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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS4218 датащи(PDF) 5 Page - Cirrus Logic |
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CS4218 датащи(HTML) 5 Page - Cirrus Logic |
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5 / 44 page  SWITCHING CHARACTERISTICS (TA = 25°C; VA, VD = +5V, outputs loaded with 30 pF; Input Levels: Logic 0 = 0V, Logic 1 = VD) Parameter Symbol Min Typ Max Units Input clock (CLKIN) frequency SM3 Multiplier Mode CLKIN 64 768 800 KHz SM3 Master and Slave Modes, SM4, SM5 CLKIN 1.024 12.288 12.8 MHz CLKIN low time tckl 15 - - ns CLKIN high time tckh 15 - - ns Sample Rate (Note 1) Fs 4 - 50 kHz DI pins setup time to SCLK edge (Note 1) ts2 10 - - ns DI pins hold time from SCLK edge (Note 1) th2 8- - ns DO pins delay from SCLK edge tpd2 - - 30 ns SCLK and SSYNC output All master Modes (Note 1) tpd3 - - 50 ns delay from CLKIN rising SCLK period All master Modes (Notes 1,7) tsckw - 1/(Fs*bpf) - s Slave Mode 75 - - ns SCLK high time Slave Mode tsckh 30 - - ns SCLK low time Slave Mode tsckl 30 - - ns SDIN, SSYNC setup time to SCLK edge Slave Mode ts1 15 - - ns SDIN, SSYNC hold time from SCLK edge Slave Mode th1 10 - - ns SDOUT delay from SCLK edge tpd1 - - 28 ns Output to Hi-Z state bit 64 (Note 1) thz - - 12 ns Output to non-Hi-Z bit 1 (Note 1) tnz 15 - - ns RESET pulse width low 500 - - ns CCS low to CCLK rising SM4 (Note 1) tcslcc 25 - - ns CDIN setup to CCLK falling SM4 (Note 1) tdiscc 15 - - ns CCLK low to CDIN invalid (hold time) SM4 (Note 1) tccdih 10 - - ns CCLK high time SM4 (Note 1) tcclhh 25 - - ns CCLK low time SM4 (Note 1) tcclhl 25 - - ns CCLK Period SM4 (Note 1) tcclkw 75 - - ns CCLK rising to CDOUT data valid SM4 (Note 1) tccdov - - 30 ns CCLK rising to CDOUT Hi-Z SM4 (Note 1) tccdot - - 30 ns CCLK falling to CCS high SM4 (Note 1) tcccsh 0- - ns RESET low time prior to PDN rising trph 100 - - ns RESET low hold time after PDN rising trhold 50 - - ms Notes: 7. When the CS4218 is in master modes (SSYNC and SCLK outputs), the SCLK duty cycle is 50%. The equation is based on the selected sample frequency (Fs) and the number of bits per frame (bpf). CS4218 DS135F1 5 |
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