Quad-Channel Isolators with Integrated DC-to-DC Converter
ADuM5401/ADuM5402/ADuM5403/ADuM5404
FEATURES
isoPower integrat...
Quad-Channel Isolators with Integrated DC-to-DC Converter
ADuM5401/ADuM5402/ADuM5403/ADuM5404
FEATURES
isoPower integrated, isolated dc-to-dc converter Regulated 3.3 V or 5 V output 500 mW output power Quad dc-to-25 Mbps (NRZ) signal isolation channels Schmitt trigger inputs 16-lead SOIC package with >8 mm creepage High temperature operation: 105°C www.DataSheet4U.com High common-mode transient immunity: >25 kV/μs Safety and
regulatory approvals (pending) UL recognition 2500 V rms for 1 minute per UL1577 CSA Component Acceptance Notice #5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 560 V peak
FUNCTIONAL BLOCK DIAGRAMS
VDD1 1 GND1 2 I/OA 3 I/OB 4 I/OC 5 I/OD 6 NC 7 GND1 8 4 CHANNEL iCOUPLER CORE OSC RECT REG
16 VISO 15 GNDISO 14 I/OA 13 I/OB 12 I/OC 11 I/OD
06577-001
ADuM5401/ADuM5402/ ADuM5403/ADuM5404
10 VSEL 9
GNDISO
Figure 1.
VIA VIB VIC VOD VOA VOB VOC VID
06577-100
3 4 5 6
ADuM5401
14 13 12 11
APPLICATIONS
RS-232/RS-422/RS-485 transceiver Industrial field bus isolation Power supply startup bias and gate drive Isolated sensor interface Industrial PLC
Figure 2. ADuM5401
VIA VIB VOC VOA VOB VIC VID
06577-101
3 4 5 6
ADuM5402
14 13 12 11
GENERAL DESCRIPTION
The ADuM5401/ADuM5402/ADuM5403/ADuM5404 devices are quad-channel digital isolators with isoPower™, an integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler® technology, the dc-to-dc converter provides up to 500 mW of regulated, isolated po...