ADUM2402_15 Datasheet, PDF (1/24 Pages) Analog Devices – Quad-Channel Digital Isolators

Data Sheet
Quad-Channel Digital Isolators
ADuM2400/ADuM2401/ADuM2402
FEATURES
Low power operation
5 V operation
1.0 mA per channel maximum @ 0 Mbps to 2 Mbps
3.5 mA per channel maximum @ 10 Mbps
31 mA per channel maximum @ 90 Mbps
3 V operation
0.7 mA per channel maximum @ 0 Mbps to 2 Mbps
2.1 mA per channel maximum @ 10 Mbps
20 mA per channel maximum @ 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 package version (RW-16)
16-lead SOIC wide body enhanced creepage version (RI-16)
Safety and regulatory approvals (RI-16 package)
UL recognition: 5000 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
IEC 60601-1: 250 V rms (reinforced)
IEC 60950-1: 400 V rms (reinforced)
VDE Certificate of Conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 846 V peak
APPLICATIONS
General-purpose, high voltage, multichannel isolation
Medical equipment
Motor drives
Power supplies
GENERAL DESCRIPTION
The ADuM240x¹ are 4-channel digital isolators based on Analog
Devices, Inc., iCoupler® technology. Combining high speed CMOS
and monolithic air core transformer technology, these isolation
components provide outstanding performance characteristics that
are superior to alternatives, such as optocoupler devices.
By avoiding the use of LEDs and photodiodes, iCoupler devices
remove the design difficulties commonly associated with opto-
couplers. The typical optocoupler concerns regarding uncertain
current transfer ratios, nonlinear transfer functions, and tempera-
ture and lifetime effects are eliminated with the simple
1 _{Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.}
Rev. E
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FUNCTIONAL BLOCK DIAGRAMS
V_DD1 1
GND₁ 2
V_IA 3
V_IB 4
V_IC 5
V_ID 6
NC 7
GND₁ 8
ENCODE
ADuM2400 16 V_DD2
15 GND₂
DECODE
14 V_OA
ENCODE
DECODE
13 V_OB
ENCODE
DECODE
12 V_OC
ENCODE
DECODE
11 V_OD
10 V_E2
9 GND₂
Figure 1. ADuM2400
V_DD1 1
GND₁ 2
V_IA 3
V_IB 4
V_IC 5
V_OD 6
V_E1 7
GND₁ 8
ENCODE
ADuM2401 16 VDD2
15 GND₂
DECODE
14 V_OA
ENCODE
DECODE
13 V_OB
ENCODE
DECODE
12 V_OC
DECODE
ENCODE
11 V_ID
10 V_E2
9 GND₂
Figure 2. ADuM2401
V_DD1 1
GND₁ 2
V_IA 3
V_IB 4
V_OC 5
V_OD 6
V_E1 7
GND₁ 8
ENCODE
ADuM2402 16 VDD2
15 GND₂
DECODE
14 V_OA
ENCODE
DECODE
13 V_OB
DECODE
ENCODE
12 V_IC
DECODE
ENCODE
11 V_ID
10 V_E2
9 GND₂
Figure 3. ADuM2402
iCoupler digital interfaces and stable performance characteristics.
Furthermore, iCoupler devices run at one-tenth to one-sixth
the power of optocouplers at comparable signal data rates.
The ADuM240x isolators provide four independent isolation
channels in a variety of channel configurations and data rates (see
the Ordering Guide). The ADuM240x models operate 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. In
addition, the ADuM240x provide low pulse width distortion (<2 ns
for CRWZ grade) and tight channel-to-channel matching (<2 ns
for CRWZ grade). The ADuM240x isolators have a patented
refresh feature that ensures dc correctness in the absence of input
logic transitions and during power-up/power-down conditions.
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