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MAX7405EPA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX7405EPA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. General Description The MAX7401/MAX7405 8th-order, lowpass, Bessel, switched-capacitor filters (SCFs) operate from a single +5V (MAX7401) or +3V (MAX7405) supply. These devices draw only 2mA of supply current and allow cor- ner frequencies from 1Hz to 5kHz, making them ideal for low-power post-DAC filtering and anti-aliasing appli- cations. They feature a shutdown mode that reduces supply current to 0.2µA. Two clocking options are available on these devices: 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 out- put level. The MAX7401/MAX7405 Bessel filters provide low over- shoot and fast settling. Their fixed response simplifies the design task to selecting a clock frequency. Applications ADC Anti-Aliasing CT2 Base Stations Post-DAC Filtering Speech Processing Air-Bag Electronics Features o 8th-Order, Lowpass Bessel Filters o Low Noise and Distortion: -82dB THD + Noise o Clock-Tunable Corner Frequency (1Hz to 5kHz) o 100:1 Clock-to-Corner Ratio o Single-Supply Operation +5V (MAX7401) +3V (MAX7405) o Low Power 2mA (Operating Mode) 0.2µA (Shutdown Mode) o Available in 8-Pin SO/DIP Packages o Low Output Offset: ±5mV 8th-Order, Lowpass, Bessel, Switched-Capacitor Filters ________________________________________________________________ Maxim Integrated Products 1 OS OUT VDD 1 2 8 7 CLK SHDN IN GND COM SO/DIP TOP VIEW 3 4 6 5 MAX7401 MAX7405 VDD IN CLK OUT GND INPUT 0.1 µF 0.1 µF CLOCK SHDN OUTPUT VSUPPLY COM OS MAX7401 MAX7405 Typical Operating Circuit 19-4788; Rev 1; 6/99 Pin Configuration Ordering Information PART MAX7401CPA MAX7401ESA MAX7401EPA -40°C to +85°C -40°C to +85°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 8 Plastic DIP 8 SO 8 Plastic DIP MAX7405CSA MAX7405CPA MAX7405ESA MAX7405EPA -40°C to +85°C -40°C to +85°C 0°C to +70°C 0°C to +70°C 8 SO 8 Plastic DIP 8 SO 8 Plastic DIP MAX7401CSA 0°C to +70°C 8 SO |
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