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ADUM5400 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADUM5400
Beschreibung Quad-Channel Isolator
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 17 Seiten
ADUM5400 Datasheet, Funktion
Data Sheet
FEATURES
isoPower integrated, isolated dc-to-dc converter
Regulated 5 V output
500 mW output power
Quad dc-to-25 Mbps (NRZ) signal isolation channels
Schmitt trigger inputs
16-lead SOIC package with >7.6 mm creepage
High temperature operation: 105°C maximum
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals
UL recognition
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE certificate of conformity (pending)
IEC 60747-5-2 (VDE 0884, Part 2)
VIORM = 560 V peak
APPLICATIONS
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
Power supply start-up bias and gate drives
Isolated sensor interfaces
Industrial PLCs
Quad-Channel Isolator with
Integrated DC-to-DC Converter
ADuM5400
GENERAL DESCRIPTION
The ADuM54001 device is a quad-channel digital isolator 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 power
with 5.0 V input and 5.0 V output voltages. This architecture
eliminates the need for a separate, isolated dc-to-dc converter in
low power, isolated designs. The iCoupler chip scale transformer
technology is used to isolate the logic signals and the magnetic
components of the dc-to-dc converter. The result is a small form
factor, total isolation solution.
The ADuM5400 isolator provides four independent isolation
channels in two speed grades (see the Ordering Guide for more
information).
isoPower uses high frequency switching elements to transfer
power through its transformer. Special care must be taken
during printed circuit board (PCB) layout to meet emissions
standards. Refer to the AN-0971 Application Note for details
on board layout recommendations.
FUNCTIONAL BLOCK DIAGRAM
VDD1 1
GND1 2
VIA 3
VIB 4
VIC 5
VID 6
VDDL 7
GND1 8
OSC
RECT REG
4-CHANNEL iCOUPLER CORE
ADuM5400
16 VISO
15 GNDISO
14 VOA
13 VOB
12 VOC
11 VOD
10 VISO
9 GNDISO
Figure 1.
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2008–2012 Analog Devices, Inc. All rights reserved.






ADUM5400 Datasheet, Funktion
Data Sheet
ADuM5400
PACKAGE CHARACTERISTICS
Table 5.
Parameter
RESISTANCE AND CAPACITANCE
Resistance (Input-to-Output)1
Capacitance (Input-to-Output)1
Input Capacitance2
IC Junction-to-Ambient Thermal
Resistance
Symbol Min Typ Max Unit Test Conditions/Comments
RI-O 1012
CI-O 2.2 pF f = 1 MHz
CI 4.0 pF
θJA 45 °C/W Thermocouple located at center of package underside;
test conducted on 4-layer board with thin traces3
1 This device is considered a 2-terminal device; Pin 1 through Pin 8 are shorted together, and Pin 9 through Pin 16 are shorted together.
2 Input capacitance is from any input data pin to ground.
3 See the Thermal Analysis section for thermal model definitions.
REGULATORY INFORMATION
The ADuM5400 is approved by the organizations listed in Table 6. Refer to Table 11 and to the Insulation Lifetime section for details
regarding the recommended maximum working voltages for specific cross-isolation waveforms and insulation levels.
Table 6.
UL 1
Recognized Under 1577 Component
Recognition Program1
Single Protection, 2500 V rms
Isolation Voltage
File E214100
CSA
Approved under CSA Component
Acceptance Notice #5A
Testing was conducted per CSA 60950-1-07
and IEC 60950-1 2nd Ed. at 2.5 kV rated voltage
Basic insulation at 600 V rms (848 V peak)
working voltage
Reinforced insulation at 250 V rms (353 V peak)
working voltage
File 205078
VDE (Pending)2
Certified according to IEC 60747-5-2
(VDE 0884 Part 2):2003-012
Basic insulation, 560 V peak
File 2471900-4880-0001
1 In accordance with UL 1577, each ADuM5400 is proof tested by applying an insulation test voltage ≥ 3000 V rms for 1 second (current leakage detection limit = 10 µA).
2 In accordance with IEC 60747-5-2 (VDE 0884 Part 2):2003-01, each ADuM5400 is proof tested by applying an insulation test voltage ≥ 1590 V peak for 1 second (partial
discharge detection limit = 5 pC). The asterisk (*) marking branded on the component designates IEC 60747-5-2 (VDE 0884 Part 2):2003-01 approval.
INSULATION AND SAFETY RELATED SPECIFICATIONS
Table 7. Critical Safety Related Dimensions and Material Properties
Parameter
Symbol Value
Rated Dielectric Insulation Voltage
2500
Minimum External Air Gap
L(I01)
8.0
Unit
V rms
mm
Minimum External Tracking (Creepage)
L(I02)
7.6
mm
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking
Index)
Material Group
CTI
0.017 min mm
>175
V
IIIa
Test Conditions/Comments
1 minute duration
Measured from input terminals to output terminals,
shortest distance through air
Measured from input terminals to output terminals,
shortest distance path along body
Distance through insulation
DIN IEC 112/VDE 0303 Part 1
Material group (DIN VDE 0110, 1/89, Table 1)
Rev. B | Page 5 of 16

6 Page









ADUM5400 pdf, datenblatt
Data Sheet
TERMINOLOGY
IDD1(Q)
IDD1(Q) is the minimum operating current drawn at the VDD1
pin when there is no external load at VISO and the I/O pins
are operating below 2 Mbps, requiring no additional dynamic
supply current.
IDD1(MAX)
IDD1(MAX) is the input current under full dynamic and VISO load
conditions.
tPHL Propagation Delay
tPHL propagation delay is measured from the 50% level of the
falling edge of the VIx signal to the 50% level of the falling edge
of the VOx signal.
tPLH Propagation Delay
tPLH propagation delay is measured from the 50% level of the
rising edge of the VIx signal to the 50% level of the rising edge
of the VOx signal.
ADuM5400
Propagation Delay Skew (tPSK)
tPSK is the magnitude of the worst-case difference in tPHL and/or
tPLH that is measured between units at the same operating
temperature, supply voltages, and output load within the
recommended operating conditions.
Channel-to-Channel Matching
Channel-to-channel matching is the absolute value of the
difference in propagation delays between two channels when
operated with identical loads.
Minimum Pulse Width
The minimum pulse width is the shortest pulse width at which
the specified pulse width distortion is guaranteed.
Maximum Data Rate
The maximum data rate is the fastest data rate at which the
specified pulse width distortion is guaranteed.
Rev. B | Page 11 of 16

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