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PDF MAX13051 Data sheet ( Hoja de datos )
| Número de pieza | MAX13051 | |
| Descripción | Fault-Protected Can Transceiver | |
| Fabricantes | Maxim Integrated | |
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MAX13051
±80V Fault-Protected Can Transceiver
with Autobaud
General Description
The MAX13051 ±80V fault-protected CAN transceiver
with autobaud is ideal for device net and other industri-
al network applications where overvoltage protection is
required. The MAX13051 provides a link between the
CAN protocol controller and the physical wires of the
bus lines in a control area network (CAN).
The MAX13051 features three different modes of opera-
tion: high speed, slope control, and standby. High-
speed mode allows data rates up to 1Mbps. The
slope-control mode can be used to program the slew
rate of the transmitter for data rates of up to 500kbps,
reducing the effects of EMI and allowing the use of
unshielded-twisted or parallel cable. In standby mode,
the transmitter shuts off and a low-power receiver moni-
tors the bus, waiting for a wake-up signal.
The MAX13051 provides a transmitter data (TXD) domi-
nant timeout function that prevents erroneous CAN con-
trollers from clamping the bus to a dominant level if the
TXD input is held low for greater than 1ms. The
MAX13051 also provides an autobaud feature allowing
the microcontroller to compute the incoming baud rate
without destroying CAN protocol communication. The
MAX13051 input common-mode range is greater than
±12V, exceeding the ISO 11898 specification of -2V to
+7V, and features ±6kV Human Body Model protection,
making these devices ideal for harsh environments. The
MAX13051 is available in an 8-pin SO package and is
specified from the -40°C to +85°C and -40°C to +125°C
temperature ranges.
Industrial Networks
Device Net Nodes
Telecom
HVAC
Applications
Features
o Fully Compatible with the ISO 11898 Standard
o Autobaud Mode
o Short-Circuit Protection
o High-Speed Operation Up to 1Mbps
o Slope-Control Mode
o Low-Current Standby Mode
o Thermal Shutdown
o Transmit Data Dominant Timeout
o ±6kV Human Body Model ESD Protection
o Greater than ±12V Common-Mode Range
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX13051ESA+ -40°C to +85°C 8 SO
MAX13051ASA+ -40°C to +125°C 8 SO
+Denotes a lead(Pb)-free/RoHS-compliant package.
Typical Operating Circuit
VCC
0.1µF
120Ω
TOP VIEW
Pin Configuration
+
TXD 1
GND 2
VCC 3
MAX13051
RXD 4
8 RS
7 CANH
6 CANL
5 AUTOBAUD
SO
CAN
CONTROLLER
TX0
RX0
I/O
GND I/O
VCC CANH
MAX13051
TXD CANL
RXD
AUTOBAUD
RS
16kΩ TO 200kΩ
GND
120Ω
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-3500; Rev 1; 10/12
1 page  
MAX13051
±80V Fault-Protected Can Transceiver
with Autobaud
Timing Diagrams (continued)
STANDBY MODE
DOMINANT
VDIFF
0.9V
RXD
tWAKE
Figure 2. Timing Diagram for Standby and Wake-Up Signal
Typical Operating Characteristics
(VCC = +5V, RL = 60Ω, CL = 100pF, TA = +25°C, unless otherwise specified.)
SLEW RATE
vs. RRS AT 100kbps
30
25
20
15
10 DOMINANT
5
RECESSIVE
0
0 20 40 60 80 100 120 140 160 180 200
RRS (kΩ)
SUPPLY CURRENT
vs. DATA RATE
40
35 TA = +125°C
30
25 TA = -40°C TA = +25°C
20
15
0 100 200 300 400 500 600 700 800 900 1000
DATA RATE (kbps)
20
19
18
17
16
15
14
13
12
11
10
-40
STANDBY SUPPLY CURRENT
vs. TEMPERATURE (RS = VCC)
-15 10 35 60
TEMPERATURE (°C)
85
Maxim Integrated
5
5 Page 
MAX13051
±80V Fault-Protected Can Transceiver
with Autobaud
RC
1MΩ
RD
1.5kΩ
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
HIGH-
VOLTAGE
DC
SOURCE
Cs
100pF
STORAGE
CAPACITOR
DEVICE
UNDER
TEST
Figure 7. Human Body ESD Test Model
Power Supply and Bypassing
The MAX13051 requires no special layout considera-
tions beyond common practices. Bypass VCC to GND
with a 0.1µF ceramic capacitor mounted closely to the
IC with short lead lengths and wide trace widths.
±6kV ESD Protection
ESD protection structures are incorporated on all inputs
to protect against ESD encountered during handling and
assembly. CANH and CANL inputs have extra protection
to protect against static electricity found in normal opera-
tion. Maxim’s engineers have developed state-of-the-art
structures to protect these pins (CANH, CANL) against
±6kV ESD without damage. ESD protection can be test-
ed in several ways. The CANH and CANL inputs are
characterized for protection to ±6kV using the Human
Body Model.
IP 100%
90%
Ir PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
AMPERES
36.8%
10%
0
0
tRL
TIME
tDL
CURRENT WAVEFORM
Figure 8. Human Body Model Current Waveform
ESD Test Conditions
ESD performance depends on a number of conditions.
Contact Maxim for a reliability report that documents
test setup, methodology, and results.
Human Body Model
Figure 7 shows the Human Body Model, and Figure 8
shows the current waveform it generates when dis-
charged into a low impedance. This model consists of
a 100pF capacitor charged to the ESD voltage of inter-
est, which is then discharged into the device through a
1.5kΩ resistor.
PROCESS: BiCMOS
Chip Information
Package Information
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
8 SO
PACKAGE
CODE
S8M+5
LAND
OUTLINE NO. PATTERN NO.
21-0041
90-0096
Maxim Integrated
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX13051.PDF ] | |
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