MFG:DIP Package Cooled:MAXIM D/C:04+
MFG: DIP
Package Cooled: MAXIM
D/C: 04+
Description: The MAX7426/MAX7427 5th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a sin...
The MAX7426/MAX7427 5th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7426) or +3V (MAX7427) supply. The devices draw only 0.8mA of supply current and allow corner frequencies rom 1Hz to 12kHz, 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 0.2A.
Two clocking options are available: self-clocking (through the use of an external capacitor) or external clocking fortighter cutoff-frequency control. An offset-adjust pin allows for adjustment of the DC output level.
The MAX7426/MAX7427 deliver 37dB of stopband rejection and a sharp rolloff with a transition ratio of 1.25. Their fixed response limits the design task to selecting a clock frequency.
ABSOLUTE MAXIMUM RATINGS
VDD to GND..............................................................-0.3V to +6V
IN, OUT, COM, OS, CLK, SHDN ....................-0.3V to (VDD + 0.3V)
OUT Short-Circuit Duration.......................................................1s
Continuous Power Dissipation (TA = +70°C)
8-Pin µMAX (derate 4.1mW/°C above +70°C) ...............330mW
8-Pin PDIP (derate 6.90mW/°C above +70°C)...............552mW
Operating Temperature Ranges
MAX742 _C_A.......................................................0°C to +70°C
MAX742 _E_A ...................................................-40°C to +85°C
Storage Temperature Range ..........................-65°C to +160°C
Lead Temperature (soldering, 10s) ................................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX7427
PDF/DataSheet Download
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