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MAX7405

Maxim
Part Number MAX7405
Manufacturer Maxim
Description 8th-Order / Lowpass / Bessel / Switched-Capacitor Filters
Published May 2, 2005
Detailed Description 19-4788; Rev 1; 6/99 8th-Order, Lowpass, Bessel, Switched-Capacitor Filters General Description The MAX7401/MAX7405 8th...
Datasheet PDF File MAX7405 PDF File

MAX7405
MAX7405

Overview
19-4788; Rev 1; 6/99 8th-Order, Lowpass, Bessel, Switched-Capacitor Filters 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 corner frequencies from 1Hz to 5kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications.
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 output level.
The MAX7401/MAX7405 Bessel filters provide low overshoot and fast settling.
Their fixed response simplifies the design task to selecting a clock frequency.
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 Features MAX7401/MAX7405 Applications ADC Anti-Aliasing Post-DAC Filtering Air-Bag Electronics CT2 Base Stations Speech Processing PART MAX7401CSA MAX7401CPA MAX7401ESA MAX7401EPA MAX7405CSA MAX7405CPA MAX7405ESA MAX7405EPA Ordering Information TEMP.
RANGE 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 8 SO 8 Plastic DIP 8 SO 8 Plastic DIP 8 SO 8 Plastic DIP 8 SO 8 Plastic DIP Pin Configuration TOP VIEW COM 1 IN 2 GND 3 8 7 CLK SHDN OS OUT VSUPPLY 0.
1µF VDD INPUT IN SHDN OUT OUTPUT Typical Operating Circuit MAX7401 MAX7405 6 5 VDD 4 SO/DIP MAX7401 MAX7405 CLOCK CLK GND COM OS 0.
1µF ________________________________________________________________ Maxim Integrated Products 1 For free samples &...


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