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MAX13050ASAMAXIMN/a2462avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13050ASA+MAIXMN/a2500avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13050ASA+ |MAX13050ASAMAXIMN/a1100avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13050ESA+MAXN/a350avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13052ASA+ |MAX13052ASAMAXIMN/a3200avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13052ASA+TMAXIMN/a2400avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13052ESA+MAXIMN/a2372avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13053ASA+MAXIMN/a2372avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13053ASA+TMAXICN/a2500avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13054ASA+ |MAX13054ASAMAXIMN/a14860avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection
MAX13054ESA+ |MAX13054ESAMAXIMN/a55avaiIndustry-Standard High-Speed CAN Transceivers with ±80V Fault Protection


MAX13054ASA+ ,Industry-Standard High-Speed CAN Transceivers with ±80V Fault ProtectionGeneral Description Beneits and
MAX13054ESA , Industry-Standard High-Speed CAN Transceivers with 80,-80V Fault Protection
MAX13054ESA+ ,Industry-Standard High-Speed CAN Transceivers with ±80V Fault ProtectionFeaturesThe MAX13050/MAX13052/MAX13053/MAX13054 are ● Fully Compatible with the ISO11898 Standardpi ..
MAX13055EETI+T ,1.62V to 3.6V, 8-Channel, High-Speed LLTApplicationsLow-Voltage ASIC Level Portable CommunicationTranslation DevicesPin Configurations appe ..
MAX1305ECM ,8-/4-/2-Channel / 12-Bit / Simultaneous-Sampling ADCs with 10V / 5V / and 0 to +5V Analog Input RangesELECTRICAL CHARACTERISTICS(AV = +5V, DV = +3V, AGND = DGND = 0, V = V = +2.5V (external reference), ..
MAX1305ECM+ ,8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V, and 0 to +5V Analog Input RangesElectrical Characteristics(V = +5V, V = +3V, V = V = 0V, V = V = +2.5V (external reference), C = C ..
MAX3845UCQ+D ,DVI/HDMI 2:4 TMDS Fanout Switch and Cable DriverELECTRICAL CHARACTERISTICS(V = 3.0V to +3.6V, T = -10°C to +85°C. Typical values are at V = +3.3V, ..
MAX384CPN ,Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers with Latchable InputsFeaturesThe MAX382/MAX384 are low-voltage, CMOS, 1-of-8' Pin-Compatible with Industry-Standardand d ..
MAX384CWN ,Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers with Latchable InputsELECTRICAL CHARACTERISTICS—Dual Supplies(V+ = +5V ±10%, V- = -5V ±10%, GND = 0V, V = V = 2.4V, V = ..
MAX3850EGJ ,+3.3 V, 2.7 Gbps, DC-coupled laser driverApplications*Dice are designed to operate over this range, but are testedSDH/SONET Transmission Add ..
MAX385CSE ,Precision, Low-Voltage Analog SwitchesGeneral Description ________
MAX385EJE ,Precision, Low-Voltage Analog SwitchesELECTRICAL CHARACTERISTICS—Dual Supplies(V+ = +5V ±10%, V- = -5V ±10%, GND = 0V, V = 2.4V, V = 0.8V ..


MAX13050ASA-MAX13050ASA+-MAX13050ESA+-MAX13052ASA+-MAX13052ASA+T-MAX13052ESA+-MAX13053ASA+-MAX13053ASA+T-MAX13054ASA+-MAX13054ESA+
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 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 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 protection, making
these devices ideal for harsh industrial environments.
The CAN transceivers provide a dominant timeout
function that prevents erroneous CAN controllers from
clamping 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
transmitter. 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.
Beneits and 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)
Applications
●DeviceNet Nodes●Medium- and Heavy-Duty Truck Systems●Industrial
DeviceNet is a registered trademark of the Open DeviceNet
Vendor Association.
Functional Diagrams and Typical Operating Circuits appear
at end of data sheet.
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
VCC, VCC2 ..............................................................-0.3V to +6V
RS.............................................................-0.3V to (VCC + 0.3V)
TXD, STBY, S, REF, RXD .......................................-0.3V to +6V
CANH, CANL, SPLIT ..........................................................± 80V
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.9mW/°C above +70°C) .................470mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .................................-65°C +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
(VCC = +5V ±5%, VCC2 = +3V to +3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V, VCC2 = +3.3V,
RL = 60Ω, and TA = +25°C.) (Note 1)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

