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| 型號： | AD1953YSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DSP DAC AUDIO3CH/26BIT 48LQFP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | SigmaDSP® |
| 位數(shù)： | 26 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 3 |
| 電壓電源： | 模擬和數(shù)字 |
| 功率耗散（最大）： | 540mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸出數(shù)目和類型： | 6 電壓，單極 |
| 采樣率（每秒）： | 48k |
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AD1953
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. 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 companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2003 Analog Devices, Inc. All rights reserved.
FUNCTIONAL BLOCK DIAGRAM
SERIAL CONTROL
INTERFACE
MCLK
MUX
MCLK
GENERATOR
(256/512 fS)
DAC – L
DAC – R
DAC – SW
DATA CAPTURE
OUT/TDM OUT
AUDIO DATA
MUX
26
22
DSP CORE
DATA FORMAT:
3.23 (SINGLE PRECISION)
3.45 (DOUBLE PRECISION)
RAM
ROM
3
ANALOG
OUTPUTS
AD1953
MASTER CLOCK
OUTPUT
SERIAL DATA
INPUTS
MASTER
CLOCK INPUTS
SERIAL DATA
OUTPUT
SPI INPUT
SPI DATA
OUTPUT
AUX SERIAL
DATA INPUT
DIGITAL
OUTPUT
SigmaDSP 3-Channel, 26-Bit
Signal Processing DAC
FEATURES
5 V 3-Channel Audio DAC System
Digital Audio Output (2-Channel or 6-Channel
Packed Mode)
Accepts Sample Rates up to 48 kHz
7 Biquad Filter Sections per Channel
Dual Dynamic Processor with Arbitrary Input/Output
Curve and Adjustable Time Constants
0 ms to 6 ms Variable Delay/Channel for Speaker Alignment
Stereo Spreading Algorithm for Phat Stereo Effect
Program RAM Allows Complete New Program Download
via SPI Port
Parameter RAM Allows Complete Control of More Than
200 Parameters via SPI Port
SPI Port Features Safe-Upload Mode for Transparent
Filter Updates
2 Control Registers Allow Complete Control of Modes
and Memory Transfers
Differential Output for Optimum Performance
112 dB Signal-to-Noise (Not Muted) at 48 kHz Sample
Rate (A-Weighted Stereo)
70 dB Stop-Band Attenuation
On-Chip Clickless Volume Control
Hardware and Software Controllable Clickless Mute
Digital De-emphasis Processing for 32 kHz, 44.1 kHz, 48 kHz
Sample Rates
Flexible Serial Data Port with Right-Justified, Left-Justified,
I2S Compatible, and DSP Serial Port Modes
Auxiliary Digital Input
Graphical Custom Programming Tools
48-Lead LQFP Plastic Package
APPLICATIONS
2.0/2.1 Channel Audio Systems (2 Main Channels
Plus Subwoofer)
Multichannel Automotive Sound Systems
Multimedia Audio
Mini Component Stereo
Home Theater Systems (AC-3 Postprocessor)
Musical Instruments
In-Seat Sound Systems (Aircraft, Motor Coaches)
PRODUCT OVERVIEW
The AD1953 is a complete 26-bit, single-chip, 3-channel digital
audio playback system with built-in DSP functionality for speaker
equalization, dual-band compression/limiting, delay compensa-
tion, and image enhancement. These algorithms can be used to
compensate for real-world limitations of speakers, amplifiers,
and listening environments, resulting in a dramatic improvement
of perceived audio quality.
The signal processing used in the AD1953 is comparable to that
found in high end studio equipment. Most of the processing is
done in full 48-bit double-precision mode, resulting in very good
low level signal performance and the absence of limit cycles or
idle tones. The compressor/limiter uses a sophisticated two-band
algorithm often found in high end broadcast compressors.
(continued on page 9)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1953YSTZRL | 功能描述:IC DSP DAC AUDIO3CH/26BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SigmaDSP® 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD1953YSTZRL7 | 功能描述:IC DSP AUDIO 3CHAN 26BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SigmaDSP® 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD1954 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing DAC |
| AD1954YS | 制造商:Analog Devices 功能描述:DAC 3-CH Delta-Sigma 24-bit 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:THREE CHANNEL, 24-BIT SIGMADSP DAC - Bulk |
| AD1954YSRL | 制造商:Analog Devices 功能描述:DAC 3-CH Delta-Sigma 24-bit 44-Pin MQFP T/R |
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