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SSM3582 Datasheet(PDF) 8 Page - Analog Devices |
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SSM3582 Datasheet(HTML) 8 Page - Analog Devices |
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8 / 59 page ![]() SSM3582 Data Sheet Rev. 0| Page 8 of 59 DIGITAL INPUT/OUTPUT SPECIFICATIONS Table 6. Parameter Min Typ Max Unit Test Conditions/Comments INPUT VOLTAGE1 BCLK, FSYNC, SDATA, SCL, and SDA Pins High (VIH) 0.7 × DVDD 5.5 V Low (VIL) −0.3 +0.3 × DVDD V INPUT LEAKAGE BCLK, FSYNC, SDATA, ADDRx, SCL, and SDA Pins High (IIH) 1 μA Low (IIL) 1 μA INPUT CAPACITANCE 5 pF OUTPUT DRIVE STRENGTH1 SDA 3 5 mA SAMPLE RATE (FSYNC FREQUENCY) 8 192 kHz 1 The pull-up resistor for SCL and SDA must be scaled according to the external pull-up voltage in the system. The typical value for a pull-up resistor for 1.8 V is 2.2 kΩ. DIGITAL TIMING SPECIFICATIONS All timing specifications are given for the default setting (I2S mode) of the serial input port. Table 7. Limit Parameter Min Max Unit Description I2C PORT fSCL 400 kHz SCL frequency tSCLH 0.26 μs SCL high tSCLL 0.5 μs SCL low tSCS 0.26 μs Setup time; relevant for repeated start condition tSCH 0.26 μs Hold time; after this period, the first clock is generated tDS 50 ns Data setup time tDH 0.14 μs Data hold time tSCR 120 ns SCL rise time tSCF 120 ns SCL fall time tSDR 120 ns SDA rise time tSDF 120 ns SDA fall time tBFT 0.5 μs Bus free time (time between stop and start) DIGITAL INPUT TIMING SPECIFICATIONS Table 8. Limit Parameter TMIN TMAX Unit Description SERIAL PORT tBIL 10 ns BCLK low pulse width tBIH 10 ns BCLK high pulse width tSIS 4 ns SDATA setup; time to BCLK rising tSIH 4 ns SDATA hold; time from BCLK rising tLIS 5 ns FSYNC setup time to BCLK rising tLIH 5 ns FSYNC hold time to BCLK rising tBP 20 ns Minimum BCLK period |
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