ADUM1310 Datasheet, PDF (1/16 Pages) Analog Devices – Triple-Channel Digital Isolator with Programmable Default Output

Triple-Channel Digital Isolator with
Programmable Default Output
ADuM1310
FEATURES
GENERAL DESCRIPTION
Pb-free, 16-lead, wide body SOIC package
Low power operation
5 V operation
1.0 mA per channel max @ 0 Mbps to 2 Mbps
3.5 mA per channel max @ 10 Mbps
3 V operation
0.7 mA per channel max @ 0 Mbps to 2 Mbps
2.1 mA per channel max @ 10 Mbps
3 V/5 V level translation
High temperature operation: 105°C
Up to 10 Mbps data rate (NRZ)
Programmable default output state
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 EN 60747-5-2 (VDE 0884 Part 2): 2003-01
DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000
VIORM = 560 V peak
APPLICATIONS
General-purpose, unidirectional, multichannel isolation
The ADuM1310¹ is a unidirectional, triple-channel digital
isolator based on Analog Devices, Inc. iCoupler® technology.
Combining high speed CMOS and monolithic coreless trans-
former technology, this isolation component provides outstanding
performance characteristics superior to alternatives such as
optocoupler devices.
By avoiding the use of LEDs and photodiodes, iCoupler
devices remove the design difficulties commonly associated
with optocouplers. The typical concerns that arise with opto-
couplers, such as uncertain current transfer ratios, nonlinear
transfer functions, and temperature and lifetime effects, are
eliminated with the simple iCoupler digital interfaces and stable
performance characteristics. The need for external drivers and
other discretes is eliminated with these iCoupler products.
Furthermore, iCoupler devices run at one-tenth to one-sixth
the power consumption of optocouplers at comparable signal
data rates.
The ADuM1310 isolator provides three independent isolation
channels at data rates up to 10 Mbps. It operates with the supply
voltage of 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.
This product also has a default output control pin. This allows
the user to define the logic state the outputs are to adopt in the
absence of the input VDD1 power. Unlike other optocoupler
alternatives, the ADuM1310 has a patented refresh feature that
ensures dc correctness in the absence of input logic transitions
and during power-up/power-down conditions.
FUNCTIONAL BLOCK DIAGRAM
ADuM1310
V_DD1 1
GND₁ 2
V_IA 3
V_IB 4
V_IC 5
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
16 V_DD2
15 GND₂
14 V_OA
13 V_OB
12 V_OC
NC 6
11 NC
DISABLE 7
10 CTRL
GND₁ 8
9 GND₂
NC = NO CONNECT
Figure 1.
1 _{Protected by U.S. Patents 5,952,849; 6,873,065; and other pending patents.}
Rev. E
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