VCC Supply Current ICC
Dominant, RL = 60Ω72Recessive
MAX13050/MAX13052/
MAX1305312.5
MAX1305410
VCC2 Supply CurrentICC2MAX13054, TXD = VCC2 or unconnected15µA
Standby CurrentISTANDBYMAX1305225µAMAX13050/MAX1305411
Silent ModeISILENTMAX1305312.5mA
Thermal-Shutdown ThresholdTSH+165°C
Thermal-Shutdown Hysteresis13°C
INPUT LEVELS (TXD, STBY, S)

High-Level Input VoltageVIHTXD, STBY (MAX13054)0.7 x
VCC2
Low-Level Input Voltage VIL
0.8TXD, STBY (MAX13054)0.3 x
VCC2
High-Level Input CurrentIIHVTXD = VCC, VTXD = VCC2 (MAX13054)-5+5µAVSTBY = VCC, VS = VCC (MAX13053)-5+5
Low-Level Input CurrentIILVTXD = GND-300-100µAVSTBY = GND, VS = GND (MAX13053)-10-1
Input Capacitance CIN10pF
CANH, CANL TRANSMITTER

Recessive Bus Voltage VCANH,
VCANL
Normal mode, VTXD = VCC, no load23V
Standby mode, no load -100+100mV
Recessive Output Current ICANH,
ICANL
VCANH, VCANL = ±76V±3mA-32V ≤ VCANH, VCANL ≤ +32V-2.5+2.5
CANH Output VoltageVCANHVTXD = 0, dominant3.04.25V
CANL Output VoltageVCANLVTXD = 0, dominant0.501.75V
Matching Between CANH and VTXD = 0, dominant, TA = +25°C,
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Absolute Maximum Ratings

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.
DC Electrical Characteristics
(VCC = +5V ±5%, VCC2 = +3V to +3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V, VCC2 = +3.3V,
RL = 60Ω, and TA = +25°C.) (Note 1)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Differential Output
(VCANH - VCANL)VDIFFDominant, VTXD = 0, 45Ω ≤ RL ≤ 60Ω1.53.0V
Recessive, VTXD = VCC, no load-50+50mV
CANH Short-Circuit CurrentICANHSCVCANH = 0, VTXD = 0-100-70-45mA
CANL Short-Circuit CurrentICANLSC
VCANL = 5V, VTXD = 0406090VCANL = 40V, VTXD = 0 (Note 2)406090
VCANL = 76V, VTXD = 063
RXD OUTPUT LEVELS

RXD High-Output-Voltage LevelVOH
I = -100µA0.8 x
VCCVCC
I = -100µA (MAX13054)0.8 x
VCC2VCC2
RXD Low-Output-Voltage LevelVOLI = 5mA0.4V
COMMON-MODE STABILIZATION (SPLIT) and REF

Output VoltageVSPLITNormal mode,-500µA ≤ ISPLIT ≤ 500µA
0.3 x
VCC
0.7 x
VCCV
Leakage CurrentILEAKStandby mode, -40V ≤ VSPLIT ≤ +40V20µAStandby mode, -76V ≤ VSPLIT ≤ +76V50
REF Output Voltage VREF -50µA ≤ IREF ≤ +50µA (MAX13053)0.45 x
VCC
0.55 x
VCCV
DC BUS RECEIVER (VTXD = VCC, CANH and CANL externally driven)

