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データシートサーチシステム |
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AT83SND2CMP3 データシート(PDF) 22 Page - ATMEL Corporation |
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AT83SND2CMP3 データシート(HTML) 22 Page - ATMEL Corporation |
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22 / 97 page  22 AT83SND2CMP3 7524B–MP3–05/06 DAC Features • 20 bit D/A Conversion • 72dB Dynamic Range, -75dB THD Stereo line-in or microphone interface with 20dB amplification • 93dB Dynamic Range, -80dB THD Stereo D/A conversion • 74dB Dynamic Range / -65dB THD for 20mW output power over 32 Ohm loads • Stereo, Mono and Reverse Stereo Mixer • Left/Right speaker short-circuit detection flag • Differential mono auxiliary input amplifier and PA driver • Audio sampling rates (Fs): 16, 22.05, 24, 32, 44.1 and 48 kHz. Figure 20. Stereo DAC functional diagram Digital Signals Timing Data Interface To avoid noises at the output, the reset state is maintained until proper synchronism is achieved in the DAC serial interface: •DSEL •SCLK • DCLK •DOUT The data interface allows three different data transfer modes: Digital Filter Digital Filter Volume Control Volume Control Volume Control Volume Control SPKR DRV 32 DAC DAC PGA PGA SPKR DRV 32 HSR HSL LINEL LINER Serial to Parallel Interface DSEL DCLK + + AUXN AUXP AUX PADRV MONON MONOP + + + DOUT SCLK DAC_OLC Gain 6 to -6dB (3dB) LLIG,RLIG Gain 20,12 to -33 dB (3dB) AUXG Gain PA Gain Line Out Gain LLOG, RLOG 0 to -46.5dB (1.5dB) Master Playback Gain 12 to -34dB (1.5dB) |
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