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HT82V731 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT82V731 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 7 page  HT82V731 Audio D/A Converter Block Diagram Pin Assignment Rev. 1.00 1 October 29, 2002 F eatures · CMOS technology · Low power consumption · Two voltage output channel in the same chip · 16-bit dynamic range · Low total harmonic distortion · 5 voltage single power supply · Data in 2¢s complement format, TTL · 8-pin SOP package Applications · Digital audio equipment · CD ROM/VCD · MPEG card General Description HT82V731 is a 16-bit digital-to-analog converter IC uti- lizing CMOS technology specially designed for stereo audio application. HT82V731 converts the 16 bits serial data into an ana- log output voltage. The digital data is internally con- verted to floating point expression whose format consists of 10 bits mantissa and 7step exponent. Using an R-string voltage divider, this floating point ex- pression data is then converted to analog voltage. It is compatible with TDA1311. It is available in 8-pin SOP package. D a t a L a t c h D A C O u t o p B C K W S D I N V D D R C H L C H . l o a t i n g D a t a C o n v e r s i o n + V D D o p + D A C . l o a t i n g D a t a C o n v e r s i o n o p + O u t O u t V S S 1 2 3 4 8 7 6 5 B C K W S D I N V S S R C H N C L C H V D D H T 8 2 V 7 3 1 8 S O P - A |
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