FUNCTIONAL BLOCK DIAGRAMS
VDD 1 OSC. VIA 2 ENCODE VIB 3 ENCODE 8 VISO DECODE 7 VOA DECODE 6 VOB 5 GNDISO 8 VISO RECT. REG. GND 4 Figure 1. ADuM5240 VDD 1 OSC. VOA 2 DECODE ENCODE 7 VIA VIB 3 ENCODE DECODE 6 VOB 5 GNDISO 8 VISO RECT. REG. GND 4 Figure 2. ADuM5241 GENERAL DESCRIPTION
The ADuM524x1 are dual-channel digital isolators with isoPower®
integrated, isolated power. Based on the Analog Devices, Inc.,
iCoupler® technology, a chip scale dc-to-dc converter provides
up to 50 mW of regulated, isolated power at 5 V, which eliminates
the need for a separate isolated dc-to-dc converter in low power
isolated designs. The Analog Devices chip scale transformer
iCoupler technology is used both for the isolation of the logic
signals as well as for the dc-to-dc converter. The result is a small
form factor, total isolation solution.
The ADuM524x isolators provide two independent isolation
channels in a variety of channel configurations, operating from
a 5 V input supply. ADuM524x units can be used in combination
with other iCoupler products to achieve greater channel counts. 1 06014-002 Integrated isolated dc-to-dc converter
Regulated 5 V/10 mA output
Dual dc to 1 Mbps (NRZ) signal isolation channels
Narrow-body, 8-lead SOIC package
RoHS compliant
High temperature operation: 105°C
Precise timing characteristics
3 ns maximum pulse width distortion
3 ns maximum channel-to-channel matching
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