FEATURES
General Description
The MAX7418–MAX7425 5th-order, low-pass, switched capacitor filters (SCFs) operate from a single +5V MAX7418–MAX7421) or +3V (MAX7422–MAX7425) supply. These devices draw only 3mA of supply current and allow corner frequencies from 1Hz to 45kHz, 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.
Features
♦ 5th-Order, Lowpass Filters
Elliptic 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 Power
3mA (Operating Mode)
0.2µA (Shutdown Mode)
♦ Available in 8-Pin µMAX Package
♦ Low Output Offset: ±4mV
Applications
ADC Anti-Aliasing
CT2 Base Stations
DAC Postfiltering
Speech Processing
Analog Devices (NASDAQ: ADI) is a world leader in the design, manufacture, and marketing of a broad portfolio of high performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs) used in virtually all types of electronic equipment. Since our inception in 1965, we have focused on solving the engineering challenges associated with signal processing in electronic equipment. Used by over 100,000 customers worldwide, our signal processing products play a fundamental role in converting, conditioning, and processing real-world phenomena such as temperature, pressure, sound, light, speed, and motion into electrical signals to be used in a wide array of electronic devices.