ADUM5401ARWZ1 AD [Analog Devices], ADUM5401ARWZ1 Datasheet

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ADUM5401ARWZ1

Manufacturer Part Number
ADUM5401ARWZ1
Description
Quad-Channel Isolators with Integrated DC-to-DC Converter
Manufacturer
AD [Analog Devices]
Datasheet
1.ADUM5401ARWZ1.pdf (24 pages)
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
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals (pending)
APPLICATIONS
RS-232/RS-422/RS-485 transceiver
Industrial field bus isolation
Power supply startup bias and gate drive
Isolated sensor interface
Industrial PLC
GENERAL DESCRIPTION
The ADuM5401/ADuM5402/ADuM5403/ADuM5404
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 power at either 5.0 V from a 5.0 V
input supply or 3.3 V from a 3.3 V supply. This 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 ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators
provide four independent isolation channels in a variety of
channel configurations and data rates (see the Ordering Guide
for more information).
1
Rev. 0
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.
Trademarks and registered trademarks are the property of their respective owners.
Protected by U.S. Patents 5,952,849; 6,873,065; and 7075 329 B2. Other
patents pending.
CSA Component Acceptance Notice #5A
VDE certificate of conformity
UL recognition
2500 V rms for 1 minute per UL1577
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V
IORM
= 560 V peak
ADuM5401/ADuM5402/ADuM5403/ADuM5404
1
devices
Integrated DC-to-DC Converter
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
Quad-Channel Isolators with
GND
GND
V
I/O
I/O
I/O
I/O
DD1
NC
A
B
C
D
1
1
1
2
3
4
5
6
7
8
FUNCTIONAL BLOCK DIAGRAMS
4 CHANNEL iCOUPLER CORE
ADuM5401/ADuM5402/
ADuM5403/ADuM5404
OSC
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OC
OB
OC
OD
OD
OD
OA
OB
OC
OD
IA
IB
IC
IA
IB
IA
©2008 Analog Devices, Inc. All rights reserved.
Figure 2. ADuM5401
Figure 3. ADuM5402
Figure 4. ADuM5403
Figure 5. ADuM5404
3
4
5
6
3
4
5
6
3
4
5
6
3
4
5
6
ADuM5401
ADuM5402
ADuM5403
ADuM5404
Figure 1.
RECT
14
13
12
11
14
13
12
11
14
13
12
11
14
13
12
11
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OA
OB
OC
OA
OB
IC
OA
IB
IC
ID
ID
ID
IA
IB
IC
ID
REG
www.analog.com
16
15
14
13
12
11
10
9
V
GND
I/O
I/O
I/O
I/O
V
GND
ISO
SEL
A
B
C
D
ISO
ISO

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ADUM5401ARWZ1 Summary of contents

Page 1

... Isolated sensor interface Industrial PLC GENERAL DESCRIPTION The ADuM5401/ADuM5402/ADuM5403/ADuM5404 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 power at either 5.0 V from a 5.0 V input supply or 3.3 V from a 3.3 V supply. This eliminates the need for a separate, isolated dc-to-dc converter in low power, isolated designs ...

Page 2

ADuM5401/ADuM5402/ADuM5403/ADuM5404 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagrams............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics—5 V Primary Input Supply Secondary Isolated Supply ................................................... 3 Electrical Characteristics—3.3 V Primary ...

Page 3

SPECIFICATIONS ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY 4.5 V ≤ V ≤ 5 all voltages are relative to their respective ground. All minimum/maximum specifications apply over the DD1 SEL ISO entire ...

Page 4

ADuM5401/ADuM5402/ADuM5403/ADuM5404 Parameter ADuM5401CRWZ/ADuM5402CRWZ/ ADuM5403CRWZ/ADuM5404CRWZ Minimum Pulse Width Maximum Data Rate Propagation Delay Pulse Width Distortion, |t − PLH PHL Change vs. Temperature Propagation Delay Skew Channel-to-Channel Matching, Codirectional Channels Channel-to-Channel Matching, Opposing Directional Channels Output Rise/Fall Time (10% ...

Page 5

ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY 3.0 V ≤ V ≤ 3 GND ; all voltages are relative to their respective ground. All minimum/maximum specifications apply over DD1 SEL ISO the entire recommended ...

Page 6

ADuM5401/ADuM5402/ADuM5403/ADuM5404 Parameter ADuM5401CRWZ/ADuM5402CRWZ/ ADuM5403CRWZ/ADuM5404CRWZ Minimum Pulse Width Maximum Data Rate Propagation Delay Pulse Width Distortion, |t − PLH PHL Change vs. Temperature Propagation Delay Skew Channel-to-Channel Matching, Codirectional Channels Channel-to-Channel Matching, Opposing Directional Channels Output Rise/Fall Time (10% ...

