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MAX9814

Maxim Integrated Products
Part Number MAX9814
Manufacturer Maxim Integrated Products
Description Microphone Amplifier
Published Jun 5, 2009
Detailed Description 19-0764; Rev 0; 3/07 KIT ATION EVALU E L B AVAILA Microphone Amplifier with AGC and Low-Noise Microphone Bias General ...
Datasheet PDF File MAX9814 PDF File

MAX9814
MAX9814

Overview
19-0764; Rev 0; 3/07 KIT ATION EVALU E L B AVAILA Microphone Amplifier with AGC and Low-Noise Microphone Bias General Description o Automatic Gain Control (AGC) o Three Gain Settings (40dB, 50dB, 60dB) o Programmable Attack Time o Programmable Attack and Release Ratio o 2.
7V to 5.
5V Supply Voltage Range o Low Input-Referred Noise Density of 30nV/√Hz o Low THD: 0.
04% (typ) o Low-Power Shutdown Mode o Internal Low-Noise Microphone Bias, 2V o Available in the Space-Saving 12-Bump UCSP (1.
5mm x 2mm) and 14-Pin TDFN (3mm x 3mm) Packages o -40°C to +85°C Extended Temperature Range www.
datasheet4u.
com Features MAX9814 The MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and lownoise microphone bias.
The device features 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 fro...


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