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MAX7407

Maxim
Part Number MAX7407
Manufacturer Maxim
Description 8th-Order / Lowpass / Elliptic / Switched-Capacitor Filters
Published May 2, 2005
Detailed Description 19-4764; Rev 2; 6/99 8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters General Description The MAX7400/MAX7403/M...
Datasheet PDF File MAX7407 PDF File

MAX7407
MAX7407

Overview
19-4764; Rev 2; 6/99 8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters General Description The MAX7400/MAX7403/MAX7404/MAX7407 8th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7400/MAX7403) or +3V (MAX7404/MAX7407) supply.
These devices draw 2mA of supply current and allow corner frequencies from 1Hz to 10kHz, making them ideal for low-power antialiasing and post-DAC filtering applications.
They feature a shutdown mode that reduces the 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.
In addition, an offset adjustment pin (OS) allows for the adjustment of the DC output level.
The MAX7400/MAX7404 provide 82dB of stopband rejection and a sharp rolloff with a transition ratio of 1.
5.
The MAX7403/MAX7407 provide a sharper rolloff with a transition ratio of 1.
2, while still delivering 60dB of stopband rejection.
The fixed response of these devices simplifies the design task to corner-frequency selection by setting a clock frequency.
The MAX7400/ MAX7403/MAX7404/MAX7407 are available in 8-pin SO and DIP packages.
o 8th-Order Lowpass Elliptic Filter o Low Noise and Distortion -82dB THD + Noise (MAX7400) o Clock-Tunable Corner Frequency (1Hz to 10kHz) o 100:1 Clock-to-Corner Ratio o Single-Supply Operation +5V (MAX7400/MAX7403) +3V (MAX7404/MAX7407) o Low Power 2mA (Operating Mode) 0.
2µA (Shutdown Mode) o Available in 8-Pin SO and DIP Packages o Low Output Offset: ±5mV Features MAX7400/MAX7403/MAX7404/MAX7407 Ordering Information PART MAX7400CSA MAX7400CPA MAX7400ESA MAX7400EPA TEMP.
RANGE 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 Applications ADC Anti-Aliasing Post-DAC Filtering CT2 Base Stations Speech Processing Air-Bag Electronics Ordering Information continued at end of data sheet.
Selector Guide PART MAX7400 FILTER RESPONS...


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