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ADuM4472 Arkusz danych(PDF) 5 Page - Analog Devices |
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ADuM4472 Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 36 page Data Sheet ADuM4470/ADuM4471/ADuM4472/ADuM4473/ADuM4474 Rev. 0 | Page 5 of 36 Parameter Symbol Min Typ Max Unit Test Conditions/Comments Logic High Output Voltages VOAH, VOBH, VOCH, VODH VDDA − 0.3, VISO − 0.3 5.0 V IOx = −20 µA, VIx = VIxH VDDA − 0.5, VISO − 0.5 4.8 V IOx = −4 mA, VIx = VIxH Logic Low Output Voltages VOAL, VOBL, VOCL, VODL 0.0 0.1 V IOx = 20 µA, VIx = VIxH 0.0 0.4 V IOx = 4 mA, VIx = VIxH AC SPECIFICATIONS ADuM447xARIZ Minimum Pulse Width PW 1000 ns CL = 15 pF, CMOS signal levels Maximum Data Rate 1 Mbps CL = 15 pF, CMOS signal levels Propagation Delay tPLH, tPHL 55 100 ns CL = 15 pF, CMOS signal levels Pulse Width Distortion, |tPLH − tPHL| PWD 40 ns CL = 15 pF, CMOS signal levels Propagation Delay Skew tPSK 50 ns CL = 15 pF, CMOS signal levels Channel-to-Channel Matching tPSKCD/tPSKOD 50 ns CL = 15 pF, CMOS signal levels ADuM447xCRIZ Minimum Pulse Width PW 40 ns CL = 15 pF, CMOS signal levels Maximum Data Rate 25 Mbps CL = 15 pF, CMOS signal levels Propagation Delay tPLH, tPHL 30 45 60 ns CL = 15 pF, CMOS signal levels Pulse Width Distortion, |tPLH − tPHL| PWD 6 ns CL = 15 pF, CMOS signal levels Change vs. Temperature 5 ps/ °C CL = 15 pF, CMOS signal levels Propagation Delay Skew tPSK 15 ns CL = 15 pF, CMOS signal levels Channel-to-Channel Matching, tPSKCD 6 ns CL = 15 pF, CMOS signal levels Codirectional Channels Channel-to-Channel Matching, tPSKCD 15 ns CL = 15 pF, CMOS signal levels Opposing Directional Channels Output Rise/Fall Time (10% to 90%) tR/tF 2.5 ns CL = 15 pF, CMOS signal levels Common-Mode Transient Immunity |CMH| 25 35 kV/µs VIx = VDDA or VISO, VCM = 1000 V, at Logic High Output transient magnitude = 800 V Common-Mode Transient Immunity |CML| 25 35 kV/µs VIx = 0 V or VISO, VCM = 1000 V, at Logic Low Output transient magnitude = 800 V Refresh Rate fr 1.0 Mbps 1 V DD1 is the power supply for the push-pull transformer. 2 V DDA is the power supply of Side 1 of the ADuM447x. 3 The contributions of supply current values for all four channels are combined at identical data rates. 4 The V ISO supply current is available for external use when all data rates are below 2 Mbps. At data rates above 2 Mbps, the data I/O channels draw additional current proportional to the data rate. Additional supply current associated with an individual channel operating at a given data rate can be calculated as described in the Power Consumption section. The dynamic I/O channel load must be treated as an external load and included in the VISO power budget. 5 The power demands of the quiescent operation of the data channels were not separated from the power supply section. Efficiency includes the quiescent power consumed by the I/O channels as part of the internal power consumption. 6 This current is available for driving external loads at the V ISO output. All channels are simultaneously driven at a maximum data rate of 25 Mbps with full capacitive load representing the maximum dynamic load conditions. Refer to the Power Consumption section for calculation of available current at less than the maximum data rate. |
Podobny numer części - ADuM4472 |
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Podobny opis - ADuM4472 |
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