Page 7

PACKAGE CHARACTERISTICS Table 3. Parameter Resistance (Input to Output Capacitance (Input to Output) 2 Input Capacitance IC Junction to Ambient Thermal Resistance 1 The device is considered a 2-terminal device: Pin 1 to Pin 8 are shorted together; ...

Page 8

... ADuM5401/ADuM5402/ADuM5403/ADuM5404 DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS These isolators are suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits. The asterisk (*) marking on packages denotes DIN V VDE V 0884-10 approval. Table 6. Description Installation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ ...

Page 9

ABSOLUTE MAXIMUM RATINGS Ambient temperature = 25°C, unless otherwise noted. Table 8. Parameter Rating Storage Temperature (T ) −55°C to +150°C ST Ambient Operating Temperature (T ) −40°C to +105° Supply Voltages ( −0.5 V ...

Page 10

ADuM5401/ADuM5402/ADuM5403/ADuM5404 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS Table 11. ADuM5401 Pin Function Descriptions Pin No. Mnemonic Description 1 V Primary Supply Voltage, 3 5.5 V. DD1 2, 8 GND Ground 1. Ground reference for isolator primary. Pin 2 and ...

Page 11

Table 12. ADuM5402 Pin Function Descriptions Pin No. Mnemonic Description 1 V Primary Supply Voltage, 3 5.5 V. DD1 2, 8 GND Ground 1. Ground reference for isolator primary. Pin 2 and Pin 8 are internally connected, and ...

Page 12

ADuM5401/ADuM5402/ADuM5403/ADuM5404 Table 13. ADuM5403 Pin Function Descriptions Pin No. Mnemonic Description 1 V Primary Supply Voltage, 3 5.5 V. DD1 2, 8 GND Ground 1. Ground reference for isolator primary. Pin 2 and Pin 8 are internally connected, ...

Page 13

Table 14. ADuM5404 Pin Function Descriptions Pin No. Mnemonic Description 1 V Primary Supply Voltage, 3 5.5 V. DD1 2, 8 GND Ground 1. Ground reference for isolator primary. Pin 2 and Pin 8 are internally connected, and ...

Page 14

ADuM5401/ADuM5402/ADuM5403/ADuM5404 TYPICAL PERFORMANCE CHARACTERISTICS 0.02 0.04 0.06 OUTPUT CURRENT (A) Figure 11. Typical Power Supply Efficiency at 5 V/5 V and 3.3 V/3.3 V 1.0 0.9 0.8 0.7 0.6 0.5 ...

Page 15

BW = 20MHz (400ns/DIV) Figure 17. Typical Output Voltage Ripple at 90% Load ISO BW = 20MHz (400ns/DIV) Figure 18. Typical V = 3.3 V Output Voltage Ripple at 90% Load ISO 20 5V IN/5V OUT ...

Page 16

ADuM5401/ADuM5402/ADuM5403/ADuM5404 TERMINOLOGY I DD1( the minimum operating current drawn at the V DD1(Q) when there is no external load at V and the I/O pins are oper- ISO ating below 2 Mbps, requiring no additional dynamic supply current. ...

Page 17

... PC BOARD LAYOUT The ADuM5401/ADuM5402/ADuM5403/ADuM5404 digital isolators with 0.5 W isoPower integrated dc-to-dc converters require no external interface circuitry for the logic interfaces. Power supply bypassing is required at the input and output supply pins (Figure 23). Note that a low ESR bypass capacitor is required between Pin 1 and Pin 2, as close to the chip pads as possible ...

Page 18

ADuM5401/ADuM5402/ADuM5403/ADuM5404 PROPAGATION DELAY-RELATED PARAMETERS Propagation delay is a parameter that describes the time it takes a logic signal to propagate through a component (see Figure 24). The propagation delay to a logic low output may differ from the propagation delay ...

Page 19

The preceding magnetic flux density values correspond to specific current magnitudes at given distances from the ADuM5401/ ADuM5402/ADuM5403/ADuM5404 transformers. Figure 26 expresses these allowable current magnitudes as a function of frequency for selected distances. As shown in Figure 26, the ...

Page 20

ADuM5401/ADuM5402/ADuM5403/ADuM5404 POWER CONSIDERATIONS The ADuM5401/ADuM5402/ADuM5403/ADuM5404 power input, the data input channels on the primary side, and the data input channels on the secondary side are all protected from premature operation by UVLO circuitry. Below the minimum operating voltage, the power ...

Page 21

OUTLINE DIMENSIONS 0.30 (0.0118) 0.10 (0.0039) COPLANARITY 0.10 CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. ORDERING GUIDE Number Number of Inputs, of Inputs, ...

Page 22

ADuM5401/ADuM5402/ADuM5403/ADuM5404 NOTES Rev Page ...

Page 23

NOTES ADuM5401/ADuM5402/ADuM5403/ADuM5404 Rev Page ...

Page 24

ADuM5401/ADuM5402/ADuM5403/ADuM5404 NOTES ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06577-0-5/08(0) Rev Page ...

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