Datasheet > AK7706VT

AK7706VT

更新时间： 2024-01-04 10:24:54

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Consumer IC

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AK7706VT 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
Base Number Matches：	1

AK7706VT 数据手册

[ASAHI KASEI]

[AK7706]

AK7706

24bit 6ch input and 8ch output Audio DSP

General Description

The AK7706 is a highly integrated audio processing IC, including 24-bit output 8 channels and 24-bit input 6

channels, on-chip DSP. This DSP supports the standard audio sampling frequencies of 48,44.1 and 32kHz.

The programmable DSP is optimized for audio signal processing. The design allows up to 512 execution lines

per audio sample cycle, with multiple functions per line. And it can allows up to 256 execution lines on double

speed audio sample cycle ( 88.2kHz and 96kHz ).

The AK7706 can be used to implement complete sound field control, such as echo, 3D, parametric

equalization, etc. It is packaged in a 64-lead LQFP package. Also it is available to use on 3.3V power supply.

Features

DSP:

Word length:

24-bit (Data RAM)

Instruction cycle time: 40.7ns (512fs, fs=48kHz @5.0V or 256fs, fs=96kHz @5.0V)

54.2ns (384fs, fs=48kHz @3.3V)

Multiplier: 24 x 16 ® 40-bit

Divider:

ALU:

24 / 24 ® 16-bit

34-bit arithmetic operation (Overflow margin: 4bit)

24-bit arithmetic and logic operation

Shift+Register: 1, 2, 3, 4, 8 and 15 bits shifted left

1, 2, 3, 4, 8 and 15 bits shifted right

Other numbers in parentheses are restricted. Provided with indirect shift function

Program RAM:

Coefficient RAM:

Data RAM:

Offset RAM:

External Memory:

Sampling frequency: 32kHz to 96kHz

Serial interface port for micro-controller

512 x 32-bit

384 x 16-bit

256 x 24-bit

48 x 20-bit

Up to16Mbit DRAM or up to 1Mbit SRAM

Master clock: 512fs, 384fs, 256fs(512fs available only at 5.0V power supply )

Master/Slave operation

Serial signal input port ( 6 ch ): 16/20/24-bit MSB-justify, I²S, LSB-justify

Serial signal output port ( 8 ch ): 24-bit : MSB-justify, I²S

Other

Power supply:

Operating temperature range: -40°C~85°C

+5.0V±5% or +3.3V±10%

Package: 64pin LQFP (0.5mm pitch)

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<M0058-E-01>

1999/10

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