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AD1871YRSZ-REEL

更新时间： 2024-09-21 13:00:23
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亚德诺 - ADI /
页数 文件大小 规格书
28页 673K
描述
Stereo Audio, 24-bit, 96kHz, Multi-bit Sigma Delta ADC

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AD1871YRSZ-REEL 数据手册

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Stereo Audio, 24-Bit,  
96 kHz, Multibit ⌺-⌬ ADC  
a
AD1871  
FEATURES  
PRODUCT OVERVIEW  
5.0 V Stereo Audio ADC  
The AD1871 is a stereo audio ADC intended for digital audio  
applications requiring high performance analog-to-digital  
conversion. It features two 24-bit conversion channels each  
with programmable gain amplifier (PGA), multibit sigma-delta  
modulator, and decimation filters. Each channel provides 105 db  
of dynamic range, making the AD1871 suitable for applications  
such as digital audio recorders and mixing consoles.  
with 3.3 V Tolerant Digital Interface  
Supports 96 kHz Sample Rates  
Supports 16-/20-/24-Bit Word Lengths  
Multibit Sigma-Delta Modulators with  
“Perfect Differential Linearity Restoration” for  
Reduced Idle Tones and Noise Floor  
105 dB (Typ) Dynamic Range  
Each of the AD1871’s input channels (left and right) can be  
configured as either differential or single-ended (two inputs  
muxed with internal single-ended-to-differential conversion).  
The input PGA features a gain range of 0 dB to 12 dB in steps  
of 3 dB. The Σ-∆ modulator features a proprietary multibit  
architecture that realizes optimum performance over an audio  
bandwidth with standard audio sampling rates of 32 kHz up to  
96 kHz. The decimation filter response features very low pass-  
band ripple and excellent stop-band attenuation.  
Supports 256/512 and 768 
؋
 fS Master Clocks  
Flexible Serial Data Port  
Allows Right-Justified, Left-Justified, I2S Compatible  
and DSP Serial Port Modes  
Cascadable (up to Four Devices) from a Single DSP  
SPORT  
Device Control via SPI Compatible Serial Port or  
Optional Control Pins  
On-Chip Reference  
The AD1871’s audio data interface supports all common interface  
formats such as I2S, left-justified, right-justified as well as other  
modes that allow for convenient connection to general-purpose  
digital signal processors (DSPs). The AD1871 also features an  
SPI compatible serial control port that allows for convenient  
control of device parameters and functionality such as sample  
word-width, PGA settings, interface modes, and so on.  
28-Lead SSOP Package  
APPLICATIONS  
Professional Audio  
Mixing Consoles  
Musical Instruments  
Digital Audio Recorders, Including  
CD-R, MD, DVD-R, DAT, HDD  
Home Theater Systems  
Automotive Audio Systems  
Multimedia  
The AD1871 operates from a single 5 V power supply—with  
an optional digital interfacing capability of 3.3 V. It is housed in  
a 28-lead SSOP package and is characterized for operation  
over the temperature range –40°C to +105°C.  
FUNCTIONAL BLOCK DIAGRAM  
CAPLN CAPLP  
AVDD  
DVDD  
ODVDD  
CASC  
LRCLK  
BCLK  
DOUT  
VINLP  
VINLN  
MULTIBIT  
⌺-⌬  
MODULATOR  
ANALOG  
INPUT  
BUFFER  
DATA  
PORT  
DECIMATOR  
DIN  
RESET  
MCLK  
FILTER  
ENGINE  
CLOCK  
DIVIDER  
AD1871  
VREF  
CLATCH/(M/S)  
CCLK/(256/512)  
CIN/(DF1)  
VINRP  
ANALOG  
INPUT  
BUFFER  
MULTIBIT  
⌺-⌬  
MODULATOR  
SPI  
PORT  
DECIMATOR  
VINRN  
COUT/(DF0)  
XCTRL  
CAPRN CAPRP  
AGND  
DGND  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
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  
© Analog Devices, Inc., 2002  
 
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AD1871YRSZ-REEL 替代型号

型号 品牌 替代类型 描述 数据表
AD1871YRSZ ADI

完全替代

 Stereo Audio, 24-Bit, 96 kHz, Multibit - ADC
AD1871YRS ADI

完全替代

 Stereo Audio, 24-Bit, 96 kHz, Multibit ADC
AD1871YRS-REEL ADI

完全替代

 Stereo Audio, 24-Bit, 96 kHz, Multibit ADC

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