MAX9880AEVKIT#

Series:	--
Part Status:	Active
Type:	Audio
Function:	CODEC
Embedded:	--
Utilized IC / Part:	MAX9880A
Primary Attributes:	--
Supplied Contents:	Board(s)
Secondary Attributes:	USB Powered

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Introduction

MAX9880AEVKIT# is an evaluation and demonstration board and kit designed by Maxim Integrated that is used by engineers in the application field and to demonstrate the working principle of the MAX9880A microphone preamplifier. In this evaluation kit, users can evaluate the MAX9880A part in various circuit configurations, controlling the part on-board with an external potentiometer via an I2C bus. The kit comes with an onboard microphone and a single-ended output that allows for direct observation of a microphone’s audio signal.

Features

The MAX9880AEVKIT# comes with a few key features, including:

• Evaluation of the MAX9880A device in various circuit configurations.
• Built-in microphone and single-ended output.
• On-board potentiometer with 3.3V/5V digital interface.
• On-board regulator and low noise power supply filter for DC power.
• A DIP switch to attenuate the microphone gain for level evaluation.
• Easy to use 4 layer PCB design and a user-friendly testing platform.

Application Field and Working Principle

The MAX9880AEVKIT# is suitable for a variety of microphone preamplification applications. This evaluation and demonstration board allow users to explore the applications of the MAX9880A microphone preamplifier, such as:

• Industrial, medical and consumer audio applications.
• Mobile phones, laptops and other audio enabled devices.
• Teleconferencing, speech recognition and audio playback systems.
• Noise cancelation and advanced microphone noise processing applications.

The MAX9880AEVKIT# provides an easy platform to explore and evaluate the performance of the MAX9880A microphone preamplifier – measuring gain, noise floor, and dynamic range. The evaluation system is designed to provide reliable results. Its impressive tonal accuracy ensures a clear and natural sounding result when operating in a musicians dynamic range.The MAX9880A microphone preamplifier is an integrated analog device featuring high performance specs, low power, and flexibility. The MAX9880A is designed to drive microphone signals over long lines without any significant degradation in audio quality. The I2C controlled potentiometer in-circuit and the on-chip mute control allows for easy control of the MAX9880A device. With the single-ended output test point, users can observe the microphone signal directly and monitor the MAX9880A’s performance. Additionally, to facilitate data analysis, the board is fully assembled with mini-JTAG connectors.

Conclusion

The MAX9880AEVKIT# evaluation and demonstration board and kit is an easy to use platform that allows users to explore the applications of the MAX9880A microphone preamplifier and to measure gain, noise floor, and dynamic range. It features an onboard microphone and a single-ended output, an onboard potentiometer with 3.3V/5V digital interface, an onboard regulator and low noise power supply filter for DC power, and a DIP switch to attenuate the microphone gain for level evaluation. Designed for industrial, medical and consumer audio applications, the MAX9880AEVKIT# provides reliable results with its impressive tonal accuracy, ensuring a clear and natural sounding result when operating in a musicians dynamic range.

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