Audio DSP 方案比较表(ADI 、TI、Cirrus Logic)

Audio DSP 方案比较表(ADI 、TI、Cirrus Logic)

ADI 系列 PN DSP Core Speed ADC SNR ADC THD+N DAC SNR DAC THD+N Graphical Tool Control Interface SigmaDSP ADAU1701 28/56bit 50 MHz 100dB -83dB 104dB -90dB SigmaStudio I2C;SPI

ADI SigmaDSP ADAU1445/6 28/56bit 172 MHz / / / / SigmaStudio I2C;SPI

TI PurePath TAS3204 48bit 135MHz 102dB -93dB 105dB -95dB PurePath Studio I2C

Program RAM

1024 × 40-Bit

4k words

3K Words of 55Bit 1022 Words of 28Bit 768 Words of 48Bit 5.88K Words of 24-Bit Delay Memory (122.5 ms at 48 kHz) Buildin ROM ; 8051 MCU 3-Channnel Analog Input、 2-I2S 2-Channnel Analog Output、 2-I2S TQFP64

Parameter RAM 1024 × 32-Bit Data Memory 2k words

4k words 8k words

Delay Memory

40ms Delay Memory

170ms Delay Memory

Boot Input

serial EEPROM 2-Channnel Analog Input

serial EEPROM 24-Channnel Digitl Input

Output Package

4-Channnel Analog Output 48Pin-LQFP

24-Channnel Digitl Output 100Pin-LQFP

Audio DSP 方案比较表(ADI 、TI、Cirrus Logic)

Power Dissipation Standby Power Dissipation

286.5mW

500/640mW

627mW 825μW voltage regulators off / 23mW voltage regulators on

118mW

90mW

thirdparty algorithms (from Dolby, ADI Algorithms ADI Algorithms SRS, BBE, QSound, Licensed Audyssey, ...) BBE BBE Algorithms / SRS SRS and royalty-free DSP codes TI-algorithms Dolby Dolby (voice enhancement, bass enhancement, …)

Audio DSP 方案比较表(ADI 、TI、Cirrus Logic)

Cirrus Logic CS485xx Family Audio DSP CS48500 32bit 150~300 MIPS / / / / DSP Composer I2C;SPI 2k blocks assignable to data or program / 24k x 32 SRAM

external FLASH host control 12 Ch. Audio In / 6 Ch. SACD In 12 Ch.PCM Audio Out / S/PDIF 48Pin-LQFP

Audio DSP 方案比较表(ADI 、TI、Cirrus Logic)

480mW

348μW

Cirrus Bass Manager, Cirrus Dynamic Volume Leveler, Cirrus Original Multichannel Surround, Cirrus Virtual Speaker & Cirrus 3DAudio