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STLC7550 데이터시트

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STLC7550
ST-Microelectronics
STMicroelectronics ST-Microelectronics
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DESCRIPTION
The STLC7550 is a single chip Analog Front-end (AFE) designed to implement modems up to 56Kbps.
It has been especially designed for host processing application in which the modulation software (V.34bis, 56Kbps) is performed by the main application processor : Pentium, Risc or DSP processors.
The main target of this device is stand alone appliances as Hand Held PC (HPC), Personnal Digital Assistants (PDA), Webphones, Network Computers, Set Top Boxes for Digital Television (Satellite and Cable).
To comply with such applications STLC7550 is powered nominally at 3V only.

■ GENERAL PURPOSE SIGNAL PROCESSING ANALOG FRONT END (AFE)
■ TARGETED FOR V.34bis MODEM AND 56Kbps MODEM APPLICATIONS
■ 16-BIT OVERSAMPLING Σ∆ A/D AND D/A CONVERTERS
■ 83dB SIGNAL TO NOISE RATIO FOR SAMPLING FREQUENCY UP TO 9.6kHz @ 3V
■ 87dB DYNAMIC RANGE @ 3V
■ FILTER BANDWIDTHS : 0.425 x THE SAMPLING FREQUENCY
■ ON-CHIP REFERENCE VOLTAGE
■ SINGLE POWER SUPPLY RANGE : 2.7 TO 5.5V
■ LOW POWER CONSUMPTION LESS THAN 30mW OPERATING POWER 3V
■ STAND-BY MODE POWER CONSUMPTION LESS THAN 3µW at 3V
■ PROGRAMMING SAMPLING FREQUENCY
■ MAX. SAMPLING FREQUENCY : 45kHz
■ SYNCHRONOUS SERIAL INTERFACE FOR PROCESSOR DATAS EXCHANGE. MASTER OR SLAVE OPERATIONS
■ 0.50µm CMOS PROCESS
■ TQFP44 PACKAGE
■ STLC7546 MODE OF OPERATION COMPATIBLE

 

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