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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TAS5729MD датащи(PDF) 39 Page - Texas Instruments |
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TAS5729MD датащи(HTML) 39 Page - Texas Instruments |
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39 / 59 page  TAS5729MD www.ti.com SLOS836A – MAY 2013 – REVISED JUNE 2013 VOLUME REGISTERS (0x07, 0x08, 0x09) Step size is 0.125 dB and volume registers are 2 bytes. Master volume – 0x07 (default is mute) Channel-1 volume – 0x08 (default is 0 dB) Channel-2 volume – 0x09 (default is 0 dB) Volume Range: +24dB to -103.75dB Step-Size: 0.125dB Formula: Target Volume Level (dB) = 'V' • Step-1: Calculate (24-V)/0.125 • Step-2: Convert calculated decimal value to 2-byte hexadecimal to get the register hex-value Examples: Target Volume = 12dB • (24-12)/0.125 = 96 • Converting decimal value 96 to 2-byte hexadecimal gives x0060 Target Volume = 0dB • (24-0)/0.125 = 192 • Converting decimal value 192 to 2-byte hexadecimal gives x00C0 Target Volume = -12dB • (24-(-12)/0.125 = 36/0.125 = 288 • Converting decimal value 288 to 2-byte hexadecimal gives x0120 Copyright © 2013, Texas Instruments Incorporated 39 Product Folder Links: TAS5729MD |
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