GENERAL DESCRIPTION

The XE3005 is an ultra low-power CODEC (Analog to Digital and Digital to Analog Converter) for voice and audio applications. It includes microphone supply, preamplifier, 16-bit ADC, 16-bit DAC, serial audio interface, power management and clock management for the ADC and the DAC. The sampling frequency of the ADC and of the DAC can be adjusted from 4 kHz to 48 kHz.

FEATURES

• Ultra low-power consumption, below 2 mW

• Low-voltage operation down to 1.8 V

• Sandman™ function to reduce system power consumption (XE3006)

• Single supply voltage

• Adjustable sampling frequency: 4 – 48 kHz

• Digital format: 16 bit 2s complement

• Requires a minimum number of external components

• Easy interfacing to various DSPs

• Direct connection to microphone and speaker

• Various programming options

APPLICATIONS

• Wireless Headsets

• Bluetooth™ headset

• Hands-free telephony

• Digital hearing instruments

• Consumer and multimedia applications

• All battery-operated portable audio devices