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PDF ADM3053 Data sheet ( Hoja de datos )
| Número de pieza | ADM3053 | |
| Descripción | Signal and Power Isolated CAN Transceiver | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Signal and Power Isolated CAN Transceiver
with Integrated Isolated DC-to-DC Converter
ADM3053
FEATURES
GENERAL DESCRIPTION
2.5 kV rms signal and power isolated CAN transceiver
isoPower integrated isolated dc-to-dc converter
5 V operation on VCC
5 V or 3.3 V operation on VIO
Complies with ISO 11898 standard
High speed data rates of up to 1 Mbps
Unpowered nodes do not disturb the bus
Connect 110 or more nodes on the bus
Slope control for reduced EMI
Thermal shutdown protection
High common-mode transient immunity: >25 kV/µs
Safety and regulatory approvals (pending)
UL recognition
2500 V rms for 1 minute per UL 1577
VDE Certificate of Conformity
DIN EN 60747-5-2 (VDE 0884 Rev.2): 2003-01
Industrial operating temperature range (−40°C to +85°C)
Available in wide-body, 20-lead SOIC package
The ADM3053 is an isolated controller area network (CAN)
physical layer transceiver with an integrated isolated dc-to-dc
converter. The ADM3053 complies with the ISO 11898 standard.
The device employs Analog Devices, Inc., iCoupler® technology
to combine a 2-channel isolator, a CAN transceiver, and
Analog Devices isoPower® dc-to-dc converter into a single
SOIC surface mount package. An on-chip oscillator outputs a pair
of square waveforms that drive an internal transformer to provide
isolated power. The device is powered by a single 5 V supply
realizing a fully isolated CAN solution.
The ADM3053 creates a fully isolated interface between the
CAN protocol controller and the physical layer bus. It is capable
of running at data rates of up to 1 Mbps.
The device has current limiting and thermal shutdown features
to protect against output short circuits. The part is fully specified
over the industrial temperature range and is available in a
20-lead, wide-body SOIC package.
APPLICATIONS
CAN data buses
Industrial field networks
The ADM3053 contains isoPower technology that uses high
frequency switching elements to transfer power through the
transformer. Special care must be taken during printed circuit
board (PCB) layout to meet emissions standards. Refer to the
AN-0971 Application Note, Control of Radiated Emissions with
isoPower Devices, for details on board layout considerations.
FUNCTIONAL BLOCK DIAGRAM
VCC
VISOOUT
isoPower DC-TO-DC CONVERTER
OSCILLATOR
RECTIFIER
VIO
TxD
RxD
REGULATOR
DIGITAL ISOLATION iCoupler
ENCODE
DECODE
ADM3053
DECODE
ENCODE
TxD
RS
RxD
VREF
SLOPE/
STANDBY
VCC
PROTECTION
DRIVER
RECEIVER
REFERENCE
VOLTAGE
CAN TRANSCEIVER
GND2
GND1
LOGIC SIDE
ISOLATION
BARRIER
Figure 1.
GND2
BUS SIDE
VISOIN
RS
CANH
CANL
VREF
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
©2011 Analog Devices, Inc. All rights reserved.
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VRxD
ADM3053
HIGH
VHYS
LOW
0.5 0.9 VID (V)
Figure 3. Receiver Input Hysteresis
REGULATORY INFORMATION
Table 3. Pending ADM3053 Approvals
Organization Approval Type
UL To be recognized under the Component
Recognition Program of Underwriters
Laboratories, Inc.
VDE To be certified according to DIN EN 60747-5-2
(VDE 0884 Rev. 2): 2003-01
Notes
In accordance with UL 1577, each ADM3053 is proof tested by applying
an insulation test voltage ≥2500 V rms for 1 second.
In accordance with VDE 0884-2.
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 4.
Parameter
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
Symbol
L(I01)
Value
2500
7.7
Unit
V rms
mm
Minimum External Tracking (Creepage) L(I02)
7.6
mm
Minimum Internal Gap (Internal
Clearance)
Tracking Resistance (Comparative
Tracking Index)
Isolation Group
CTI
0.017 min mm
>175
V
IIIa
Conditions
1-minute duration
Measured from input terminals to output terminals,
shortest distance through air
Measured from input terminals to output terminals,
shortest distance along body
Insulation distance through insulation
DIN IEC 112/VDE 0303-1
Material group (DIN VDE 0110: 1989-01, Table 1)
Rev. 0 | Page 5 of 20
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2.80
2.75
2.70
2.65
2.60
2.55
VCC = 5V, VIO = 5V, IREF = +50µA
VCC = 5V, VIO =5V, IREF = +5µA
VCC = 5V, VIO = 5V, IREF = –5µA
VCC = 5V, VIO = 5V, IREF = –50µA
2.50
2.45
2.40
–40
–15 10 35 60
TEMPERATURE (°C)
Figure 17. Reference Voltage vs. Temperature
160
VCC = 5V
VIO = 5V
140 DATA RATE = 1Mbps
RL = 60Ω
120
85
100
80
60
40
20
0
–40 –15
10
35
60
TEMPERATURE (°C)
Figure 18. Supply Current ICC vs. Temperature
85
140
VIO = 5V
138 TA = 25°C
DATA RATE = 1Mbps
136
134
132
130
128
126
124
122
120
118
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4
SUPPLY VOLTAGE, VCC (V)
Figure 19. Supply Current, ICC vs. Supply Voltage VCC
5.5
ADM3053
4.895
4.890
4.885
4.880
VCC = 5V, VIO = 5V, IOUT = –1.5mA
4.875
4.870
4.865
4.860
4.855
–40 –15
10
35
60
TEMPERATURE (°C)
Figure 20. Receiver Output High Voltage vs. Temperature
85
120
100
80
60
40
20
0
–40 –15
10
35
60
TEMPERATURE (°C)
Figure 21. Receiver Output Low Voltage vs. Temperature
85
Rev. 0 | Page 11 of 20
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