CS4231A

Features:

· Windows Sound SystemTM Compatible Codec
· ADPCM Compression/Decompression
· Extensive Software Support
· MPC Level 2 Compatible Mixer
· Dual DMA Registers support Full Duplex Operation
· On-Chip FIFOs for higher performance
· Selectable Serial Audio Data Port
· Pin Compatible with CS4231/CS4248


Specifications

Parameter		Symbol	Min	Max	Unit
Power Supplies:	Digital Analog	VD1-VD4 VA1,VA2	-0.3 -0.3	6.0 6.0	V V
Input Current per Pin	(Except Supply Pins)		-10.0	±10	mW
Output Current per Pin	(Except Supply Pins)		-50	+50	mA
Analog Input Voltage			-0.3	VA+0.3	V
Digital Input voltage			-0.3	500	mW
Ambient Temperature	(Power Applied)		-55	+125	°C
Storage Temperature			-65	+150	°C

Description

The CS4231A includes stereo 16-bit audio converters and complete on-chip filtering for record and playback of 16-bit audio data. In addition, analog mixing and programmable gain and attenuation are included to provide a complete audio subsystem. A selectable serial port can pass audio data to and from DSPs or ASICs. Crystal-developed high-performance software drivers for various operating systems are available that support all the CS4231A features including full duplex transfers. The CS4231A is a pin compatible upgrade to the CS4231 and CS4248.