MAX7404
Info: : PRODUCTION
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MAX7404

8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters

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Smallest, Lowest-Power 8th-Order Elliptic Filters

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Models 4
1ku List Price Starting From $4.53
Features
  • 8th-Order Lowpass Elliptic Filter
  • Low Noise and Distortion -82dB THD + Noise (MAX7400)
  • Clock-Tunable Corner Frequency (1Hz to 10kHz)
  • 100:1 Clock-to-Corner Ratio
  • Single-Supply Operation
    • +5V (MAX7400/MAX7403)
    • +3V (MAX7404/MAX7407)
  • Low Power
    • 2mA (Operating Mode)
    • 0.2µA (Shutdown Mode)
  • Available in 8-Pin SO and DIP Packages
  • Low Output Offset: ±5mV
Additional Details
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The MAX7400/MAX7403/MAX7404/MAX7407 8th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7400/MAX7403) or +3V (MAX7404/MAX7407) supply. These devices draw 2mA of supply current and allow corner frequencies from 1Hz to 10kHz, making them ideal for low-power anti-aliasing and post-DAC filtering applications. They feature a shutdown mode that reduces the supply current to 0.2µA.

Two clocking options are available: self-clocking (through the use of an external capacitor) or external clocking for tighter cutoff-frequency control. In addition, an offset adjustment pin (OS) allows for the adjustment of the DC output level.

The MAX7400/MAX7404 provide 82dB of stopband rejection and a sharp rolloff with a transition ratio of 1.5. The MAX7403/MAX7407 provide a sharper rolloff with a transition ratio of 1.2, while still delivering 60dB of stopband rejection. The fixed response of these devices simplifies the design task to corner-frequency selection by setting a clock frequency. The MAX7400/MAX7403/MAX7404/MAX7407 are available in 8-pin SO and DIP packages.

Applications

  • ADC Anti-Aliasing
  • Air-Bag Electronics
  • CT2 Base Stations
  • Post-DAC Filtering
  • Speech Processing
Part Models 4
1ku List Price Starting From $4.53

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX7404CSA+
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MAX7404EPA+
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MAX7404ESA+
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MAX7404ESA+T
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Product Lifecycle

PCN

May 1, 2020

- 1702R

ASSEMBLY

MAX7404CSA+

PRODUCTION

May 22, 2018

- 1702N

ASSEMBLY

MAX7404ESA+

PRODUCTION

MAX7404ESA+T

PRODUCTION

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Part Models

Product Lifecycle

PCN

May 1, 2020

- 1702R

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ASSEMBLY

MAX7404CSA+

PRODUCTION

May 22, 2018

- 1702N

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ASSEMBLY

MAX7404ESA+

PRODUCTION

MAX7404ESA+T

PRODUCTION

Software & Part Ecosystem

Reference Designs 1

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