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Maxim Integrated - MAX7423EUA+ - MAX7423EUA+ - Switched Capacitor Filter, Lowpass, 5th, 1, 2.7 V, 3.6 V, µMAX

  • MFR SKU: MAX7423EUA+
  • ITEM #: 4645939
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ITEM #: 4645939
Product Overview

The MAX7423EUA+ from Maxim Integrated Products is a 5th order, low pass, switched capacitor filter (SCF) in 8 µMAX package. It operates from a single +3V supply. This devices draws only 3mA of supply current and allows corner frequencies from 1Hz to 45KHz, making it ideal for low power post DAC filtering and antialiasing applications. It features a shutdown mode that reduces supply current to 0.2µA. Two clocking options are available, self-clocking (through...
ITEM #: 4645939
Product Overview

The MAX7423EUA+ from Maxim Integrated Products is a 5th order, low pass, switched capacitor filter (SCF) in 8 µMAX package. It operates from a single +3V supply. This devices draws only 3mA of supply current and allows corner frequencies from 1Hz to 45KHz, making it ideal for low power post DAC filtering and antialiasing applications. It features 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 MAX7423 bessel filter provides low overshoot and fast settling. Typical applications include ADC anti-aliasing, CT2 base stations, DAC post filtering and speech processing.
  • Bessel response, supply voltage range from 2.7V to 3.6V
  • Clock turnable corner frequency (1Hz to 45KHz)
  • Low power, 3mA (operating mode), 0.2µA (shutdown mode)
  • Low output offset of ±4mV, offset voltage gain of 1V/V, PSRR of 70dB
  • 100:1 to 45KHz corner frequency range (VIN = 4Vp-p), 100:1 clock to corner ratio
  • 10ppm/°C clock to corner tempco, 110KHz internal oscillator frequency
  • ±4mV output offset voltage (VIN = VCOM = VDD / 2), 0.25V to VDD - 0.25V output voltage range
  • 3mA supply current, 0.2µA shutdown current, 0dB DC insertion gain with output offset removed
  • Total harmonic distortion plus noise is -81dB (fIN=2KHz, VIN=2.5Vp-p, measurement bandwidth = 80KHz)
  • Operating temperature range from -40°C to +85°C
  • ADC Anti-Aliasing; CT2 Base Stations; DAC Post-Filtering; Speech Processing

Applications

Signal Processing
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Maxim Integrated - MAX7423EUA+ - MAX7423EUA+ - Switched Capacitor Filter, Lowpass, 5th, 1, 2.7 V, 3.6 V, µMAX

  • Item #: 4645939
  • MFR SKU: MAX7423EUA+
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