Active Filters

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MAX293EWE+, Maxim Integrated

8th-Order Lowpass Elliptic FiltersClock-Tunable Corner-Frequency Range:0.1Hz to 25kHz (MAX293/MAX294)0.1Hz to 50kHz (MAX297) No External Resistors or Capacitors RequiredInternal or External ClockClock to Corner Frequency Ratio100:1 (MAX293/MAX294)50:1 (MAX297) Operate with a Single +5V Supply or Dual ±5V SuppliesUncommitted Op Amp for Anti-Aliasing or Clock-Noise Filtering8-Pin DIP and 16-Pin Wide SO Packages Applications/UsesAnti-AliasingDAC Post-FilteringData-Acquisition SystemsVoice/Data Signal Filtering

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MAX267BCNG+, Maxim

Filter ICs, Maxim Integrated Products Note Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

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MAX291CSA+, Maxim

Filter ICs, Maxim Integrated Products Note Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

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MAX295CPA+, Maxim

Filter ICs, Maxim Integrated Products Note Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

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MAX7420EUA+, Maxim Integrated

5th-Order, Lowpass FiltersElliptic 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 Power3mA (Operating Mode)0.2μA (Shutdown Mode) Available in 8-Pin μMAX® PackageLow Output Offset: ±4mV ApplicationsADC Anti-AliasingCT2 Base StationsDAC Post-FilteringSpeech Processing

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MAX7424EUA+, Maxim Integrated

5th-Order, Lowpass FiltersElliptic 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 Power3mA (Operating Mode)0.2μA (Shutdown Mode) Available in 8-Pin μMAX® PackageLow Output Offset: ±4mV ApplicationsADC Anti-AliasingCT2 Base StationsDAC Post-FilteringSpeech Processing

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MAX7408EUA+, Maxim Integrated

The MAX7408/MAX7411/MAX7412/MAX7415 5th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7408/MAX7411) or +3V (MAX7412/MAX7415) supply. The devices draw only 1.2mA of supply current and allow corner frequencies from 1Hz to 15kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications. They can be put into a low-power mode, reducing 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. An offset-adjust pin allows for adjustment of the DC output level.The MAX7408/MAX7412 deliver 53dB of stopband rejection and a sharp rolloff with a transition ratio of 1.6. The MAX7411/MAX7415 achieve a sharper rolloff with a transition ratio of 1.25 while still providing 37dB of stop-band rejection. Their fixed response limits the design task to selecting a clock frequency. 5th-Order, Elliptic Lowpass FiltersLow Noise and Distortion: -80dB THD + NoiseClock-Tunable Corner Frequency (1Hz to 15kHz)Single-Supply Operation+5V (MAX7408/MAX7411)+3V (MAX7412/MAX7415) Low Power1.2mA (operating mode)0.2μA (shutdown mode) Available in 8-Pin μMAX®/DIP PackagesLow Output Offset: ±4mV ApplicationsADC Anti-AliasingCT2 Base StationsPost-DAC FilteringSpeech Processing

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MAX291CPA+, Maxim Integrated

Filter ICs, Maxim Integrated Products Note Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

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MAX293CPA+, Maxim

Filter ICs, Maxim Integrated Products Note Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

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MAX291ESA+, Maxim Integrated

Filter ICs, Maxim Integrated Products Note Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

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MAX274AENG+, Maxim Integrated

Continuous-TIme Filter - No Clock, No Clock NoiseImplement Butterworth, Chebyshev, Bessel and Other Filter ResponsesLowpass, Bandpass OutputsOperate from a Single +5V Supply or Dual ±5V SuppliesDesign Software AvailableMAX274 Evaluation Kit Available8th-Order-Four 2nd-Order Sections (MAX274)4th-Order-Two 2nd-Order Sections (MAX275)Center-Frequency Range:150kHz for MAX274300kHz for MAX275 Low Noise:-86dB THD Typical for MAX274-89dB THD Typical for MAX275 Center-Frequency Accurate Over Temp:within ±1% for MAX274within ±0.9% for MAX275 ApplicationsAudio/Sonar/Avionics Frequency FilteringDAC Output-Smoothing FiltersLow-Distortion Anti-Aliasing FiltersModemsVibration Analysis

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MAX7407ESA+, Maxim Integrated

8th-Order Lowpass Elliptic FilterLow Noise and Distortion -82dB THD + Noise (MAX7400)Clock-Tunable Corner Frequency (1Hz to 10kHz)100:1 Clock-to-Corner RatioSingle-Supply Operation+5V (MAX7400/MAX7403)+3V (MAX7404/MAX7407) Low Power2mA (Operating Mode)0.2μA (Shutdown Mode) Available in 8-Pin SO and DIP PackagesLow Output Offset: ±5mV ApplicationsADC Anti-AliasingAir-Bag ElectronicsCT2 Base StationsPost-DAC FilteringSpeech Processing

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New Items

MAX293EWE+, Maxim Integrated

MAX267BCNG+, Maxim

MAX291CSA+, Maxim

MAX295CPA+, Maxim

MAX7420EUA+, Maxim Integrated

MAX7424EUA+, Maxim Integrated

MAX7408EUA+, Maxim Integrated

MAX291CPA+, Maxim Integrated

MAX293CPA+, Maxim

MAX291ESA+, Maxim Integrated

MAX274AENG+, Maxim Integrated

MAX7407ESA+, Maxim Integrated

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