MAX7404ESA+T

The MAX7404ESA+T is a 8th order, low pass, elliptic, switched capacitor filter in 8 pin NSOIC package. It draws 2mA of supply current and allows corner frequencies from 1Hz to 10KHz making it ideal for low power antialiasing and post DAC filtering applications. It features a shutdown mode that reduces the supply current to 0.2µA. Self-clocking (through the use of an external capacitor) or external clocking for tighter cut-off frequency control are two clocking options available. In addition, an offset adjustment pin (OS) allows for the adjustment of the DC output level. Typical applications include ADC anti-aliasing, post-DAC filtering, CT2 base stations, speech processing and air-bag electronics.

• Single supply range from 2.7V to 3.6V
• Operating temperature range from -40°C to 85°C
• 8th-order low pass elliptic filter
• Corner frequency range from 0.001 to 10KHz
• 100:1 clock to corner ratio
• 10ppm/°C clock to corner tempco
• Total harmonic distortion plus noise of -79dB
• Clock feedthrough of 10mVp-p
• 500pF maximum capacitive load at OUT
• ADC Anti-Aliasing; Air-Bag Electronics; CT2 Base Stations; Post-DAC Filtering; Speech Processing

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Signal Processing

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