ADSST-MEL322

Product Summary

The ADSST-MEL322 is a 32-bit Floating-Point Audio Processor from Analog Devices. The ADSST-MEL322 provides flexible solutions and delivers a host of features across high end and high fidelity audio systems to the AV receiver and DVD markets. It includes multichannel audio decoders, encoders, and post processors for digital audio designs using DSP chipsets in home theater systems and automotive audio receivers. The applications of the ADSST-MEL322 incldue Home Theater AVR Systems, Automotive Audio Receivers, Video Game Consoles, DVD Players, Cable and Satellite Set-Top Boxes, Multimedia Audio/Video Gateways.

Parametrics

ADSST-MEL322 absolute maximum ratings: (1)Supply Voltage: -0.3 V to +4.6 V; (2)Input Voltage: -0.5 V to VDD +0.5 V; (3)Output Voltage Swing: -0.5 V to VDD +0.5 V; (4)Load Capacitance: 200 pF; (5)Junction Temperature Under Bias: 130℃; (6)Storage Temperature Range: -65℃ to +150℃; (7)Lead Temperature (5 seconds): 280℃.

Features

ADSST-MEL322 features: (1)Super Harvard Architecture Computer (SHARC); (2)4 Independent Buses for Dual Data, Instruction, and I/O Fetch on a Single Cycle; (3)32-Bit Fixed-Point Arithmetic; 32-Bit and 40-Bit Floating-Point Arithmetic; (4)544 Kbits On-Chip SRAM Memory, Integrated I/O Peripheral I2S Support for 8 Simultaneous Receive and Transmit Channels; (5)66 MIPS, 198 MFLOPS Peak, 132 MFLOPS Sustained Performance; (6)User-Configurable 544 Kbits On-Chip SRAM Memory; (7)2 External Port, DMA Channels and 8 Serial Port, DMA Channels; (8)Decodes Industry Standard Formats Using a 32-Bit Floating Point Implementation for Decoding; (9)Dolby Digital AC-3, Dolby Digital EX Processing; (10)Dolby Pro Logic 96 kHz, Dolby Pro Logic II; (11)Dolby Headphone, Dolby 3/0; (12)DTS 5.1, DTS-ES?Discreet 6.1, DTS Matrix and Matrix 3.0, DTS 96/24 DTS NEO: 6; (13)THX Ultra, Select, Ultra2, 5.1, 7.1, EX; (14)SRS Labs Circle Surround IITM, Virtual Loudspeaker; (15)MPEG AAC, MPEG2 Decode, MPEG 2-Channel Decode; (16)PCM, PCM 96 kHz; (17)HDCD, MLP; (18)Delay 7.1, 96 kHz; (19)Bass 7.1, 96 kHz, Bass/Treble 2 Channel; (20)ADI Surround: Club, Music, and Stadium; (21)AAC (LC), AAC (LC) 2 Channel, AAC MP; (22)WaveSurround 5.1 Channel to Headphone, Stereo to Headphone, Channel to Loudspeaker, Stereo to Loudspeaker; (23)Downsampling 96 kHz to 48 kHz (2-Channel); (24)3-Band Equalizer, 2-Channel; (25)Encoders: AC-3 2-Channel Consumer Encoder; (26)Single Chip DSP-Based Implementation of Digital Audio Algorithms; (27)I2S Compatible Ports; (28)Interface to External SDRAM; (29)Easy Interfaces to Audio Codecs; (30)96 kHz Processing; (31)Supports Customer Specific Post Processing; (32)Automatic Stream Detection and Code Loading; (33)Easy to Use Software Architecture; (34)Optimized Library of Routines; (35)Host Communication Using 16-Bit Parallel Port or SPI Port; (36)Highly Flexible Serial Ports; (37)SRAM Interface for More Delay; (38)Supports IEC60958 For Bit Streams; (39)8-Channel Output Using TDM Codecs.

Diagrams