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AD5629R Datenblatt(PDF) 7 Page - Analog Devices |
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AD5629R Datenblatt(HTML) 7 Page - Analog Devices |
7 / 32 page Data Sheet AD5629R/AD5669R Rev. B | Page 7 of 32 I2C TIMING CHARACTERISTICS VDD = 2.7 V to 5.5 V; all specifications TMIN to TMAX, fSCL = 400 kHz, unless otherwise noted. Table 4. Parameter Conditions Min Max Unit Description fSCL1 Standard mode 100 kHz Serial clock frequency Fast mode 400 kHz t1 Standard mode 4 μs tHIGH, SCL high time Fast mode 0.6 μs t2 Standard mode 4.7 μs tLOW, SCL low time Fast mode 1.3 μs t3 Standard mode 250 ns tSU;DAT, data setup time Fast mode 100 ns t4 Standard mode 0 3.45 μs tHD;DAT, data hold time Fast mode 0 0.9 μs t5 Standard mode 4.7 μs tSU;STA, setup time for a repeated start condition Fast mode 0.6 μs t6 Standard mode 4 μs tHD;STA, hold time (repeated) start condition Fast mode 0.6 μs t7 Standard mode 4.7 μs tBUF, bus-free time between a stop and a start condition Fast mode 1.3 μs t8 Standard mode 4 μs tSU;STO, setup time for a stop condition Fast mode 0.6 μs t9 Standard mode 1000 ns tRDA, rise time of SDA signal Fast mode 300 ns t10 Standard mode 300 ns tFDA, fall time of SDA signal Fast mode 300 ns t11 Standard mode 1000 ns tRCL, rise time of SCL signal Fast mode 300 ns t11A Standard mode 1000 ns tRCL1, rise time of SCL signal after a repeated start condition and after an acknowledge bit Fast mode 300 ns t12 Standard mode 300 ns tFCL, fall time of SCL signal Fast mode 300 ns t13 Standard mode 10 ns LDAC pulse width low Fast mode 10 ns t14 Standard mode 300 ns Falling edge of ninth SCL clock pulse of last byte of a valid write to the LDAC falling edge Fast mode 300 ns t15 Standard mode 20 ns CLR pulse width low Fast mode 20 ns tSP 2 Fast mode 0 50 ns Pulse width of spike suppressed 1 The SDA and SCL timing is measured with the input filters enabled. Switching off the input filters improves the transfer rate but has a negative effect on the EMC behavior of the part. 2 Input filtering on the SCL and SDA inputs suppresses noise spikes that are less than 50 ns for fast mode or less than 10 ns for high speed mode. |
Ähnliche Teilenummer - AD5629R |
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Ähnliche Beschreibung - AD5629R |
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