DAC Boosts Performance, Lowers Power

Eyeing next-generation portable and home music players and digital TVs, the WM8759 low-power, 24-bit stereo D/A converter packs an integrated headphone amplifier. The device is capable of delivering up to 50 mW of headphone power and supports 16- to 24-bit word data inputs at sampling rates up to 192 kHz. Operating on split analog/digital power supplies, active-mode power consumption is as low as 20 mW with 2.7V supplies with a standby current of less than 10 µA. The DAC also includes a hardware control interface for selection of audio data formats, a serial interface port, digital interpolation filters, and multi-bit sigma delta modulators. In a 14-pin SOIC package, price is $1.63 each/10,000. For more details, call WOLFSON MICROELECTRONICS PLC, Edinburgh, UK. +44 (0) 131 272 7000.