AD1848 Overview
Key Features
- The AD1848K generates enable and direction controls for IC buffers such as 74_245
- The AD1848K SoundPort Stereo Codec supports a DMA request/grant architecture for transferring data with the host computer bus
- One or two DMA channels can be supported
- Programmed I/O (PIO) mode is also supported for control register accesses and for applications lacking DMA control
- External circuit requirements are limited to a minimal number of low cost support components
- Anti-imaging DAC output filters are incorporated on-chip
- Dynamic range exceeds 80 dB over the 20 kHz audio band
- Sample rates from 5.5 kHz to 48 kHz are supported from external crystals
- The Codec includes a stereo pair of ∑∆ analog-to-digital converters and a stereo pair of ∑∆ digital-to-analog converters
- The AD1848K is intended to provide a complete, single-chip audio solution for business audio and multimedia applicat
