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ADuM1245ARZ-RL7 Datasheet(PDF) 3 Page - Analog Devices |
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ADuM1245ARZ-RL7 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 24 page  Data Sheet ADuM1240/ADuM1241/ADuM1245/ADuM1246 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—3.3 V OPERATION All typical specifications are at TA = 25°C, VDD1 = VDD2 = 3.3 V. Minimum and maximum specifications apply over the entire recommended operation range of 3.0 V ≤ VDD1 ≤ 3.6 V, 3.0 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 1. Parameter Symbol Min Typ Max Unit Test Conditions/Comments SWITCHING SPECIFICATIONS Data Rate 2 Mbps Within pulse width distortion (PWD) limit Propagation Delay tPHL, tPLH 80 180 ns 50% input to 50% output Change vs. Temperature 200 ps/°C Minimum Pulse Width PW 500 ns Within PWD limit Pulse Width Distortion PWD 8 ns |tPLH − tPHL| Propagation Delay Skew1 tPSK 10 ns Channel Matching Codirectional tPSKCD 10 ns Opposing Direction tPSKOD 15 ns 1 tPSK is the magnitude of the worst case difference in tPHL and tPLH that is measured between units at the same operating temperature, supply voltages, and output load within the recommended operating conditions. Table 2. Parameter Symbol Min Typ Max Unit Test Conditions/Comments SUPPLY CURRENT 2 Mbps, no load ADuM1240/ADuM1245 IDD1 366 600 µA IDD2 246 375 µA ADuM1241/ADuM1246 IDD1 306 450 µA IDD2 306 450 µA Table 3. Parameter Symbol Min Typ Max Unit Test Conditions/Comments DC SPECIFICATIONS Input Threshold Logic High VIH 0.7 VDDx1 V Logic Low VIL 0.3 VDDx1 V Output Voltages Logic High VOH VDDx1 − 0.1 3.3 V IOUTx = −20 µA, VIx = VIxH VDDx1 − 0.4 3.1 V IOUTx = −4 mA, VIx = VIxH Logic Low VOL 0.0 0.1 V IOUTx = 20 µA, VIx = VIxL 0.2 0.4 V IOUTx = 4 mA, VIx = VIxL Input Current per Channel II −1 +0.01 +1 µA 0 V ≤ VIx ≤ VDDx1 Input Switching Thresholds Positive Threshold Voltage VT+ 1.8 V Negative Going Threshold VT− 1.2 V Input Hysteresis ΔVT 0.6 V Undervoltage Lockout, VDD1 or VDD2 UVLO 1.5 V Supply Current per Channel Quiescent Current Input Supply IDDI (Q) 4.8 10 µA ENX low Output Supply IDDO (Q) 0.8 6 µA ENX low Input (Refresh Off) IDDI (Q) 0.12 µA ENX high Output (Refresh Off) IDDO (Q) 0.13 µA ENX high Rev. A | Page 3 of 24 |
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