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SSM2519ACBZ-R7 数据表(PDF) 4 Page - Analog Devices |
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SSM2519ACBZ-R7 数据表(HTML) 4 Page - Analog Devices |
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4 / 28 page ![]() SSM2519 Data Sheet Rev. 0 | Page 4 of 28 POWER SUPPLY REQUIREMENTS Table 2. Parameter Min Typ Max Unit PVDD 2.5 3.6 5.5 V VDD 1.5 1.8 3.6 V DIGITAL INPUT/OUTPUT Table 3. Parameter Min Typ Max Unit Test Conditions/Comments INPUT VOLTAGE High (VIH) 0.7 × VDD 3.6 V MCLK, BCLK, LRCLK, SDATA 1.35 5.5 V SD, SDA, SCL Low (VIL) −0.3 +0.3 × VDD V MCLK, BCLK, LRCLK, SDATA −0.3 +0.35 V SD, SDA, SCL INPUT LEAKAGE CURRENT High (IIH) 1 μA Excluding MCLK Low (IIL) 1 μA Excluding MCLK and bidirectional pin MCLK INPUT LEAKAGE CURRENT High (IIH) 3 μA Low (IIL) 3 μA INPUT CAPACITANCE 5 pF DIGITAL TIMING All timing specifications are given for the default setting (I2S mode) of the serial input port. Table 4. Limit Parameter Min Max Unit Description MASTER CLOCK tMP 74 136 ns MCLK period, 256 × fS mode (MCS = b0010) tMP 148 271 ns MCLK period, 128 × fS mode (MCS = b0001) SERIAL PORT tBIL 40 ns BCLK low pulse width tBIH 40 ns BCLK high pulse width tLIS 10 ns Setup time from LRCLK or SDATA edge to BCLK rising edge tLIH 10 ns Hold time from BCLK rising edge to LRCLK or SDATA edge tSIS 10 ns SDATA setup time to BCLK rising tSIH 10 ns SDATA hold time from BCLK rising I2C PORT fSCL 400 kHz SCL frequency tSCLH 0.6 μs SCL high tSCLL 1.3 μs SCL low tSCS 0.6 μs Setup time; relevant for repeated start condition tSCH 0.6 μs Hold time; after this period, the first clock is generated tDS 100 ns Data setup time tSCR 300 ns SCL rise time tSCF 300 ns SCL fall time tSDR 300 ns SDA rise time tSDF 300 ns SDA fall time tBFT 0.6 μs Bus-free time (time between stop and start) |
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