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AD1941YSTZ

更新时间： 2024-11-25 08:15:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	312K
描述
SigmaDSP-TM Multichannel 28-Bit Audio Processor

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AD1941YSTZ 数据手册

SigmaDSP^TMMultichannel

28-Bit Audio Processor

Preliminary Technical Data

AD1941

FEATURES

APPLICATIONS

16-channel digital audio processor

Accepts sample rates up to 192 kHz

28-bit × 28-bit multiplier with full 56-bit accumulator

Fully-programmable program RAM for custom

program download

Automotive sound systems

Digital televisions

Home theater systems (Dolby Digital/DTS postprocessor)

Multichannel audio systems

Mini-component stereos

Parameter RAM allows complete control of 1,024 parameters

Multimedia audio

Control port features safeload for transparent parameter

updates and complete mode and memory transfer control

Target/slew RAM for click-free volume control and dynamic

parameter updates

Digital speaker crossover

Musical instruments

In-seat sound systems (aircrafts/motor coaches)

Double precision mode for full 56-bit processing

PLL for generating MCLK from 64 × f_S, 256 × f_S, 384 × f_S, or

512 × f_Sclocks

FUNCTIONAL BLOCK DIAGRAM

Hardware-accelerated DSP core

21 kB (6,144 words) data memory for up to 128 ms of audio

delay at f_s= 48 kHz

AD1940

VOLTAGE

REGULATOR

Flexible serial data port with I²S compatible, left-justified,

and right-justified serial port modes

8- and 16-channel TDM input/output modes

28 × 28

DSP CORE

SERIAL DATA/

TDM INPUTS

On-chip voltage regulator for compatibility with 3.3 V and

5 V systems

Programmable low power mode

Fast start-up and boot time from power on or reset

48-lead LQFP plastic package

DATA FORMAT:

SERIAL

DATA/

TDM

5.23 (SINGLE

PRECISION)

MASTER

CLOCK

INPUT

PLL

OUTPUTS

10.46 (DOUBLE

PRECISION)

SERIAL

CONTROL

INTERFACE

SPI I/O

RAM

ROM

Figure 1.

GENERAL DESCRIPTION

The AD1941 is a complete 28-bit, single-chip, multichannel

audio DSP for equalization, multiband dynamics processing,

delay compensation, speaker compensation, and image

enhancement. These algorithms can be used to compensate for

the real-world limitations of speakers, amplifiers, and listening

environments, resulting in a dramatic improvement of

perceived audio quality.

The AD1941 is a fully-programmable DSP. Easy to use software

allows the user to graphically configure a custom signal

processing flow using blocks such as biquad filters, dynamics

processors, and surround sound processors. An extensive

control port allows click-free parameter updates, along with

readback capability from any point in the algorithm flow.

The AD1941’s digital input and output ports allow a glueless

connection to ADCs and DACs by multiple, 2-channel serial

data streams or TDM data streams. When in TDM mode, the

AD1941 can input 8 or 16 channels of serial data, and can

output either 8 or 16 channels of serial data. The input and

output port configurations can be individually set. The AD1941

is controlled on a 2-wire I²C bus.

The signal processing used in the AD1941 is comparable to that

found in high end studio equipment. Most of the processing is

done in full, 56-bit double-precision mode, resulting in very

good low level signal performance and the absence of limit

cycles or idle tones. The dynamics processor uses a sophisti-

cated, multiple-breakpoint algorithm often found in high end

broadcast compressors.

Rev. PrE

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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AD1941YSTZ 替代型号

型号	品牌	替代类型	描述	数据表
AD1940YSTZ	ADI	完全替代	暂无描述
AD1940YSTZRL	ADI	功能相似	SigmaDSP-TM Multichannel 28-Bit Audio Processor
AD1940YSTRL	ADI	功能相似	SigmaDSP-TM Multichannel 28-Bit Audio Processor

与AD1941YSTZ相关器件

型号	品牌	获取价格	描述	数据表
AD1941YSTZRL	ADI	获取价格	SigmaDSP-TM Multichannel 28-Bit Audio Processor
AD1953	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing
AD1953YST	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing
AD1953YSTRL	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing
AD1953YSTRL7	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing
AD1953YSTZ	ADI	获取价格	SigmaDSP® Digital Audio Processor
AD1954	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing
AD1954YS	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing
AD1954YS	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PQFP44, MO-112AB, MQFP-44
AD1954YSRL	ADI	获取价格	SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing

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