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MAX3053ASAMAXIMN/a20avai【80V Fault-Protected, 2Mbps, Low Supply Current CAN Transceiver


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MAX3053ASA
【80V Fault-Protected, 2Mbps, Low Supply Current CAN Transceiver
MAX3053
±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 ±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 15µA 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°C to +125°C operation.
Applications

Industrial Control and Networks
Printers
Automotive Systems
HVAC Controls
Telecom 72V Systems
Features
±80V Fault ProtectionThree Operating Modes
High-Speed Operation up to 2Mbps
Slope Control Mode to Reduce EMI
(40kbps to 500kbps)
15µA Low-Current Shutdown ModeAutoshutdown when Device Is InactiveAutomatic Wakeup from ShutdownThermal ShutdownCurrent LimitingFully Compatible with the ISO 11898 Standard
Ordering Information
Typical Operating Circuit

19-2425; Rev 0; 4/02
Pin Configuration appears at end of data sheet.
MAX3053
±80V Fault-Protected, 2Mbps,
Low Supply Current CAN Transceiver
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VCC to GND............................................................-0.3V to +6V
TXD, RS, RXD, SHDNto GND....................-0.3V to (VCC+ 0.3V)
RXD Shorted to GND.................................................Continuous
CANH, CANL to GND...........................-80V to +80V Continuous
Continuous Power Dissipation
8-Pin SO (derate 5.9mW/°C above +70°C) .................470mW
Operating Temperature Ranges
MAX3053ASA...............................................-40°C to +125°C
MAX3053ESA.................................................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
MAX3053
±80V Fault-Protected, 2Mbps,
Low Supply Current CAN Transceiver
DC ELECTRICAL CHARACTERISTICS (continued)

(VCC= +5V ±10%, RL= 60Ω, RS = GND, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and TA= +25°C.)
MAX3053
±80V Fault-Protected, 2Mbps,
Low Supply Current CAN Transceiver
TIMING CHARACTERISTICS

(VCC= +5V ±10%, RL= 60Ω, CL= 100pF, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and
Note 1:
As defined by ISOSHDN, bus value is one of two complementary logical values: dominant or recessive. The dominant value
represents the logical 1 and the recessive represents the logical 0. During the simultaneous transmission of the dominant
and recessive bits, the resulting bus value is dominant. For MAX3053 values, see the truth table in the Transmitterand
Receiversections.
Note 2:
The ESD structures do not short out CANH and CANL under an ESD event while -7V < CANH, CANL < +12V.
MAX3053
±80V Fault-Protected, 2Mbps,
Low Supply Current CAN Transceiver
Typical Operating Characteristics

(VCC= +5V, RL= 60Ω, CL= 100pF, TA= +25°C, unless otherwise specified.)
MAX3053
±80V Fault-Protected, 2Mbps,
Low Supply Current CAN Transceiver
DRIVER PROPAGATION DELAY

MAX3053 toc10
40ns/div
RRS = GND
2V/div
TXD
CANH - CANLypical Operating Characteristics (continued)
(VCC= +5V, RL= 60Ω, CL= 100pF, TA= +25°C, unless otherwise specified.)
Pin Description
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