Differential Input Voltage VDIFF
-12V ≤ VCM ≤ +12V0.50.70.9MAX13050/MAX13052/MAX13054-12V ≤ VCM ≤ +12V (standby mode) 0.501.15
Differential Input Hysteresis VDIFF(HYST)Normal mode, -12V ≤ VCM ≤ +12V70mV
Common-Mode Input ResistanceRICMNormal or standby mode,
VCANH = VCANL = ±12V1535kΩ
Matching Between CANH and
CANL Common-Mode Input
Resistance
RIC_MATCHVCANH = VCANL-3+3%
Differential Input ResistanceRDIFFNormal or standby mode,
VCANH - VCANL = 1V2575kΩ
Common-Mode Input Capacitance CIMVTXD = VCC20pF
Differential Input Capacitance VTXD = VCC10pF
Input Leakage CurrentILIVCC = 0, VCANH = VCANL = 5V-5+5µA
SLOPE CONTROL RS (MAX13052)

Input Voltage for High SpeedVIL_RS0.3 x
VCCV
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
DC Electrical Characteristics (continued)
(VCC = +5V ±5%, VCC2 = +3V to +3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V, VCC2 = +3.3V,
RL = 60Ω, and TA = +25°C.) (Note 1)
(VCC = +5V ±5%, VCC2 = +3V to +3.6V, RL = 60Ω, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
VCC = +5V, VCC2 = +3.3V, and TA = +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Input Voltage for StandbyVIH_RS0.75 x
VCCV
Slope-Control Mode VoltageVSLOPE -200µA < IRS < 10µA0.4 x
VCC
0.6 x
VCCV
High-Speed Mode CurrentIIL_RSVRS = 0-500µA
ESD ProtectionIEC 61000-4-2 Contact Discharge
Method per IBEE test facility (Note 3)±8kV
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Delay TXD to Bus Active tONTXDFigure 1 (Note 4)66110ns
Delay TXD to Bus Inactive tOFFTXDFigure 1
(Note 4)
MAX13050/MAX13052/
MAX130536195ns
MAX1305470110
Delay Bus to Receiver ActivetONRXDFigure 1 (Note 4)54115ns
Delay Bus to Receiver Inactive tOFFRXDFigure 1 (Note 4)46160ns
Delay TXD to RXD Active
(Dominant Loop Delay)tONLOOPFigure 1 (Note 4)121255ns
Delay TXD to RXD Inactive
(Recessive Loop Delay)tOFFLOOPFigure 4 (Note 4)108255ns
Delay TXD to RXD Active
(Dominant Loop Delay) Slew-
Rate Controlled
tONLOOP-SMAX13052
RRS = 24kΩ
(500kbps)280450ns
RRS = 100kΩ
(125kbps) 0.821.6
RRS = 180kΩ
(62.5kbps)1.375
Delay TXD to RXD Inactive
(Loop Delay) Slew-Rate
Controlled
tOFFLOOP-SMAX13052
RRS = 24kΩ
(500kbps)386600ns
RRS = 100kΩ
(125kbps) 0.741.6RRS = 180kΩ
(62.5kbps)0.975
Differential Output Slew RateISRIMAX13052
RRS = 24kΩ
(500kbps)10
V/µsRRS = 100kΩ
(125kbps)2.7
RRS = 180kΩ
(62.5kbps)1.6
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
DC Electrical Characteristics (continued)
Timing Characteristics
(VCC = +5V ±5%, VCC2 = +3V to +3.6V, RL = 60Ω, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
VCC = +5V, VCC2 = +3.3V, and TA = +25°C.)
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:
ESD tested by IBEE test facility. Please contact factory for report.
Note 4:
For the MAX13052, VRS = 0.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Dominant Time for Wake-Up
with BustWAKEStandby mode, VDIFF = +3V, Figure 20.751.53.00µs
Delay STBY to Normal Mode
(DOMINANT) tSTBY-NORMTXD = 0 (MAX13050, MAX13054)
FROM STBY falling to CANH - CANL = 0.9V 510µs
TXD Dominant TimeouttDOMVTXD = 00.30.61.0ms
0.9V
0.3 x VCC OR 0.3 x VCC2
0.7 x VCC OR 0.7 x VCC2
0.5V
tONTXD
tONRXD
tONLOOP
tOFFTXD
tOFFRXD
tOFFLOOP
RECESSIVE
DOMINANT
TXD
VDIFF
RXD
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Timing Characteristics (continued)
Timing Diagrams
(VCC = +5V, RL = 60Ω, CL = 100pF, VCC2 = +3.3V, and TA = +25°C, unless otherwise noted.)
Figure 2. Timing Diagram for Standby and Wake-Up Signal
SUPPLY CURRENT
vs. DATA RATE

