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AD73322 Datasheet PDF - Analog Devices

Part NameDescriptionManufacturer
AD73322 Low Cost, Low Power CMOS General-Purpose Dual Analog Front End ADI
Analog Devices ADI
AD73322 Datasheet PDF : AD73322 pdf   
AD73322AR image

GENERAL DESCRIPTION
The AD73322 is a dual front-end processor for general-purpose applications including speech and telephony. It features two 16-bit A/D conversion channels and two 16-bit D/A conversion channels. Each channel provides 77␣ 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).

FEATURES
  Two 16-Bit A/D Converters
  Two 16-Bit D/A Converters
  Programmable Input/Output Sample Rates
  78 dB ADC SNR
  77 dB DAC SNR
  64 kS/s Maximum Sample Rate
  –90 dB Crosstalk
  Low Group Delay (25 μs Typ per ADC Channel, 50 μs Typ per DAC Channel)
  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 +5.5 V) Supply Operation
  73 mW Typ Power Consumption at 3.0 V
  On-Chip Reference
  28-Lead SOIC and 44-Lead LQFP Packages

APPLICATIONS
  General Purpose Analog I/O
  Speech Processing
  Cordless and Personal Communications
  Telephony
  Active Control of Sound and Vibration
  Data Communications
  Wireless Local Loop

 

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