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ADPD4200 датащи(PDF) 8 Page - Analog Devices |
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ADPD4200 датащи(HTML) 8 Page - Analog Devices |
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8 / 93 page ![]() Data Sheet ADPD4200 SPECIFICATIONS analog.com Rev. 0 | 8 of 93 TIMING SPECIFICATIONS Table 6. SPI Timing Specifications Parameter Symbol Test Conditions/Comments Min Typ Max Unit SPI PORT SCLK Frequency fSCLK 24 MHz Minimum Pulse Width High tSCLKPWH 15 ns Low tSCLKPWL 15 ns CS Setup Time tCSS CS setup to SCLK rising edge 11 ns Hold Time tCSH CS hold from SCLK rising edge 5 ns Pulse Width High tCSPWH CS pulse width high 15 ns MOSI Setup Time tMOSIS MOSI setup to SCLK rising edge 5 ns Hold Time tMOSIH MOSI hold from SCLK rising edge 5 ns MISO Output Delay tMISOD MISO valid output delay from SCLK falling edge Register 0x00B4 = 0x0050 (default) 28.1 ns Register 0x00B4 = 0x005F (maximum slew rate, maximum drive strength for SPI) 21.2 ns Table 7. Timing Specifications for Provision of External Low Frequency Oscillator Parameter Min Typ Max Unit FREQUENCY 1 MHz Low Frequency Oscillator 500 2000 kHz 32 kHz Low Frequency Oscillator 10 100 kHz DUTY CYCLE 1 MHz Low Frequency Oscillator 10 90 % 32 kHz Low Frequency Oscillator 10 90 % Timing Diagram Figure 2. SPI Timing Diagram |
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