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Triple-Channel, Digital Isolators,
Enhanced System-Level ESD Reliability
Data Sheet
FEATURES
Enhanced system-level ESD performance per IEC 61000-4-x
Low power operation
5 V operation
2.0 mA per channel maximum at 0 Mbps to 2 Mbps
4.1 mA per channel maximum at 10 Mbps
36 mA per channel maximum at 90 Mbps
3 V operation
1.0 mA per channel maximum at 0 Mbps to 2 Mbps
2.8 mA per channel maximum at 10 Mbps
17 mA per channel maximum at 90 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 105°C
High data rate: dc to 90 Mbps (NRZ)
Precise timing characteristics
2 ns maximum pulse width distortion
2 ns maximum channel-to-channel matching
High common-mode transient immunity: >25 kV/μs
Output enable function
16-lead SOIC wide body, RoHS-compliant package
Safety and regulatory approvals
UL recognition: 2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE Certificate of Conformity
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
V IORM = 560 V peak
APPLICATIONS
General-purpose multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
ADuM3300 / ADuM3301
GENERAL DESCRIPTION
The ADuM330x 1 are 3-channel digital isolators based on the
Analog Devices, Inc., i Coupler? technology. Combining high
speed CMOS and monolithic air core transformer technology,
these isolation components provide outstanding performance
characteristics superior to alternatives, such as optocoupler devices.
i Coupler devices remove the design difficulties commonly
associated with optocouplers. Typical optocoupler concerns
regarding uncertain current transfer ratios, nonlinear transfer
functions, and temperature and lifetime effects are eliminated
with the simple i Coupler digital interfaces and stable performance
characteristics. The need for external drivers and other discrete
components is eliminated with these i Coupler products.
Furthermore, i Coupler devices consume one-tenth to one-sixth
the power of optocouplers at comparable signal data rates.
The ADuM330x isolators provide three independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide). All models operate with the supply
voltage on either side ranging from 2.7 V to 5.5 V, providing
compatibility with lower voltage systems as well as enabling a
voltage translation functionality across the isolation barrier. The
ADuM330x isolators have a patented refresh feature that ensures
dc correctness in the absence of input logic transitions and
during power-up/power-down conditions.
In comparison to ADuM130x isolators, ADuM330x isolators
contain various circuit and layout changes to provide increased
capability relative to system-level IEC 61000-4-x testing (ESD,
burst, and surge). The precise capability in these tests for either
the ADuM130x or ADuM330x products is strongly determined
by the design and layout of the user’s system.
Industrial field bus isolation
1
Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
FUNCTIONAL BLOCK DIAGRAMS
V DD1 1
GND 1 2
16 V DD2
15 GND 2
V DD1 1
GND 1 2
16
15
V DD2
GND 2
V IA 3
V IB 4
V IC 5
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
14 V OA
13 V OB
12 V OC
V IA 3
V IB 4
V OC 5
ENCODE
ENCODE
DECODE
DECODE
DECODE
ENCODE
14
13
12
V OA
V OB
V IC
NC 6
NC 7
11 NC
10 V E2
NC 6
V E1 7
11
10
NC
V E2
GND 1 8
9
GND 2
GND 1 8
9
GND 2
Figure 1. ADuM3300 Functional Block Diagram
Rev. C Document Feedback
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.
Figure 2. ADuM3301 Functional Block Diagram
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2006–2014 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
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