AK7712中文资料PDF规格书
AK7712规格书详情
General Description
The AK7712A is a DSP(Digital Signal Processor) with built-in high performance 20bit 2ch ADC and 4ch DAC, on purposeto control the sound field. It is possible to calculate 383 steps on 44.1kHz and 48kHz sampling respectively. In case of 32kHz sampling, it can caluculate up to 511 steps. With a combination of this LSI and external memory for delay data,it can berealized easily to control the sound field such as Echo, Surround Presence Controller, and Key-control which are needed forsomething like Karaoke. Parametric Equalizing can be done without external memory.
Features
[ DSP unit ]
Word length: 24-bit (data RAM)
Instruction cycle time: 54ns(maximum speed)
Multiplier: 24 ×16 →40-bit
Divider: 16 ÷16 →16-bit
Program RAM: 384 ×32 bit
External memory: DRAM,Pseudo-SRAM and SRAM can be connected (only use for delay data).
Sampling frequency: 32kHz∼48kHz
Automatic clear function of external RAM:
47msec after bringing RST high at fs=48kHz (include internal data RAM)
Microcomputer interface:
synchronized signal type 8-bit serial input 1 channel,
synchronized signal type 24-bit serial output 1 channel
Master clock: 512(511)/384(383)/256(255)fs
The value inside ( ) is maximum calculation steps.
512fs mode is available when 32kHz sampling is chosen.
Conversion of master/slave mode for LRCK and BCLK:
When master mode is selected, the outputs of LRCK and BCLK depend on the set-up for input format.
Serial input ports(2~4ch), and output ports(2~6ch) : 16/20/24 bit words
[ ADC unit ]
20-bit 64 ×Oversampling ∆ΣADC: 2ch
S/(N+D): 92dB
DR, S/N: 98dB
[ DAC unit ]
20-bit 128 ×Oversampling ∆ΣDAC: 4ch
S/(N+D): 86dB
DR, S/N: 97dB
Digital HPF (fc=1Hz)
[ Total ]
Power supply: +5V
Package: 100pin LQFP(0.5mm pitch)
产品属性
- 型号:
AK7712
- 制造商:
AKM
- 制造商全称:
AKM
- 功能描述:
Built-in 20-bit ADC/DAC Sophisticated Audio DSP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
AKM |
23+ |
QFP |
20000 |
全新原装假一赔十 |
询价 | ||
AKM |
2020+ |
QFP100 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
AKM |
23+ |
QFP100 |
20000 |
原厂原装正品现货 |
询价 | ||
AKM |
20+/21+ |
QFP |
5600 |
全新原装进口价格优势 |
询价 | ||
AKM |
23+ |
TQFP100 |
7750 |
全新原装优势 |
询价 | ||
AKM |
2015+ |
QFP-100 |
300 |
原装现货低价销售 |
询价 | ||
AKM |
20+ |
QFP |
500 |
样品可出,优势库存欢迎实单 |
询价 | ||
AKM/旭化成 |
24+ |
TQFP-100 |
860000 |
明嘉莱只做原装正品现货 |
询价 | ||
AKM |
22+ |
QFP |
3600 |
绝对原装!现货热卖! |
询价 | ||
AKM/旭化成 |
23+ |
QFP-100 |
9980 |
原装正品,支持实单 |
询价 |