MAX13050 toc02
DATA RATE (kbps)
SUPPLY CURRENT (mA)
TA = +25°CTA = -40°C
TA = +125°C
STANDBY SUPPLY CURRENT
vs. TEMPERATURE (RS = VCC)

MAX13050 toc03
TEMPERATURE (°C)
STANDBY SUPPLY CURRENT (µA)
MAX13052
SLEW RATE
vs. RRS AT 100kbps

MAX13050 toc01
RRS (kΩ)
SLEW RATE (V/µs)
RECESSIVE
DOMINANT
MAX13052
tWAKE
0.9V
VDIFF
RXD
STANDBY MODE
DOMINANT
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Typical Operating Characteristics
Timing Diagrams (continued)
(VCC = +5V, RL = 60Ω, CL = 100pF, VCC2 = +3.3V, and TA = +25°C, unless otherwise noted.)
REF VOLTAGE vs. REG OUTPUT CURRENT
MAX13050 toc07
REG OUTPUT CURRENT (µA)
REF VOLTAGE (V)
TA = -40°C
TA = +125°CTA = +25°C
SPLIT LEAKAGE CURRENT vs. TEMPERATURE

MAX13050 toc08
TEMPERATURE (°C)
LEAKAGE CURRENT (µA)
RECEIVER OUTPUT LOW
vs. OUTPUT CURRENT
MAX13050 toc09
OUTPUT CURRENT (mA)
VOLTAGE RXD (V)15105
TA = -40°C
TA = +125°C
TA = +25°C
MAX13050/MAX13052/MAX13053
RECEIVER OUTPUT HIGH
vs. OUTPUT CURRENT
MAX13050 toc10
RECEIVER OUTPUT HIGH (V
2 - RXD) (mV)
TA = -40°C
TA = +125°C
TA = +25°C
MAX13054
RECEIVER OUTPUT HIGH
vs. OUTPUT CURRENT

MAX13050 toc11
RECEIVER OUTPUT HIGH (V
- RXD) (V)645231
TA = -40°C
TA = +125°C
TA = +25°C
MAX13050/MAX13052/MAX13053
RECEIVER OUTPUT LOW
vs. OUTPUT CURRENT
MAX13050 toc12
VOLTAGE RXD (mV)
MAX13054
VCC2 = +3.3V
TA = -40°C
TA = +125°C
TA = +25°C
STANDBY SUPPLY CURRENT
vs. TEMPERATURE (STBY = VCC)

MAX13050 toc04
TEMPERATURE (°C)
STANDBY SUPPLY CURRENT (µA)
MAX13050
MAX13054
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE

MAX13050 toc04
TEMPERATURE (°C)
RECEIVER PROPAGATION DELAY (ns)
RECESSIVE
DATA RATE = 100kbps
DOMINANT
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX13050 toc06
TEMPERATURE (°C)
DRIVER PROPAGATION DELAY (ns)
DOMINANT
RECESSIVE
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Typical Operating Characteristics (continued)
(VCC = +5V, RL = 60Ω, CL = 100pF, VCC2 = +3.3V, and TA = +25°C, unless otherwise noted.)
DIFFERENTIAL VOLTAGE
vs. DIFFERENTIAL LOAD

