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AK7757

AKM
Part Number AK7757
Manufacturer AKM
Description 24bit 3ch ADC +4ch DAC + Mic AmpAudio DSP
Published May 11, 2014
Detailed Description [AK7757] AK7757 Audio DSP with 24bit 3ch ADC + 4ch DAC + MIC Amp GENERAL D ESCRIPTION The AK7757 is a d igital signal p...
Datasheet PDF File AK7757 PDF File

AK7757
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 realize the audio e ffects process or th e proprietary high-performance HF.
It is housed in a 48pin LQFP which is a small package to save the PCB space.
FEATURES † DSP - 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...


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