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CS42L50 데이터시트(PDF) 12 Page - Cirrus Logic |
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CS42L50 데이터시트(HTML) 12 Page - Cirrus Logic |
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12 / 48 page ![]() CS42L50 12 DS544PP1 SWITCHING CHARACTERISTICS (T A = -10 to 70° C; VA = 1.7 V - 3.3 V; Inputs: Logic 0 = GND, Logic 1 = VL, CL = 20 pF) 16. There must be exactly 32, 48, 64, or 128 SCLK periods per LRCK transition. Parameters Symbol Min Typ Max Units Input Sample Rate Single Speed Mode Double Speed Mode Fs Fs 2 50 - - 50 100 kHz kHz MCLK Pulse Width High MCLK/LRCK = 1024 8 - - ns MCLK Pulse Width Low MCLK/LRCK = 1024 8 - - ns MCLK Pulse Width High MCLK/LRCK = 768 10 - - ns MCLK Pulse Width Low MCLK/LRCK = 768 10 - - ns MCLK Pulse Width High MCLK/LRCK = 512 15 - - ns MCLK Pulse Width Low MCLK/LRCK = 512 15 - - ns MCLK Pulse Width High MCLK / LRCK = 384 or 192 25 - - ns MCLK Pulse Width Low MCLK / LRCK = 384 or 192 25 - - ns MCLK Pulse Width High MCLK / LRCK = 256 or 128 35 - - ns MCLK Pulse Width Low MCLK / LRCK = 256 or 128 35 - - ns Master Mode SCLK Falling to LRCK Edge tslrd -20 - 20 ns SCLK Falling to SDOUT Valid tsdo 0 - 20 ns SCLK Duty Cycle 40 50 60 % Slave Mode LRCK Duty Cycle 40 50 60 % Rise Time of Both LRCK and SCLK tr - - 10 ns Fall Time of Both LRCK and SCLK tf - - 10 ns SCLK Period (Note 16) Single Speed Mode Double Speed Mode tsclkw tsclkw - - - - ns ns SCLK Falling to LRCK Edge tslrd -20 - 20 ns SCLK Falling to SDOUT Valid Single Speed Mode Double Speed Mode tdss tdss - - - - ns ns 1 128 ()Fs ---------------------- 1 64 ()Fs ------------------ 1 (512)Fs 1 (256)Fs |
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