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SI8440AA-D-ISI
Si8440/41/42/45 U L T R A L O W P O W E R Q U A D -C H A N N E L D I G I TA L I S O L A T O R Features Pin Assignments High-speed operation: DC – 150 Mbps Low propagation delay: <10 ns typical Wide Operating Supply Voltage: 2.75–5.5 V Ultra low power 5 V Operation: I< 1.25 mA per channel at 1 Mbps I< 2 mA per channel at 10 Mbps I< 6 mA per channel at 100 Mbps 2.75 V Operation: I< 1.25 mA per channel at 1 Mbps I< 2 mA per channel at 10 Mbps I< 4 mA per channel at 100 Mbps Precise timing: 2 ns pulse width distortion 1 ns channel-channel matching 2 ns pulse width skew Up to 2500 VRMS isolation Transient Immunity: 25 kV/µs Tri-state outputs with ENABLE control DC correct No start-up initialization required <30 µs startup time High temperature operation: 125 °C at 150 Mbps Wide body and narrow body SOIC16 packages VDD1 GND1 A1 A2 A3 A4 EN1/NC Applications Isolated switch mode supplies Isolated ADC, DAC Motor control Power factor correction systems Safety Regulatory Approvals* UL recognition: 2500 VRMS for 1 VDE certification conformity IEC 60747-5-2 Minute per UL1577 (VDE0884 Part 2) CSA component acceptance notice GND1 Wide Body SOIC 16 1 2 15 14 3 4 13 5 12 11 6 7 10 8 9 VDD2 GND2 B1 B2 B3 B4 EN2/NC GND2 Top View Narrow Body SOIC VDD1 16 VDD2 1 GND1 2 15 GND2 A1 14 B1 3 A2 4 13 B2 A3 5 12 B3 A4 11 B4 6 EN1/NC 7 10 EN2/NC GND1 8 9 GND2 Top View Description Silicon Lab's family of ultra low power digital isolators are CMOS devices that employ an RF coupler to transmit digital information across an isolation barrier. Very high speed operation at low power levels is achieved. These parts are available in 16-pin wide body and narrow body SOIC packages. Two speed grade options (1 and 150 Mbps) are available and achieve typical propagation delay of less than 10 ns. Block Diagram Si8440/45 Si8441 Si8442 A1 B1 A1 B1 A1 B1 A2 B2 A2 B2 A2 B2 A3 B3 A3 B3 A3 B3 A4 B4 A4 B4 A4 B4 NC EN2/NC EN1 EN2 EN1 EN2 *Note: Pending. Rev. 0.64 1/09 Copyright © 2009 by Silicon Laboratories Si8440/41/42/45 This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
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