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PDF MAX13052 Data sheet ( Hoja de datos )

Número de pieza MAX13052
Descripción (MAX13050 - MAX13054) Industry-Standard High-Speed CAN Transceivers
Fabricantes Maxim Integrated Products 
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19-3598; Rev 0; 2/05
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
General Description
The MAX13050/MAX13052/MAX13053/MAX13054 are
pin-for-pin compatible, industry-standard, high-speed,
control area network (CAN) transceivers with extended
±80V fault protection. These products are ideal automo-
tive and industrial network applications where overvoltage
protection is required. These CAN transceivers provide a
link between the CAN protocol controller and the physical
wires of the bus lines in a CAN. These devices can be
used for +12V/+42V battery, automotive, and DeviceNet®
applications, requiring data rates up to 1Mbps.
The CAN transceivers have an input common-mode
range greater than ±12V, exceeding the ISO11898
specification of -2V to +7V, and feature ±8kV ESD pro-
tection, making these devices ideal for harsh automo-
tive and industrial environments.
The CAN transceivers provide a dominant timeout func-
tion that prevents erroneous CAN controllers from clamp-
ing the bus to a dominant level if the TXD input is held low
for greater than 1ms. The MAX13050/MAX13052 provide
a SPLIT pin used to stabilize the recessive common-
mode voltage. The MAX13052 also has a slope-control
mode that can be used to program the slew rate of the
transmitter for data rates of up to 500kbps. The
MAX13053 features a silent mode that disables the trans-
mitter. The MAX13053 also has a reference output that
can be used to bias the input of older CAN controllers
that have a differential comparator. The MAX13054 has a
separate dedicated logic input, VCC2, allowing interfacing
with a +3.3V microcontroller.
The MAX13050/MAX13052/MAX13053/MAX13054 are
available in an 8-pin SO package and are specified to
operate in the -40°C to +85°C and the -40°C to +125°C
temperature ranges.
Applications
+12V and +42V
Automotive
DeviceNet Nodes
Medium- and Heavy-Duty
Truck Systems
Industrial
Features
Fully Compatible with the ISO11898 Standard
±8kV ESD IEC 61000-4-2 Contact Discharge per
IBEE Test Facility
±80V Fault Protection
+3.3V Logic Compatible (MAX13054)
High-Speed Operation of Up to 1Mbps
Slope-Control Mode (MAX13052)
Greater than ±12V Common-Mode Range
Low-Current Standby Mode
Silent Mode (MAX13053)
Thermal Shutdown
Short-Circuit Protection
Transmit (TXD) Data Dominant Timeout
Current Limiting
SPLIT Pin (MAX13050/MAX13052)
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX13050ESA
-40°C to +85°C 8 SO
MAX13050ASA/AUT* -40°C to +125°C 8 SO
MAX13052ESA
-40°C to +85°C 8 SO
MAX13052ASA/AUT* -40°C to +125°C 8 SO
MAX13053ESA
-40°C to +85°C 8 SO
MAX13053ASA/AUT* -40°C to +125°C 8 SO
MAX13054ESA
-40°C to +85°C 8 SO
MAX13054ASA/AUT* -40°C to +125°C 8 SO
*AUT denotes introduction to AECQ100 specifications.
Pin Configurations, Functional Diagrams, and Typical
Operating Circuits appear at end of data sheet.
DeviceNet is a registered trademark of the Open DeviceNet
Vendor Association.
Selector Guide
PART
MAX13050
MAX13052
MAX13053
MAX13054
SPLIT
Yes
Yes
SLOPE
CONTROL
Yes
STANDBY
MODE
Yes
Yes
——
SILENT
MODE
Yes
— Yes
3.3V
SUPPLY
Yes
REF
Yes
PIN-FOR-PIN
REPLACEMENT
TJA1040
PCA82C250/5-1
TJA1050,
AMIS-30660
TLE6250v33,
CF163
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

