SAN DIEGO-- AKM Semiconductor here today introduced the AK4380, a 24-bit stereo audio digital-to-analog converter (DAC) for consumer and professional electronics systems that require higher performance while remaining cost sensitive.
AKM, a subsidiary of Asahi Kasei Microsystems Co. of Tokyo, said ideal applications for the AK4380 include studio effects processors, DVD, players and AC3 amplifiers.
The new device is based on AKM's proprietary multi-bit Delta-Sigma technology, which offers high linearity, preserving the THD+N specified at 88 decibels for this device. It operates at sampling rates up to 96 kHz with a dynamic range specified at 100 dB. The AK4380 includes features a de-emphasis filter, a second order analog low pass filter, and soft mute.
According to Ahmad Nowbakht, AKM applications engineer, this part will allow customers to offer 24-bit 96-kHz operation while keeping total system cost to a minimum. "This expands AKM's product offering, providing the industry the widest selection of audio converters available from any one manufacturer," he maintained.
The AK4380 is packaged in a small 16-pin TSSOP package, only 6.4-mm-by-5.0-mm. Running from a 5-volt power supply, it dissipates only 70 milliwatts of power. Prototype quantitiesare available now, and it is priced at $1.59 each in quantities of 5,000.