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ADUM5241

Analog Devices
Part Number ADUM5241
Manufacturer Analog Devices
Description (ADUM5240 - ADUM5242) Dual-Channel Isolators
Published Jan 16, 2007
Detailed Description www.DataSheet4U.com Preliminary Technical Data FEATURES Integrated isolated DC/DC converter Regulated 5V/10 mA output D...
Datasheet PDF File ADUM5241 PDF File

ADUM5241
ADUM5241


Overview
www.
DataSheet4U.
com Preliminary Technical Data FEATURES Integrated isolated DC/DC converter Regulated 5V/10 mA output Dual dc-to-10 Mbps (NRZ) signal isolation channels Narrow body SOIC 8-lead package High temperature operation: 105°C Precise timing characteristics: 3 ns maximum pulse-width distortion 3 ns maximum channel-to-channel matching 70 ns maximum propagation delay High common-mode transient immunity: > 25 kV/μs Safety and regulatory approvals (pending) UL recognition 2500 V rms for 1 minute per UL 1577 CSA component acceptance notice #5A VDE certificate of conformity DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01 DIN EN 60950 (VDE 0805): 2001-12; DIN EN 60950: 2000 VIORM = 425 V peak Dual-Channel Isolators with Integrated DC/DC Converter, 50 mW ADuM5240/ADuM5241/ADuM5242 GENERAL DESCRIPTION The ADuM524x1 are dual-channel digital isolators having an integrated DC/DC converter.
Based on Analog Devices’ iCoupler® technology, the DC/DC converter provides up to 50 mW of regulated, isolated power at +5V.
This eliminates the need for a separate isolated DC/DC converter in low-power isolated designs.
Analog Devices’ chip-scale transformer iCoupler® technology is used both for the isolation of the logic signals as well as for the DC/DC converter.
The result is a small form-factor total-isolation solution.
ADuM524x units may be used in combination or with other iCoupler products to achieve greater channel counts.
The ADuM524x isolators provide two independent isolation channels in a variety of channel configurations and data rates (see Ordering Guide) operating off a 5V input supply.
1 Protected by U.
S.
Patents 5,952,849 6,873,065 and 7,075,329 Other patents pending.
FUNCTIONAL BLOCK DIAGRAM VDD 1 VIA 2 VIB 3 GND 4 osc.
ENCODE ENCODE rect.
DECODE DECODE 8 VISO 7 VOA 6 VOB VDD 1 VOA 2 VIB 3 4 osc.
DECODE ENCODE rect.
ENCODE DECODE 8 VISO 7 VIA 6 VOB VDD 1 VOA 2 VOB 3 4 osc.
DECODE DECODE rect.
ENCODE ENCODE 8 VISO 7 V IA 6 VIB 5 GNDISO GND 5 GNDISO GND...


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