: MAX7418EUA

The MAX7418–MAX7425 5th-order, low-pass, switched-capacitor 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 anti-aliasing 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. The MAX7418/MAX7422 deliver 53dB of stopband rejection and a sharp rolloff with a 1.6 transition ratio. The MAX7421/MAX7425 achieve a sharper rolloff with a 1.25 transition ratio while still providing 37dB of stopband rejection. The MAX7419/MAX7423 Bessel filters provide low overshoot and fast settling, and the MAX7420/MAX7424 Butterworth filters provide a maximally flat passband response. Their fixed response simplifies the design task of selecting a clock frequency.


  • 5th-Order, Lowpass Filters
    • Elliptic Response (MAX7418/MAX7421/MAX7422/MAX7425)
    • Bessel Response (MAX7419/MAX7423)
    • Butterworth Response (MAX7420/MAX7424)
  • Clock-Turnable Corner Frequency (1Hz to 45kHz)
  • Single-Supply Operation
    • +5V (MAX7418–MAX7421)
    • +3V (MAX7422–MAX7425)
  • Low Power
    • 3mA (Operating Mode)
    • 0.2μA (Shutdown Mode)
  • Available in 8-Pin μMAX? Package
  • Low Output Offset: ±4mV


  • ADC Anti-Aliasing
  • CT2 Base Stations
  • DAC Post-Filtering
  • Speech Processing

MAX7418EUA Block Diagram
(Picture: Diagram)

Technical Parameters

Number of Channels 1 Mounting Style SMD/SMT
Cutoff Frequency 30 kHz Package / Case uMAX-8
Supply Voltage Max 5.5 V Minimum Operating Temperature - 40 C
Supply Voltage Min 4.5 V Operating Supply Voltage 5 V
Maximum Operating Temperature + 85 C

MAX7418EUA Documents

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Maxim Integrated Products is a global range of linearity, mixed-signal integrated circuits (IC) design, R & D and manufacturing leader, has designed, developed, and manufactured analog, mixed-signal,...
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