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ADUM1285 Arkusz danych(PDF) 5 Page - Analog Devices |
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ADUM1285 Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 16 page Data Sheet ADuM1280/ADuM1281/ADuM1285/ADuM1286 Rev. 0 | Page 5 of 16 ELECTRICAL CHARACTERISTICS—MIXED 5 V/3 V OPERATION All typical specifications are at TA = 25°C, VDD1 = 5 V, VDD2 = 3.0 V. Minimum/maximum specifications apply over the entire recommended operation range: 4.5 V ≤ VDD1 ≤ 5.5 V, 2.7 V ≤ VDD2 ≤ 3.6 V; and −40°C ≤ TA ≤ 125°C, unless otherwise noted. Switching specifications are tested with CL = 15 pF and CMOS signal levels unless otherwise noted. Table 7. A Grade B Grade C Grade Parameter Symbol Min Typ Min Min Typ Max Min Typ Max Unit Test Conditions SWITCHING SPECIFICATIONS Pulse Width PW 1000 40 10 ns Within PWD limit Data Rate 1 25 100 Mbps Within PWD limit Propagation Delay tPHL, tPLH 50 35 13 20 26 ns 50% input to 50% output Pulse Width Distortion PWD 10 3 2 ns |tPLH − tPHL| Change vs. Temperature 7 3 1.5 ps/C Propagation Delay Skew tPSK 38 16 12 ns Between any two units at same operating conditions Channel Matching Codirectional tPSKCD 5 3 2 ns Opposing-Direction tPSKOD 10 6 5 ns Jitter 2 2 1 ns 7 Codirectional channel matching is the absolute value of the difference in propagation delays between any two c hannels with inputs on the same side of the isolation barrier. Opposing-directional channel matching is the absolute value of the difference in propagation delays between any two c hannels wit h inputs on opposing sides of the isolation barrier. Table 8. Parameter Symbol 1 Mbps–A, B, C Grade 25 Mbps–B, C Grade 100 Mbps–C Grade Unit Test Conditions Min Typ Min Min Typ Max Min Typ Max SUPPLY CURRENT No load ADuM1280/ADuM1285 IDD1 1.1 1.6 6.2 7.0 20 25 mA IDD2 2.0 3.5 2.7 4.6 4.8 9.0 mA ADuM1281/ADuM1286 IDD1 2.1 2.6 4.9 6.0 15 19 mA IDD2 1.7 2.3 3.9 6.2 11 15 mA Table 9. For All Models Parameter Symbol Min Typ Max Unit Test Conditions DC SPECIFICATIONS Logic High Input Threshold VIH 0.7 VDDx V Logic Low Input Threshold VIL 0.3 VDDx V Logic High Output Voltages VOH VDDx − 0.1 VDDx V IOx = −20 µA, VIx = VIxH VDDx−0.4 VDDx−0.2 V IOx = −4 mA, VIx = VIxH Logic Low Output Voltages VOL 0.0 0.1 V IOx = 20 µA, VIx = VIxL 0.2 0.4 V IOx = 4 mA, VIx = VIxL Input Current per Channel II −10 +0.01 +10 µA 0 V ≤ VIx≤ VDDx Supply Current per Channel Quiescent Input Supply Current IDDI(Q) 0.54 0.75 mA Quiescent Output Supply Current IDDO(Q) 1.2 2.0 mA Dynamic Input Supply Current IDDI(D) 0.09 mA/Mbps Dynamic Output Supply Current IDDO(D) 0.02 mA/Mbps Undervoltage Lockout Positive VDDX Threshold VDDxUV+ 2.6 V Negative VDDX Threshold VDDxUV− 2.4 V VDDX Hysteresis VDDxUVH 0.2 V AC SPECIFICATIONS Output Rise/Fall Time tR/tF 2.5 ns 10% to 90% Common-Mode Transient Immunity1 |CM| 25 35 kV/µs VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V Refresh Period tr 1.6 µs 1|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V o > 0.8 VDDX. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. |
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Podobny opis - ADUM1285 |
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