DESCRIPTION

· The AK4115 is a 24-bit stereo digital audio transceiver supporting sampling rates up to 216kHz.
· It features a channel status bit decoder for consumer and professional modes, with automatic Non-PCM bit stream detection.
· Includes differential cable driver and receiver support, and an internal PLL for clock sources like bi-phase and "word clock".
· Controlled via μP or pin-strapping, packaged in a 64pin-LQFP.

FEATURES

· Compatible with AES3, IEC60958, S/PDIF, EIAJ CP1201.
· Low jitter analog PLL, supports synchronous/asynchronous modes.
· Includes two crystal oscillators, PLL or external clock source.
· 8-channel receiver input with one differential input, 2-channel transmission output with one differential output.
· Auxiliary digital input, de-emphasis for 32kHz, 44.1kHz, 48kHz.
· Detection functions for Non-PCM, DTS-CD, sampling frequency, unlock & parity error, DAT start ID.
· Supports up to 24bit audio data format, master or slave mode audio interface.
· 192-bit channel status buffer, burst preamble bit buffer, Q-subcode buffer.
· Serial μP interface: 4-wire or I2C, two master clock outputs, operates at 2.7 to 3.6V with 5V logic tolerance.
· Temperature range: -20 to 85°C.

APPLICATIONS

· High-quality digital audio interfaces.
· Professional audio equipment.
· Consumer audio devices.
· Audio processing systems requiring high sampling rates and low jitter.