MAX294CWE

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Filter Type:	Elliptic, Low Pass Switched Capacitor
Frequency - Cutoff or Center:	25kHz
Number of Filters:	1
Filter Order:	8th
Voltage - Supply:	4.75 V ~ 11 V, ±2.375 V ~ 5.5 V
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	MAX294

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Background

MAX294CWE is a part of the MAX family of high-performance synchronous interface filters with active circuits from Maxim Integrated Products, Inc. With its general purpose application fields, the MAX294CWE can be used for filtering, buffering, and AC coupling of signals in a wide range of electronic applications. The following will discuss the application fields and working principle of MAX294CWE.

Application Field

MAX294CWE is widely used in many different applications. It is the perfect solution for Interface-Filters-Active technologies. First, the MAX294CWE is widely used in the applications of digital communications and clock generating circuits. This device has the ability to provide digital isolation from the power supply, digital transmission lines, and signal distortions from digital coupling. In addition, it is used for the separation of signal lines. It also provides high-frequency isolation for I/O signal lines between digital signal lines and power supplies. Second, the MAX294CWE is used in sound systems and other high-frequency analog applications such as audio amplifiers and playback systems. It is also used in low-noise high-bandwidth signal paths such as in audio equalizers and sound compressors. Finally, the device is also used in automotive applications, such as automotive audio systems, vehicle tracking systems, and safety systems.

Working Principle

The working principle of the MAX294CWE is based on a differential architecture. This architecture is based on an input buffer, followed by a differential pair. The differential pair is then followed by an active filter circuit, which provides the filtering, buffering and AC-coupling of the signal. The output of the active filter is then sent to the output buffers, which are responsible for the output of the filtered signal to the device. The input buffer is designed to accept a digital input signal with amplitudes up to 3.3V, while the differential pair is responsible for amplifying the digital signal before the filtering. The active filter, which can be set with a gain of up to 0dB, is designed to reduce noise and distortion of the signal, while providing passband characteristics with attenuation up to 60dB depending on the frequency. The output buffer is also designed to provide a output signal with up to 3.3V amplitudes.

Conclusion

MAX294CWE is a high performance synchronous interface filters with active circuits that provides filtering, buffering and AC coupling of signals. It is used in a wide array of applications, such as digital communications, sound systems, and automotive audio systems. Its working principle is based on an input buffer, a differential pair, and an active filter circuit, which provides the filtering, buffering and AC coupling of the signal. The output of the active filter is then sent to the output buffers, which are responsible for the output of the filtered signal to the device.

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