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AK7746中文资料

厂家型号

AK7746

文件大小

397.46Kbytes

页面数量

62

功能描述

Audio DSP with 5-channel 24-bit ADC and Input Mux

数据手册

下载地址一下载地址二到原厂下载

生产厂商

Asahi Kasei Microsystems

简称

AKM旭化成微电子

中文名称

旭化成微电子株式会社官网

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AK7746数据手册规格书PDF详情

General Description

The AK7746 is a highly integrated audio processor, including 5 A/D channels, an input mux that can select 2 stereo pairs from 8 stereo inputs, and an on-chip DSP. High quality analog performance is provided by the ADC’s achieving 98dB (48kHz) dynamic range. The A/D supports sampling frequencies from 8kHz to 96kHz. The AK7746 includes 72kbits of SRAM for audio delay that is suitable for simulated surround functions and speaker compensation.

Features

DSP:

- Word length: 24-bit (Data RAM)

- Instruction cycle time: 27ns (768fs, fs=48kHz )

- Multiplier: 24 x 16 → 40-bit

- Divider: 24 / 24 → 16-bit or 24-bit

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

- 24-bit arithmetic and logic operation

- Shift+Register: 1, 2, 3, 4, 6, 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: 768 x 32-bit

- Coefficient RAM: 1024 x 16-bit

- Data RAM: 256 x 24-bit

- Offset RAM: 48 x 13-bit (6144 x 12-bit / 3072 x 24-bit / 4096 x 12-bit + 1024 x 24-bit )

- Internal Memory: 72kbit SRAM

- Sampling frequency: 8kHz to 96kHz

- Serial interface port for micro-controller

- Master clock: 768fs@48kHz ( generated by PLL from 256fs or 384fs )

- Master/Slave operation

- Serial signal input port ( 8(10) ch ):16/20/24-bit : Output port ( 8ch + 4ch ): 24-bit

ADC: 4 channels (2 channels 2 sets )

- 24-bit 64 x Over-sampling delta sigma

- Sampling frequency: 8kHz to 96kHz

- DR: 98dBA ( fs=48 kHz Full-differential Input )

- S/N : 98dBA ( fs=48 kHz Full-differential Input )

- S/(N+D) : 91dB ( fs= 48 kHz Full-differential Input )

- Digital HPF (fc = 1Hz)

- Single-ended or Full-differential Input

ADC: Monaural 1 channel

- 24-bit 64x Over-sampling delta sigma

- Sampling frequency: 8kHz to 96kHz

- DR: 97dBA ( fs=48 kHz )

- S/N : 97dBA ( fs=48 kHz )

- S/(N+D) : 91dB ( fs= 48 kHz )

Other

- External Jump pin: 3(maximum)

- CRC error check function

- LRCLK and BITCLK input and output for slave mode

- Power supply: +3.3V±0.3V

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

- Package: 64pin LQFP (0.5mm pitch)

AK7746产品属性

  • 类型

    描述

  • 型号

    AK7746

  • 制造商

    AKM

  • 制造商全称

    AKM

  • 功能描述

    Audio DSP with 5-channel 24-bit ADC and Input Mux

更新时间:2025-5-28 15:01:00
供应商 型号 品牌 批号 封装 库存 备注 价格
AKM
23+
原厂原包
19960
只做进口原装 终端工厂免费送样
AKM
23+
TQFP
7512
绝对全新原装!现货!特价!请放心订购!
AKM
25+
LQFP64
2500
强调现货,随时查询!
AKM
24+
QFP
1169
AKM
2006
LQFP64
937
原装现货海量库存欢迎咨询
AKM
22+
QFP
8200
原装现货库存.价格优势!!
AKM
20+
QFP
500
样品可出,优势库存欢迎实单
AKM
2447
QFP
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
AKM
2138+
TQFP
8960
专营BGA,QFP原装现货,假一赔十
AKM
23+
LQFP64
4500
全新原装、诚信经营、公司现货销售!

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Asahi Kasei Microsystems 旭化成微电子株式会社

中文资料: 2555条

旭化成微电子(Asahi Kasei Microsystems,简称AKM)是旭化成集团旗下的一家子公司,成立于1988年,总部位于日本,是一家专业从事高性能半导体产品开发和制造的公司。AKM主要专注于音频信号处理、传感器和RF(射频)产品领域,提供创新的解决方案以满足不同市场的需求。 AKM以其在音频技术方面的领导地位而闻名,尤其是其高品质音频DAC(数字-模拟转换器)和ADC(模拟-数字转换器),广泛应用于消费电子、汽车电子和专业音频设备等领域。AKM的产品因其卓越的音质和性能而受到市场的高度认可。 此外,AKM还涉足MEMS(微机电系统)传感器和各种环境传感器的开发,致力于提供用于物联网