AK7757 Overview
[AK7757] AK7757 Audio DSP with 24bit 3ch ADC + 4ch DAC + MIC Amp GENERAL D ESCRIPTION The AK7757 is a d igital signal processor with an integrated 4ch DAC, a stereo AD C with input selector, a mono ADC and an integrated digital au dio interface. The audio D SP has 1536 step/fs (at 48kHz sampling) parallel arithmetic operation performance. As the AK7757 is a R AM based DSP, it is programmable for user requirements to...
AK7757 Key Features
- Word length: 24bits (Da ta RAM: F24floating point)
- Processing Speed: 13.6 ns (9216step/fs; fs = 8kH z)
- Multiplication: 20 x 20 → 36-bit Double precision arithmet ic available
- Divider 20/ 20 → 20-bit
- ALU: 40-bit arithmetic operation (ov erflow margin 4bits) 24-bit floatingpoint arith metic and logic operation
- Program RAM: 4096 x 3 6bits
- CoefficientRAM: 4096 x 20bits
- Data RAM:2048 x 24bits (F24 floati ng point)
- Delay RAM: 4096 x 20bits, 4096 x 20 bits
- Master Clock: 73.7MHz