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CS53L32A-BZ Datasheet(PDF) 10 Page - Cirrus Logic |
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CS53L32A-BZ Datasheet(HTML) 10 Page - Cirrus Logic |
10 / 40 page CS53L32A 10 DS513F1 SWITCHING CHARACTERISTICS (T A = -10 to 70° C; VA = 1.7 V - 3.6 V; Inputs: Logic 0 = GND, Logic 1 = VL, CL = 20 pF) 8. There must be exactly 32, 48, 64, or 128 SCLK periods per LRCK transition. 9. Slave Mode operation requires an exact 50% duty cycle. Otherwise the CS53L32A will produce erroneous data. Parameters Symbol Min Typ Max Units Input Sample Rate Base Rate Mode High Rate 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 21 - - ns MCLK Pulse Width Low MCLK / LRCK = 384 or 192 21 - - ns MCLK Pulse Width High MCLK / LRCK = 256 or 128 31 - - ns MCLK Pulse Width Low MCLK / LRCK = 256 or 128 31 - - 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 Notes 8, 9 - 50 - % Rise Time of Both LRCK and SCLK tr - - 10 ns Fall Time of Both LRCK and SCLK tf - - 10 ns SCLK Period Base Rate Mode High Rate Mode tsclkw tsclkw - - - - ns ns SCLK Falling to LRCK Edge tslrd -20 - 20 ns SCLK Falling to SDOUT Valid Base Rate Mode High Rate Mode tdss tdss - - - - ns ns NOTE: When operating the CS53L32A Revision C in Slave Mode, Base Rate Mode, certain timing requirements must be met in addition to those specified above. The required timing relationship between the MCLK and LRCK is shown in Figures 3. An MCLK rising edge cannot lead an LRCK transition by 6ns to 10ns. 1 128 ()Fs ---------------------- 1 64 ()Fs ------------------ 1 (512)Fs 1 (256)Fs |
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