MAX7400ESA Datasheet

Interface - Filters - Active


The MAX7400ESA /MAX7403/MAX7404/MAX7407 8th-order,lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7400ESA/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 antialiasing 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 MAX7400ESA/MAX7403/MAX7404/MAX7407 are available in 8-pin SO and DIP packages. MAX7400ESA 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 MAX7400ESA Applications• ADC Anti-Aliasing• Speech Processing• Post-DAC Filtering• Air-Bag Electronics• CT2 Base Stations


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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