Datasheet ADuM5200, ADuM5201, ADuM5202 (Analog Devices)

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Dual-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter Data Sheet ADuM5200/ ADuM5201/ ADuM5202 FEATURES FUNCTIONAL BLOCK DIAGRAMS iso Power integrated, isolated dc-to-dc converter V OSC RECT REG Regulated 3.3 V or 5 V output 1 16 DD1 VISO Up to 500 mW output power GND 2 15 1 GNDISO Dual, dc-to-25 Mbps (NRZ) signal isolation channels V 3 14 IA/VOA VIA/VOA 16-lead SOIC package with 7.6 mm creepage 2-CHANNEL i COUPLER CORE V 4 13 V High temperature operation: 105°C maximum IB/VOB IB/VOB High common-mode transient immunity: >25 kV/μs RC 5 12 IN NC Safety and regulatory approvals RC 6 11 SEL VSEL ADuM5200/ UL recognition V 7 ADuM5201/ 10 E1/NC VE2/NC 2500 V rms for 1 minute per UL 1577 ADuM5202
01 0
CSA Component Acceptance Notice #5A) GND 8 9 1 GNDISO
0-54 07
VDE certificate of conformity (pending)
Figure 1.
IEC 60747-5-2 (VDE 0884, Part 2):2003-01 VIORM = 560 VPEAK VIA VOA APPLICATIONS 3 14 ADuM5200 RS-232/RS-422/RS-485 transceivers
2
VIB VOB
00
4 13
0-
Industrial field bus isolation
754 0
Power supply start-up bias and gate drives
Figure 2. ADuM5200
Isolated sensor interfaces Industrial PLCs VIA VOA 3 14 GENERAL DESCRIPTION ADuM5201
3
V V
The ADuM5200/ADuM5201/ADuM52021 are dual-channel digital
OB IB
00
4 13
0- isolators with isoPower®, an integrated, isolated dc-to-dc converter. 754 0 Based on the Analog Devices, Inc., iCoupler® technology, the Figure 3. ADuM5201 dc-to-dc converter provides up to 500 mW of regulated, isolated power at either 5.0 V or 3.3 V from a 5.0 V input supply, or 3.3 V
VOA VIA
from a 3.3 V supply at the power levels shown in Table 1. These
3 14
devices eliminate the need for a separate, isolated dc-to-dc converter
ADuM5202
4
VOB VIB
00 in low power isolated designs. The iCoupler chip scale transformer
4 13
0- 54 07 technology is used to isolate the logic signals and for the magnetic Figure 4. ADuM5202 components of the dc-to-dc converter. The result is a small form factor, total isolation solution. The ADuM5200/ADuM5201/ADuM5202 isolators provide two
Table 1. Power Levels
independent isolation channels in a variety of channel configurations
Input Voltage (V) Output Voltage (V) Output Power (mW)
and data rates (see the Ordering Guide for more information). 5.0 5.0 500 isoPower uses high frequency switching elements to transfer power 5.0 3.3 330 through its transformer. Special care must be taken during printed 3.3 3.3 200 circuit board (PCB) layout to meet emissions standards. See the AN-0971 Application Note for board layout recommendations. 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
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Document Outline Features Applications General Description Functional Block Diagrams Table of Contents Revision History Specifications Electrical Characteristics—5 V Primary Input Supply/5 V Secondary Isolated Supply Electrical Characteristics—3.3 V Primary Input Supply/3.3 V Secondary Isolated Supply Electrical Characteristics—5 V Primary Input Supply/3.3 V Secondary Isolated Supply Package Characteristics Regulatory Information Insulation and Safety-Related Specifications IEC 60747-5-2 (VDE 0884, Part 2):2003-01 Insulation Characteristics Recommended Operating Conditions Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Truth Table Typical Performance Characteristics Terminology Applications Information PCB Layout Start-Up Behavior EMI Considerations Propagation Delay Parameters DC Correctness and Magnetic Field Immunity Power Consumption Current Limit and Thermal Overload Protection Power Considerations Thermal Analysis Increasing Available Power Insulation Lifetime Outline Dimensions Ordering Guide