UDA1309H - Philips

UDA1309H Low-power stereo bitstream ADC/DAC

GENERAL DESCRIPTION APPLICATION • Portable digital audio equipment. UDA1309H The UDA1309H is a single chip stereo analog-to-digital and digital-to-analog converter employing bitstream conversion techniques. The device is eminently suitable for use in low-power portable digital audio equipment which incorporates recording and playback functions. VERSION U.

Features

• Low power
• Integrated high-pass filter to cancel DC offset (ADC)
• Analog loop-through function
• Multiple digital input/output formats possible
• 256fs system clock frequency
• Several power-down modes
• Digital de-emphasis (DAC)
• Overload detector to enable automatic recording level adjustment (ADC)
• High dynamic range
• DAC requires only one capacitor for post-filtering
• Small 44-pin quad flat pack with 0.8 mm pitch
• 256fs system clock frequency in Analog-to-Digital (AD) and Digital-to-Analog (DA) mode
• Choice of three system clock frequencies (192fs, 256fs or 384fs) in DA mode. ORD.