ADUM2201 Datasheet PDF - Analog Devices
| Part Number | ADUM2201 | |
| Description | (ADUM2200 / ADUM2201) Dual-Channel Digital Isolators | |
| Manufacturers | Analog Devices | |
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Dual-Channel Digital Isolators, 5 kV
ADuM2200/ADuM2201
FEATURES
High isolation voltage: 5000 V rms
Low power operation
5 V operation
1.6 mA per channel maximum @ 0 Mbps to 2 Mbps
3.7 mA per channel maximum @ 10 Mbps
3 V operation
www.DataSheet4U.c1o.m4 mA per channel maximum @ 0 Mbps to 2 Mbps
2.4 mA per channel maximum @ 10 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 105°C
High data rate: dc to 10 Mbps (NRZ)
Precise timing characteristics
3 ns maximum pulse width distortion
3 ns maximum channel-to-channel matching
High common-mode transient immunity: >25 kV/μs
16-lead SOIC wide body package (RoHS-compliant
models available)
Safety and regulatory approvals
UL recognition: 5000 V rms for 1 minute per UL 1577
(pending)
CSA Component Acceptance Notice #5A (pending)
IEC 60950-1: 600 V rms (reinforced)
IEC 60601-1: 250 V rms (reinforced)
VDE certificate of conformity (pending)
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
Power supplies
RS-232/RS-422/RS-485 transceiver isolation
GENERAL DESCRIPTION
The ADuM220x1 are 2-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 optocouplers. Typical optocoupler concerns regarding
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 discrete
components is eliminated with these iCoupler products.
Furthermore, iCoupler devices run at one-tenth to one-sixth
the power of optocouplers at comparable signal data rates.
The ADuM220x isolators provide two independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide). The ADuM220x models operate with
the supply voltage of either side ranging from 3.0 V to 5.5 V,
providing compatibility with lower voltage systems as well as
enabling voltage translation functionality across the isolation
barrier. In addition, the ADuM220x provide low pulse width
distortion (<3 ns for BRWZ grade) and tight channel-to-
channel matching (<3 ns for BRWZ grade). Unlike other
optocoupler alternatives, the ADuM220x isolators have a
patented refresh feature that ensures dc correctness in the
absence of input logic transitions and during power-up/power-
down conditions.
1 Protected by U.S. Patents 5,952,849, 6,873,065, 6,903,578, and 7,075,329;
other patents pending.
FUNCTIONAL BLOCK DIAGRAMS
GND1 1
NC 2
PIN 1
INDICATOR
ADuM2200
VDD1 3
VIA 4
ENCODE
DECODE
VIB 5
NC 6
ENCODE
DECODE
GND1 7
NC 8
NC = NO CONNECT
Figure 1. ADuM2200
16 GND2
15 NC
14 VDD2
13 VOA
12 VOB
11 NC
10 NC
9 GND2
GND1 1
NC 2
PIN 1
INDICATOR
ADuM2201
VDD1 3
VOA 4
DECODE
ENCODE
VIB 5
NC 6
ENCODE
DECODE
GND1 7
NC 8
NC = NO CONNECT
Figure 2. ADuM2201
16 GND2
15 NC
14 VDD2
13 VIA
12 VOB
11 NC
10 NC
9 GND2
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.
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ADuM2200/ADuM2201
ELECTRICAL CHARACTERISTICS—3 V OPERATION1
3.0 V ≤ VDD1 ≤ 3.6 V, 3.0 V ≤ VDD2 ≤ 3.6 V. All minimum/maximum specifications apply over the entire recommended operation range,
unless otherwise noted. All typical specifications are at TA = 25°C, VDD1 = VDD2 = 3.0 V.
Table 2.
Parameter
DC SPECIFICATIONS
Input Supply Current, per Channel, Quiescent
Output Supply Current, per Channel, Quiescent
ADuM2200, Total Supply Current, Two Channels2
DC to 2 Mbps
VDD1 Supply Current
www.DataSheet4U.com
VDD2 Supply Current
Symbol
IDDI (Q)
IDDO (Q)
IDD1 (Q)
IDD2 (Q)
Min
Typ Max
0.3 0.5
0.3 0.5
Unit
mA
mA
0.8 1.3
0.7 1.0
mA
mA
10 Mbps (BR Grade Only)
VDD1 Supply Current
VDD2 Supply Current
ADuM2201, Total Supply Current, Two Channels2
DC to 2 Mbps
VDD1 Supply Current
IDD1 (10)
IDD2 (10)
IDD1 (Q)
2.0 3.2
1.1 1.7
0.7 1.3
mA
mA
mA
VDD2 Supply Current
IDD2 (Q)
0.8 1.6
mA
10 Mbps (BR Grade Only)
VDD1 Supply Current
VDD2 Supply Current
For All Models
Input Currents
Logic High Input Threshold
Logic Low Input Threshold
Logic High Output Voltages
Logic Low Output Voltages
SWITCHING SPECIFICATIONS
ADuM220xAR
Minimum Pulse Width3
Maximum Data Rate4
Propagation Delay5
Pulse Width Distortion, |tPLH − tPHL|5
Propagation Delay Skew6
Channel-to-Channel Matching7
Output Rise/Fall Time (10% to 90%)
ADuM220xBR
Minimum Pulse Width3
Maximum Data Rate4
Propagation Delay5
Pulse Width Distortion, |tPLH −tPHL|5
IDD1 (10)
IDD2 (10)
IIA, IIB
VIH
VIL
VOAH
VOBH
VOAL
VOBL
1.5 2.1
1.9 2.4
mA
mA
−10
0.7 (VDD1
or VDD2)
+0.01
(VDD1 or
VDD2) − 0.1
(VDD1 or
VDD2) − 0.5
3.0
2.8
0.0
0.04
0.2
+10
0.3 (VDD1
or VDD2)
0.1
0.1
0.4
μA
V
V
V
V
V
V
V
PW
tPHL, tPLH
PWD
tPSK
tPSKCD/OD
tR/tF
1
20
PW
tPHL, tPLH
PWD
10
20
1000
ns
Mbps
150 ns
40 ns
100 ns
50 ns
10 ns
100 ns
Mbps
60 ns
3 ns
Test Conditions
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
5 MHz logic signal frequency
5 MHz logic signal frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
5 MHz logic signal frequency
5 MHz logic signal frequency
0 V ≤ VIA, VIB ≤ VDD1 or VDD2
IOx = −20 μA, VIx = VIxH
IOx = −4 mA, VIx = VIxH
IOx = 20 μA, VIx = VIxL
IOx = 400 μA, VIx = VIxL
IOx = 4 mA, VIx = VIxL
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
CL = 15 pF, CMOS signal levels
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