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AK7714 - 20-Bit Audio Codec

General Description

The AK7714 is a highly integrated audio processing IC with 20-bit stereo ADC and 4-channel DAC plus on-chip DSP with 64-kbit delay RAM.

Key Features

  • DSP: Word length: 24-bit (Data RAM) Instruction cycle time: 44.2 ns Multiplier: 24 x 16 40-bit Divider: 24 / 24 16-bit ALU: 34-bit arithmetic operation (Overflow margin: 4 bits) 24-bit arithmetic and logic operation 1, 2, 3, 4, 8 and 15 bits shifted left - Shift+Register: 1, 2, 3, 4, (6, 14), 8 and 15 bits shifted right ( )Numbers in parentheses are restricted. Provided with indirect shift function 448 x 32-bit - Program RAM: - Coefficient RAM: 384 x 16-bit 128 x 24-bit - Data RAM: - Internal de.

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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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[ASAHI KASEI] [AK7714] AK7714 20-Bit Audio Codec with DSP and Delay RAM General Description The AK7714 is a highly integrated audio processing IC with 20-bit stereo ADC and 4-channel DAC plus on-chip DSP with 64-kbit delay RAM. The built-in ADC has a dynamic range of 99 dB with S/(N+D) of 92 dB, and the DAC has a dynamic range of 98 dB with S/(N+D) of 89 dB, thereby ensuring high performances. The AK7714 is compatible with each of the sampling frequencies of 48 kHz, 44.1 kHz or 32 kHz, and a program of 512 steps (when sampling at 44.1 kHz or 32 kHz) can be executed in one sampling time. The AK7714 is a programmable audio DSP containing RAM for delay. This allows sound field control programs to be implemented for surround sound, echo 3D, parametric equalizer and the like.