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AD73322LARU PDF预览

AD73322LARU

更新时间: 2024-01-20 18:28:49
品牌 Logo 应用领域
亚德诺 - ADI 电信集成电路电信电路光电二极管
页数 文件大小 规格书
40页 432K
描述
Low Cost, Low Power CMOS General-Purpose Dual Analog Front End

AD73322LARU 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LQFP,针数:44
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.58
Is Samacsys:NJESD-30 代码:S-PQFP-G44
JESD-609代码:e3长度:14 mm
湿度敏感等级:3功能数量:1
端子数量:44最高工作温度:105 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.6 mm
标称供电电压:3 V表面贴装:YES
技术:CMOS电信集成电路类型:TELECOM CIRCUIT
温度等级:INDUSTRIAL端子面层:Tin (Sn)
端子形式:GULL WING端子节距:1 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:14 mmBase Number Matches:1

AD73322LARU 数据手册

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Low Cost, Low Power CMOS  
General-Purpose Dual Analog Front End  
a
AD73322L  
FEATURES  
Two 16-Bit A/D Converters  
Two 16-Bit D/A Converters  
FUNCTIONAL BLOCK DIAGRAM  
AVDD1 AVDD2  
DVDD  
Programmable Input/Output Sample Rates  
78 dB ADC SNR  
78 dB DAC SNR  
64 kS/s Maximum Sample Rate  
–90 dB Crosstalk  
Low Group Delay (25 s Typ per ADC Channel,  
50 s Typ per DAC Channel)  
AD73322L  
VFBP1  
VINP1  
ADC CHANNEL 1  
DAC CHANNEL 1  
SDI  
VINN1  
VFBN1  
SDIFS  
VOUTP1  
VOUTN1  
SCLK  
Programmable Input/Output Gain  
Flexible Serial Port which Allows Up to Four Dual  
Codecs to be Connected in Cascade Giving Eight  
I/O Channels  
Single (2.7 V to 3.3 V) Supply Operation  
50 mW Typ Power Consumption at 3.0 V  
Temperature Range: –40C to +105C  
On-Chip Reference  
SE  
SPORT  
REFOUT  
REFCAP  
REFERENCE  
RESET  
VFBP2  
VINP2  
MCLK  
ADC CHANNEL 2  
VINN2  
VFBN2  
SDOFS  
SDO  
VOUTP2  
VOUTN2  
DAC CHANNEL 2  
AGND1 AGND2  
28-Lead SOIC, TSSOP, and 44-Lead LQFP Packages  
APPLICATIONS  
General-Purpose Analog I/O  
Speech Processing  
DGND  
Cordless and Personal Communications  
Telephony  
Active Control of Sound and Vibration  
Data Communications  
Wireless Local Loop  
GENERAL DESCRIPTION  
The A/D and D/A conversion channels feature programmable  
input/output gains with ranges 38 dB and 21 dB respectively.  
An on-chip reference voltage is included to allow single-  
supply operation.  
The AD73322L is a dual front-end processor for general pur-  
pose applications including speech and telephony. It features  
two 16-bit A/D conversion channels and two 16-bit D/A con-  
version channels. Each channel provides 78 dB signal-to-noise  
ratio over a voiceband signal bandwidth. It also features an  
input-to-output gain network in both the analog and digital  
domains. This is featured on both codecs and can be used for  
impedance matching or scaling when interfacing to Subscriber  
Line Interface Circuits (SLICs).  
The sampling rate of the codecs is programmable with four  
separate settings offering 64 kHz, 32 kHz, 16 kHz, and 8 kHz  
sampling rates (from a master clock of 16.384 MHz).  
A serial port (SPORT) allows easy interfacing of single or cas-  
caded devices to industry standard DSP engines. The SPORT  
transfer rate is programmable to allow interfacing to both fast  
and slow DSP engines.  
The AD73322L is particularly suitable for a variety of applica-  
tions in the speech and telephony area, including low bit rate,  
high quality compression, speech enhancement, recognition and  
synthesis. The low group delay characteristic of the part makes  
it suitable for single or multichannel active control applications.  
The AD73322L is available in 28-lead SOIC, 28-lead TSSOP,  
and 44-lead LQFP packages.  
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., 2001  

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