ADuM7642

Data Sheet FEATURES 1 kV RMS Six-Channel Digital Isolators ADuM7640/ADuM7641/ADuM7642/ADuM7643 FUNCTIONAL BLOCK DIAGRAMS VDD1A 1 GND1 2 VIA 3 VIB 4 VIC 5 VID 6 VDD1B 7 VIE 8 VIF 9 GND1 10 ENCODE ENCODE DECODE DECODE ENCODE ENCODE ENCODE ENCODE DECODE DECODE DECODE DECODE Small 20-lead QSOP 1000 V rms isolation rating Safety and regulatory approvals (pending): UL recognition (pending) 1000 V rms for 1 minute per UL 1577 Low power operation 3.3 V operation 1.6 mA per channel maximum at 0 Mbps to 1 Mbps 7.8 mA per channel maximum at 25 Mbps 5 V operation 2.2 mA per channel maximum at 0 Mbps to 1 Mbps 11.2 mA per channel maximum at 25 Mbps Bidirectional communication Up to 25 Mbps data rate (NRZ) 3 V/5 V level translation High temperature operation: 105°C High common-mode transient immunity: >15 kV/μs ADuM7640 20 VDD2A 19 GND2 18 VOA 17 VOB 16 VOC 15 VOD 14 VDD2B 13 VOE 10448-001 12 VOF 11 GND2 Figure 1. ADuM7640 VDD1A 1 GND1 2 VIA 3 VIB 4 VIC 5 VID 6 VDD1B 7 VOE 8 VIF 9 GND1 10 www.DataSheet.net/ ADuM7641 ENCODE ENCODE ENCODE ENCODE DECODE DECODE DECODE DECODE 20 19 18 17 16 15 14 VDD2A GND2 VOA VOB VOC VOD VDD2B VIE 10448-002 APPLICATIONS General-purpose, multichannel isolation SPI interface/data converter isolation RS-232/RS-422/RS-485 transceivers Industrial field bus isolation DECODE ENCODE ENCODE DECODE 13 12 11 VOF GND2 Figure 2. ADuM7641 VDD1A 1 GND1 2 VIA 3 VIB 4 VIC 5 VOD 6 VDD1B 7 VOE 8 VIF 9 GND1 10 DECODE ENCODE ENCODE DECODE ENCODE ENCODE ENCODE DECOD...