ICS2002 Datasheet, PDF (1/21 Pages) Integrated Circuit Systems – Wavedec Digital Audio Codec

Integrated
Circuit
Systems, Inc.
ICS2002
Wavedec™ Digital Audio Codec
Description
The ICS2002 is a mixed-signal integrated circuit providing a
low-cost recording and playback solution for multimedia audio
applications. These applications include document annotation,
voice mail, interactive games, multimedia sound record/play-
back, and Windows™ sound production. The ICS2002 sup-
ports the record and playback of 16-bit audio data, and provides
a 8/16-bit parallel interface to the industry standard PC bus.
Features
• Digital audio 8/16-bit record/playback
• Fully programmable sample rates including industry
standards:
- 44.1 kHz
- 22.050 kHz
- 11.025 kHz
- 8.00 kHz
- 5.513 kHz
• DAC output oversampled to simplify external filtering.
• Four data formats:
- 16 bit linear
- 8 bit linear
- 8 bit u-law
- 8 bit a-law
• 16 step analog output level control, -1.5dB/step
• 8-bit log scale digital volume control
• Oversampling ADC with input filter.
• Programmable IIR filters for input anti-aliasing and output
reconstruction.
• ISA bus interface
• 8/16-bit DMA and I/O transfer modes
• Input/output FIFO buffer
• Power-down mode
• 44-pin PLCC package
Block Diagram
ICS2002RevF093094
Wavedec is a trademark of Integrated Circuit Systems, Inc.