5.0 kV RMS Triple Channel Digital Isolators

Data Sheet

ADuM230D/ADuM230E/ADuM231D/ADuM231E

Rev. A

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FEATURES

High common-mode transient immunity: 100 kV/μs

High robustness to radiated and conducted noise

Low propagation delay: 13 ns maximum for 5 V operation,

15 ns maximum for 1.8 V operation

150 Mbps maximum data rate

Safety and regulatory approvals (pending)

UL recognition

5000 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

CQC certification per GB4943.1-2011

Low dynamic power consumption

1.8 V to 5 V level translation

High temperature operation: 125°C

Fail-safe high or low options

16-lead, RoHS compliant, SOIC package

APPLICATIONS

General-purpose multichannel isolation

Serial peripheral interface (SPI)/data converter isolation

Industrial field bus isolation

GENERAL DESCRIPTION

The ADuM230D/ADuM230E/ADuM231D/ADuM231E1 are

triple-channel digital isolators based on Analog Devices, Inc.,

iCoupler® technology. Combining high speed, complementary

metal-oxide semiconductor (CMOS) and monolithic air core

transformer technology, these isolation components provide

outstanding performance characteristics superior to alternatives

such as optocoupler devices and other integrated couplers. The

maximum propagation delay is 13 ns with a pulse width

distortion of less than 3 ns at 5 V operation. Channel matching

is tight at 3.0 ns maximum.

The ADuM230D/ADuM230E/ADuM231D/ADuM231E data

channels are independent and are available in a variety of

configurations with a withstand voltage rating of 5.0 kV rms

(see the Ordering Guide). The devices operate with the supply

voltage on either side ranging from 1.8 V to 5 V, providing

compatibility with lower voltage systems as well as enabling

voltage translation functionality across the isolation barrier.

FUNCTIONAL BLOCK DIAGRAMS

Figure 1. ADuM230D Functional Block Diagram

Figure 2. ADuM230E Functional Block Diagram

Figure 3. ADuM231D Functional Block Diagram

Figure 4. ADuM231E Functional Block Diagram

Unlike other optocoupler alternatives, dc correctness is ensured

in the absence of input logic transitions. Two different fail-safe

options are available, by which the outputs transition to a

predetermined state when the input power supply is not applied

or the inputs are disabled.

ENCODE

DECODE

ENCODE

DECODE

ENCODE

DECODE

NIC

NIC

NIC

NIC = NO INTERNAL CONNECTION. LEAVE THIS PIN FLOATING.

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ADuM230D

ENCODE

DECODE

ENCODE

DECODE

ENCODE

DECODE

NIC = NO INTERNAL CONNECTION. LEAVE THIS PIN FLOATING.

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ADuM230E

NIC

NIC

NIC

ENCODE

DECODE

ENCODE

DECODE

DECODE

ENCODE

NIC

NIC

NIC = NO INTERNAL CONNECTION. LEAVE THIS PIN FLOATING.

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ADuM231D

ENCODE

DECODE

ENCODE

DECODE

DECODE

ENCODE

NIC = NO INTERNAL CONNECTION. LEAVE THIS PIN FLOATING.

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ADuM231E

NIC

NIC