19-2425; Rev 0; 4/02
卤80V Fault-Protected, 2Mbps,
Low Supply Current CAN Transceiver
General Description
The MAX3053 interfaces between the control area net-
work (CAN) protocol controller and the physical wires of
the bus lines in a CAN. It is primarily intended for indus-
trial systems requiring data rates up to 2Mbps and fea-
tures 卤80V fault protection against shorts to
high-voltage power buses. The device provides differ-
ential transmit capability to the bus and differential
receive capability to the CAN controller.
The MAX3053 has three different modes of operation:
high-speed, slope control, and shutdown. High-speed
mode allows data rates up to 2Mbps. In slope control
mode, data rates are between 40kbps and 500kbps so
the effects of EMI are reduced and unshielded twisted
or parallel cable may be used. In shutdown mode, the
transmitter is switched off, and the receiver is switched
to a low-current mode.
An autoshutdown function puts the device in 15碌A shut-
down mode when the bus or CAN controller is inactive
for 47ms or greater.
The MAX3053 is available in an 8-pin SO package and
is specified for -40掳C to +125掳C operation.
o
卤80V Fault Protection
o
Three Operating Modes
High-Speed Operation up to 2Mbps
Slope Control Mode to Reduce EMI
(40kbps to 500kbps)
o
15碌A Low-Current Shutdown Mode
o
Autoshutdown when Device Is Inactive
o
Automatic Wakeup from Shutdown
o
Thermal Shutdown
o
Current Limiting
o
Fully Compatible with the ISO 11898 Standard
Features
MAX3053
Ordering Information
PART
MAX3053ESA
MAX3053ASA
TEMP RANGE
-40掳C to +85掳C
-40掳C to +125掳C
PIN-PACKAGE
8 SO
8 SO
Applications
Industrial Control and Networks
Printers
Automotive Systems
HVAC Controls
Telecom 72V Systems
Pin Configuration appears at end of data sheet.
Typical Operating Circuit
V
CC
120鈩?/div>
100nF
V
CC
CANH
TXD
CAN
CONTROLLER
RXD
TXD
MAX3053
CANL
100nF
SHDN
120鈩?/div>
GND
RXD
GND
25k鈩?TO 180k鈩?/div>
RS
________________________________________________________________
Maxim Integrated Products
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For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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