Maxim Integrated MAX7426CUA 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters

The MAX7426CUA from Maxim Integrated is a precision, 5th-order, lowpass, elliptic, switched-capacitor filter that significantly advances the performance of filter circuits. Designed to operate with a single +5V supply, this compact and efficient integrated circuit is housed in an 8-pin µMAX package, making it an ideal choice for space-constrained applications.

With a fixed cutoff frequency of 100kHz, the MAX7426CUA offers a sharp transition band and excellent stopband attenuation, ensuring minimal signal interference beyond the desired frequency range. This makes it particularly suitable for applications that require clean and precise filtering, such as anti-aliasing prior to ADCs, signal conditioning, and various communications systems.

One of the standout features of the MAX7426CUA is its user-friendly interface. The device does not require any external components for set-up, which simplifies design and reduces the bill of materials. Additionally, the filter's clock-to-corner frequency ratio is fixed, which eliminates the need for external clocking and ensures stable filter characteristics.

Moreover, the MAX7426CUA boasts a dynamic range of 86dB, providing high-quality signal processing capabilities. The device's low noise and low THD (Total Harmonic Distortion) characteristics make it an excellent choice for high-fidelity audio applications and other sensitive signal processing tasks where maintaining signal integrity is crucial.

For designers concerned with power consumption, the MAX7426CUA operates with a low power dissipation, typically drawing only 1.5mA of supply current. This feature, combined with its power-down capability, which reduces the supply current to 0.2µA, makes the MAX7426CUA an energy-efficient solution for portable and battery-operated devices.

In conclusion, the Maxim Integrated MAX7426CUA is a versatile and high-performance filter solution that offers ease of use, robust filtering capabilities, and power efficiency. Whether used in audio processing, data acquisition systems, or any application requiring precise lowpass filtering, the MAX7426CUA delivers reliable and consistent performance in a compact form factor.