MAX9814 - Microphone Amplifier

Product Overview

Maxim Integrated Products

Part number	MAX9814
Manufacturer	Maxim Integrated Products
File Size	1.18 MB
Description	Microphone Amplifier
Datasheet	MAX9814 Datasheet
Additional preview pages of the MAX9814 datasheet.

The MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias.

a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator, and AGC control circuitry. The low-noise preamplifier has a fixed 12dB gain, while the VGA gain automatically adjusts from 20dB to 0dB, depending on the output voltage and the AGC threshold. The output amplifier offers selectable gains of 8dB, 18dB, and 28dB. With no compression, the cascade of the amplifiers results in an overall gain of 40dB, 50dB, or 60dB. A trilevel digital input pro.

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Published: Jun 5, 2009 |