MAX13050 toc13
DIFFERENTIAL LOAD RL (Ω)
DIFFERENTIAL VOLTAGE (V)
TA = +125°C
TA = -40°C
TA = +25°C
RECEIVER PROPAGATION DELAY

MAX13051 toc14
200ns
VDIFF
(1V/div)
RXD
(2V/div)
200ns/div
MAX13054 WAVEFORM

VDIFF
2V/div
TXD
2V/div
RXD
2V/div
MAX13050 toc15
DRIVER PROPAGATION DELAY,
(RRS = 24kΩ, 75kΩ AND 100kΩ)

MAX13051 toc16
1.00µs
TXD
(5V/div)
VDIFF
(2V/div)
RRS = 24kΩ
VDIFF
(2V/div)
RRS = 75kΩ
VDIFF
(2V/div)
RRS = 100kΩ
MAX13052
DRIVER PROPAGATION DELAY

MAX13051 toc17
200ns/div
TXD
(2V/div)
VDIFF
(1V/div)
LOOPBACK PROPAGATION DELAY
vs. RRS

MAX13051 toc18
RRS (kΩ)
LOOPBACK PROPAGATION DELAY (µs)
RECESSIVE
DOMINANT
MAX13052
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Typical Operating Characteristics (continued)
PIN
NAME
MAX13050MAX13052MAX13053MAX13054
FUNCTION
111TXDTransmit Data Input. TXD is a CMOS/TTL-compatible input from a CAN controller with a 25kΩ pullup to VCC. For the MAX13054, TXD is pulled to VCC2. 222GNDGround 333VCCSupply Voltage. Bypass VCC to GND with a 0.1µF capacitor.444RXD
Receive Data Output. RXD is a CMOS/TTL-compatible output from the physical
bus lines CANH and CANL. For the MAX13054, RXD output voltage is referenced
to the VCC2 supply voltage.5——SPLITCommon-Mode Stabilization Output. Output equaled to 0.5 x VCC. SPLIT goes
high impedance in standby mode .666CANLCAN Bus-Line Low777CANHCAN Bus-Line High——8STBYStandby Input. Drive STBY low for high-speed operation. Drive STBY high to
place the device in low-current standby mode.8——RS
Mode-Select Input. Drive RS low or connect to GND for high-speed operation.
Connect a resistor between RS and GND to control output slope. Drive RS high
to put into standby mode. —5—REFReference Output Voltage. Always on reference output voltage, set to 0.5 x VCC. —8—SSilent-Mode Input. Drive S low to enable TXD and to operate in high-speed mode.
Drive S high to disable the transmitter. ——5VCC2
Logic-Supply Input. VCC2 is the logic supply voltage for the input/output between
the CAN transceiver and microprocessor. VCC2 allows fully compatible +3.3V
logic on all digital lines. Bypass to GND with a 0.1µF capacitor. Connect VCC2 to
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
Pin Description

