General Description

The MAX9860 is a low-power, voiceband, mono audio codec designed to provide a complete audio solution for wireless voice headsets and other mono voice audio devices. Using an on-chip bridge-tied load mono head phone amplifier, the MAX9860 can output 30mW into a 32Ωearpiece while operating from a single 1.8V power supply. Very low power consumption makes it an ideal choice for battery-powered applications.

Features

♦1.8V Single-Supply Operation

♦Digital Highpass Elliptical Filters with Notch for 217Hz (GSM)

♦Mono 30mW BTL Headphone Amplifier

♦Dual Low-Noise Microphone Inputs

♦Automatic Microphone Gain Control and Noise Gate

♦90dB DAC DR (fS= 48kHz)

♦81dB ADC DR (fS= 48kHz)

♦Supports Master Clock Frequencies from 10MHz to 60MHz

♦Supports Sample Rates from 8kHz to 48kHz

♦Flexible Digital Audio Interface

♦Clickless/Popless Operation

♦2-Wire, I2C-Compatible Control Interface

♦Available in 24-Pin, Thin QFN, 4mm x 4mm x 0.8mm Package

Applications

Audio Headsets

Portable Navigation Device

Mobile Phones

Smart Phones

VoIP Phones

Audio Accessories