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CS4222 датащи(PDF) 4 Page - Cirrus Logic |
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CS4222 датащи(HTML) 4 Page - Cirrus Logic |
4 / 26 page SWITCHING CHARACTERISTICS (TA = 25°C; VA, VD = +5V ±5%, outputs loaded with 30pF) Parameter Symbol Min Typ Max Units Audio ADC’s & DAC’s Sample Rate Fs 4 - 50 kHz MCLK Frequency (MCLK = 256, 384, or 512 Fs) 1.024 - 26 MHz MCLK Pulse Width High MCLK = 512 Fs MCLK = 384 Fs MCLK = 256 Fs 10 21 31 - - - - - - ns ns ns MCLK Pulse Width Low MCLK = 512 Fs MCLK = 384 Fs MCLK = 256 Fs 10 21 31 - - - - - - ns ns ns MCLK Jitter Tolerance - 500 - ps RMS RST Low Time (Note 8) 10 - - ms SCLK Falling edge to SDOUT output valid (DSCK=0) tdpd -- 1 (384 )Fs + 20 ns LRCK edge to MSB valid tlrpd - - 25 ns SDIN Setup Time Before SCLK Rising Edge (DSCK=0) tds - - 25 ns SDIN Hold Time After SCLK Rising Edge (DSCK=0) tdh - - 25 ns SCLK Period tsckw 1 (128 ) Fs -- ns SCLK High Time tsckh 40 - - ns SCLK Low Time tsckl 40 - - ns SCLK Rising to LRCK Edge (DSCK=0) tlrckd 20 - - ns LRCK Edge to SCLK Rising (DSCK=0) tlrcks 40 - - ns Notes: 8. After powering up the CS4222, PDN should be held low for 10 ms to allow the power supply to settle. sckh sckl sckw t t t MSB MSB-1 *SCLK shown for DSCK = 0, SCLK inverted for DSCK = 1. tdpd SDOUT LRCK SCLK* SDIN dh t ds t lrpd t lrcks t lrckd t Serial Audio Port Data I/O timing CS4222 4 DS236PP3 |
Аналогичный номер детали - CS4222 |
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Аналогичное описание - CS4222 |
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