1 page




MAX13052 pdf
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
TIMING CHARACTERISTICS (continued)
(VCC = +5V ±5%, VCC2 = +3V to +3.6V, RL = 60, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
VCC = +5V, VCC2 = +3.3V, and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Dominant Time for Wake-Up with
Bus
tWAKE Standby mode, VDIFF = +3V, Figure 2
0.75 1.5 3.00
µs
Delay STBY to Normal Mode
(DOMINANT)
TXD Dominant Timeout
tSTBY-
NORM
TXD = 0 (MAX13050, MAX13054)
FROM STBY falling to CANH - CANL = 0.9V
5
10
tDOM
VTXD = 0
0.3 0.6 1.0
µs
ms
Note 1: All currents into the device are positive, all currents out of the device are negative. All voltages are referenced to the device
ground, unless otherwise noted.
Note 2: Guaranteed by design, not production tested.
Note 3: MAX13050 tested by IBEE test facility. Please contact factory for report. MAX13052/MAX13053/MAX13054 are pending ESD
evaluation.
Note 4: For the MAX13052, VRS = 0.
Timing Diagrams
TXD
VDIFF
DOMINANT
0.9V
0.5V
RECESSIVE
RXD
0.3 x VCC OR 0.3 x VCC2
tONTXD
tONRXD
tONLOOP
0.7 x VCC OR 0.7 x VCC2
tOFFTXD
tOFFRXD
tOFFLOOP
Figure 1. Timing Diagram
_______________________________________________________________________________________ 5

5 Page





MAX13052 arduino
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Table 2. Transmitter and Receiver Truth Table (MAX13052)
TXD
Low
High or Float
X
RS
VRS 0.75 x VCC
VRS 0.75 x VCC
VRS 0.75 x VCC
CANH
High
VCC / 2
RICM to GND
CANL
Low
VCC / 2
RICM to GND
BUS STATE
Dominant
Recessive
Recessive
RXD
Low
High
High
Table 3. Transmitter and Receiver Truth Table
(MAX13053)
TXD
Low
High or Float
X
RS
VS < 0.8V
VS < 0.8V
VS > 2V
CANH
High
VCC / 2
VCC / 2
CANL
Low
VCC / 2
VCC / 2
BUS STATE
Dominant
Recessive
Recessive
RXD
Low
High
High
(MAX13050/MAX13054)
TXD
STBY
Low
VSTBY 0.8V
*VSTBY 0.3 x VCC2
High or Float
X
VSTBY 0.8V
*VSTBY 0.3 x VCC2
VSTBY 2V
*VSTBY 0.7 x VCC2
*For the MAX13054
CANH
High
VCC / 2
RICM to GND
tDOM
TRANSMITTER
ENABLED
TXD
VCANH - VCANL
TRANSMITTER
DISABLED
Figure 3. Transmitter Dominant Timeout Timing Diagram
CANL
Low
VCC / 2
RICM to GND
BUS STATE
Dominant
Recessive
Recessive
RXD
Low
High
High
The CANH and CANL common-mode range is greater
than ±12V. RXD is logic-high when CANH and CANL
are shorted or terminated and undriven.
+3.3V Logic Compatibility (MAX13054)
A separate input, VCC2, allows the MAX13054 to com-
municate with +3.3V logic systems while operating from
a +5V supply. This provides a reduced input voltage
threshold to the TXD and STBY inputs, and provides a
logic-high output at RXD compatible with the microcon-
troller’s system voltage. The logic compatibility elimi-
nates longer propagation delay due to level shifting.
Connect VCC2 to VCC to operate the MAX13054 with
+5V logic systems.
(Figure 3). The transmitter becomes enabled upon
detecting a rising edge at TXD.
Receiver
The receiver reads differential inputs from the bus lines
(CANH, CANL) and transfers this data as a single-
ended output (RXD) to the CAN controller. It consists of
a comparator that senses the difference VDIFF =
(CANH - CANL) with respect to an internal threshold of
0.7V. If this difference is positive (i.e., VDIFF > 0.7), a
logic-low is present at RXD. If negative (i.e., VDIFF <
0.7V), a logic-high is present.
Driver Output Protection
The current-limiting feature protects the transmitter out-
put stage against a short circuit to a positive and nega-
tive battery voltage. Although the power dissipation
increases during this fault condition, current-limit pro-
tection prevents destruction of the transmitter output
stage. Upon removal of a short, the CAN transceiver
resumes normal operation.
Thermal Shutdown
If the junction temperature exceeds +165°C, the driver
is switched off. The hysteresis is approximately 13°C,
______________________________________________________________________________________ 11

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