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AK7738A - Multi DSP

General Description

The AK7738A is a highly integrated digital signal processor, including a 24-bit stereo ADC with MIC gain amplifiers, a 24-bit stereo ADC with input selector, a monaural ADC, two 32-bit stereo DACs, 4 stereo sampling rate convertors supporting the sampling frequency up to 192kHz, two DSPs and a Sub D

Key Features

  • DSP1/DSP2: (Memory areas are shared by DSP1 and DSP2) - Word length: 28-bit (Simple floating point supported) - Instruction cycle: 8.1ns (2560fs at fs=48kHz) - Multiplier: 24 x 24 → 48-bit (Double precision arithmetic available) - Divider: 24 / 24 → 24-bit (Floating point normalization function) - ALU: 52-bit arithmetic operation (with 4bits overflow margin) - Program RAM: 8192 word x 36-bit - Coefficient RAM: 6144 word x 24-bit - Data RAM: 6144 word x 28-bit - Delay.

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Other Datasheets by AKM (Asahi Kasei Microdevices)

Part Number Description
AK7738 Multi DSP
AK7734 Audio DSP
AK7735 Dual DSP
AK7736A 2Ch SRCAudio - HF DSP
AK7736B Audio/HF DSP

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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[AK7738A] AK7738A Multi DSP with 5ch ADC + 4ch DAC + 8ch SRC 1. General Description The AK7738A is a highly integrated digital signal processor, including a 24-bit stereo ADC with MIC gain amplifiers, a 24-bit stereo ADC with input selector, a monaural ADC, two 32-bit stereo DACs, 4 stereo sampling rate convertors supporting the sampling frequency up to 192kHz, two DSPs and a Sub DSP for Audio/HF process. Each two DSPs and a Sub DSP has 2560step/fs (when fs=48kHz) parallel processing power. The AK7738A is capable of processing sound and voice such as for hands-free function simultaneously because two DSPs are able to work on different but synchronized sampling frequencies.