TOP VIEW
CANL
SPLITRXD
STBY
CANHGND
VCC
TXD
MAX13050SO

CANL
SPLITRXD
CANHGND
VCC
TXD
MAX13052

CANL
VCC2RXD
STBY
CANHGND
VCC
TXD
MAX13054

CANL
REFRXD
CANHGND
VCC
TXD
MAX13053
Pin Conigurations
Detailed Description
The MAX13050/MAX13052/MAX13053/MAX13054 ±80V
fault-protected CAN transceivers are ideal for industrial
network applications where overvoltage protection is
required. These devices provide a link between the CAN
protocol controller and the physical wires of the bus lines
in a control area network (CAN). These devices can be
used for DeviceNet applications, requiring data rates up
to 1Mbps.
The devices’ dominant timeout prevents the bus from
being blocked by a hungup microcontroller. If the TXD
input is held low for greater than 1ms, the transmitter
becomes disabled, driving the bus line to a recessive
state. The MAX13054 +3.3V logic input allows the device
to communicate with +3.3V logic, while operating from +5V supply. The MAX13050 and MAX13052 provide
a split DC-stabilized voltage. The MAX13053 has a
reference output that can be used to bias the input of a
CAN controller’s differential comparator.
All devices can operate up to 1Mbps (high-speed mode).
The MAX13052 slope-control feature allows the user to
program the slew rate of the transmitter for data rates
of up to 500kbps. This reduces the effects of EMI, thus
allowing the use of unshielded-twisted or parallel cable.
The MAX13050/MAX13052 and MAX13054 standby
mode shuts off the transmitter and switches the receiver
to a low-current/low-speed state.
The device input common-mode range is greater than
±12V, exceeding the ISO11898 specification of -2V to +7V,
and feature ±8kV Contact Discharge protection, making
these devices ideal for harsh industrial environments.±80V Fault Protected
The devices feature ±80V fault protection. This extended
voltage range of CANH, CANL, and SPLIT allows use
in high-voltage systems and communication with high-
voltage buses.Operating Modes
High-Speed Mode

The devices can achieve transmission rates of up to
1Mbps when operating in high-speed mode. Drive STBY
low to operate the MAX13050 and MAX13054 in high-
speed operation. Connect RS to ground to operate the
MAX13052 in high-speed mode.Slope-Control Mode (MAX13052)
Connect a resistor from RS to ground to select slope-
control mode (Table 1). In slope-control mode, CANH and CANL slew rates are controlled by the resistor (16kΩ ≤ RRS ≤ 200kΩ) connected between RS and GND.
EMI and allows the use of an unshielded-twisted pair or
a parallel pair of wires as bus lines. The slew rate can be
approximated using the formula below:
250SR(V/µs)R=
where, SR is the desired slew rate and RRS is in kΩ.
Standby Mode (MAX13050/MAX13052/MAX13054)

In standby mode (RS or STBY = high), the transmitter
is switched off and the receiver is switched to a low-
current/low-speed state. The supply current is reduced
during standby mode. The bus line is monitored by a low-
differential comparator to detect and recognize a wake-
up event on the bus line. Once the comparator detects
a dominant bus level greater than tWAKE, RXD pulls low.
Drive STBY high for standby mode operation for the
MAX13050 and MAX13054. Apply a logic-high to RS to
enter a low-current standby mode for the MAX13052.
Silent Mode S (MAX13053)

Drive S high to place the MAX13053 in silent mode.
When operating in silent mode, the transmitter is disabled
regardless of the voltage level at TXD. RXD however, still
monitors activity on the bus line.
Common-Mode Stabilization (SPLIT)

SPLIT provides a DC common-mode stabilization
voltage of 0.5 x VCC when operating in normal mode.
SPLIT stabilizes the recessive voltage to 0.5 x VCC for
conditions when the recessive bus voltage is lowered,
caused by an unsupplied transceiver in the network with
a significant leakage current from the bus lines to ground.
Use SPLIT to stabilize the recessive common-mode
voltage by connecting SPLIT to the center tap of the split
termination, see the Typical Operating Circuits. In standby
mode or when VCC = 0, SPLIT becomes high impedance.
Table 1. Mode Selection Truth Table
MAX13052
CONDITION FORCED
AT RSMODERESULTING
CURRENT AT RS

VRS or ≤ 0.3 x VCCHigh-Speed|IRS| ≤ 500µA
0.4 x VCC ≤ VRS ≤ 0.6
x VCCSlope Control10µA ≤ |IRS| ≤ 200µA
VRS ≥ 0.75 x VCCStandby |IRS| ≤ 10µA
MAX13050/MAX13052/
MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
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