MAX267AENG+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX267AENG+ belongs to the category of integrated circuits (ICs).

Use

The MAX267AENG+ is primarily used as an active filter for audio applications.

Characteristics

• The MAX267AENG+ is a low-power, monolithic, switched-capacitor active filter.
• It operates with a single power supply voltage ranging from 2.7V to 5.5V.
• This IC offers a high level of integration and requires minimal external components.
• It provides excellent performance in terms of signal filtering and noise reduction.

Package

The MAX267AENG+ is available in an 8-pin narrow SO package.

Essence

The essence of MAX267AENG+ lies in its ability to provide precise and efficient active filtering for audio signals.

Packaging/Quantity

The MAX267AENG+ is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 0V to VDD
• Output Voltage Range: 0V to VDD
• Total Harmonic Distortion: <0.1%
• Passband Gain: 0dB to 20dB
• Stopband Attenuation: >60dB

Detailed Pin Configuration

The MAX267AENG+ has the following pin configuration:

1. OUT: Output Pin
2. IN+: Positive Input Pin
3. IN-: Negative Input Pin
4. GND: Ground Pin
5. VDD: Power Supply Pin
6. NC: No Connection
7. FB: Feedback Pin
8. BP: Bypass Pin

Functional Features

• Low-power consumption
• High level of integration
• Precise active filtering
• Wide input and output voltage range
• Minimal external component requirement
• Excellent signal-to-noise ratio
• Easy to use and integrate into audio systems

Advantages and Disadvantages

Advantages

• Provides accurate and efficient active filtering for audio signals
• Low power consumption makes it suitable for portable devices
• Compact package size allows for space-saving designs
• Wide operating voltage range enhances versatility
• Excellent signal-to-noise ratio ensures high-quality audio output

Disadvantages

• Limited to audio applications, not suitable for other frequency ranges
• Availability may vary depending on the supplier and region
• Requires careful consideration of external component selection for optimal performance

Working Principles

The MAX267AENG+ utilizes switched-capacitor techniques to implement active filtering. It employs a combination of capacitors, resistors, and operational amplifiers to achieve precise frequency response characteristics. The internal circuitry generates clock signals that control the charging and discharging of the capacitors, resulting in the desired filter response.

Detailed Application Field Plans

The MAX267AENG+ finds extensive application in various audio-related fields, including:

1. Audio Amplifiers: Used as an active filter to enhance audio signal quality.
2. Audio Equalizers: Provides precise frequency shaping capabilities.
3. Audio Effects Processors: Enables advanced filtering and signal manipulation.
4. Audio Mixers: Enhances signal separation and noise reduction.
5. Audio Recording Equipment: Improves audio fidelity during recording and playback.

Detailed and Complete Alternative Models

1. MAX261AENG+: Similar to MAX267AENG+, but with different filter characteristics.
2. MAX266AENG+: Offers similar functionality with additional features for specific applications.
3. MAX268AENG+: Higher-performance version with improved specifications.
4. MAX263AENG+: Lower-cost alternative with slightly reduced performance.

These alternative models provide options for different filtering requirements and cost considerations, allowing designers to choose the most suitable solution for their specific application needs.

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