MAX7401ESA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX7401ESA+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for signal processing and filtering applications.

Characteristics

• The MAX7401ESA+ is a low-power, 8th-order elliptic switched-capacitor filter.
• It operates on a single power supply voltage ranging from 2.7V to 5.5V.
• This IC offers a high level of integration, providing multiple filter functions in a compact package.

Package

The MAX7401ESA+ is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the MAX7401ESA+ lies in its ability to provide precise and efficient signal filtering, enabling high-quality audio and video processing.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specified quantity of units, such as 250 or 1000 pieces per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Filter Order: 8th order elliptic
• Input Signal Range: ±VDD/2
• Output Signal Range: ±VDD/2
• Total Harmonic Distortion: <0.01% (typical)
• Passband Ripple: 0.1dB (typical)
• Stopband Attenuation: 60dB (typical)

Detailed Pin Configuration

The MAX7401ESA+ features the following pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. IN+: Positive input terminal
4. IN-: Negative input terminal
5. OUT: Output terminal
6. BP: Bandpass filter pin
7. GND: Ground reference
8. VDD: Power supply voltage input

Functional Features

• High-quality signal filtering with low distortion and ripple.
• Wide operating voltage range allows for versatile applications.
• Compact package size enables space-efficient circuit design.
• Easy integration into various audio and video processing systems.

Advantages and Disadvantages

Advantages

• Precise signal filtering capabilities
• Low power consumption
• Versatile operating voltage range
• Compact package size

Disadvantages

• Limited to 8th-order elliptic filter design
• May require additional external components for specific applications

Working Principles

The MAX7401ESA+ utilizes switched-capacitor techniques to implement an 8th-order elliptic filter. It employs a combination of capacitors, switches, and operational amplifiers to achieve precise signal filtering. The filter's transfer function is designed to provide a flat passband response and steep attenuation in the stopband region.

Detailed Application Field Plans

The MAX7401ESA+ finds application in various fields, including:

1. Audio Processing: Used in audio equipment such as amplifiers, equalizers, and audio mixers to enhance sound quality and remove unwanted noise.
2. Video Processing: Employed in video signal processing systems to improve image quality, reduce artifacts, and eliminate interference.
3. Communication Systems: Integrated into communication devices like radios and telecommunication equipment to filter out unwanted signals and enhance signal clarity.
4. Instrumentation: Utilized in measurement and testing instruments to eliminate noise and extract accurate signals for analysis.

Detailed and Complete Alternative Models

1. MAX7400ESA+: Similar to the MAX7401ESA+, but with a 6th-order elliptic filter design.
2. MAX7402ESA+: Offers a higher order (10th-order) elliptic filter for more demanding applications.
3. LTC1064-2CN8: An alternative IC with similar functionality, featuring a 5th-order elliptic filter design.

In conclusion, the MAX7401ESA+ is a versatile integrated circuit that provides precise signal filtering for various audio and video processing applications. Its low power consumption, wide operating voltage range, and compact package make it an ideal choice for space-constrained designs. However, its limitations include being limited to an 8th-order elliptic filter design and potential need for additional external components in specific applications.