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MAX9813 - Fixed-Gain Microphone Amplifiers

Download the MAX9813 datasheet PDF. This datasheet also covers the MAX9812 variant, as both devices belong to the same fixed-gain microphone amplifiers family and are provided as variant models within a single manufacturer datasheet.

Description

The MAX9812/MAX9813 are single/dual-input, 20dB fixed-gain microphone amplifiers.

They offer tiny packaging and a low-noise, integrated microphone bias, making them ideal for portable audio applications such as notebook computers, cell phones, and PDAs.

Features

  • include very low 230µA supply current and a total shutdown mode that cuts the combined supply and BIAS currents to only 100nA. The MAX9812 is a single amplifier in a 6-pin SC70 package (2mm x 2.1mm) and the MAX9813 is a dualinput amplifier available in an 8-pin SOT23 (3mm x 3mm) package. The MAX9813 has two inputs allowing two microphones to be multiplexed to a single output. The MAX9812/MAX9813 are offered in two grades. The MAX9812L/MAX981.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX9812-MaximIntegrated.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX9812 Fixed-Gain Microphone Amplifiers
MAX98091 Ultra-Low Power Stereo Audio Codec
MAX98303 Stereo 3.1W Class D Amplifier
MAX98306 Stereo 3.7W Class D Amplifier
MAX98307 3.3W Mono Class DG Multilevel Audio Amplifier

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MAX9812/MAX9813 Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias General Description The MAX9812/MAX9813 are single/dual-input, 20dB fixed-gain microphone amplifiers. They offer tiny packaging and a low-noise, integrated microphone bias, making them ideal for portable audio applications such as notebook computers, cell phones, and PDAs. These amplifiers feature a 500kHz bandwidth, rail-to-rail outputs, an industry-leading 100dB power-supply rejection ratio, and a very low 0.015% THD+N. Power-saving features include very low 230µA supply current and a total shutdown mode that cuts the combined supply and BIAS currents to only 100nA. The MAX9812 is a single amplifier in a 6-pin SC70 package (2mm x 2.
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