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MAX381CPE ,Precision, Low-Voltage Analog SwitchesMAX381/MAX383/MAX38519-0300; Rev 0; 9/94Precision, Low-Voltage Analog Switches_______________
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MAX381EPE ,Precision, Low-Voltage Analog SwitchesGeneral Description ________
MAX13020ASA+T
±60V Fault-Protected LIN Transceivers
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers
General DescriptionThe MAX13020/MAX13021 ±60V fault-protected low-
power local interconnect network (LIN) transceivers are
ideal for use in automotive network applications where
high reliability is required. The devices provide the
interface between the LIN master/slave protocol con-
troller, and the physical bus described in the LIN 2.0
specification package and SAE J2602 specification.
The devices are intended for in-vehicle subnetworks
with a single master and multiple slaves.
The extended fault-protected voltage range of ±60V on
the LIN bus line allows for use in +12V, +24V, and
+42V automotive applications. The devices allow com-
munication up to 20kbaud, and include slew-rate limit-
ed transmitters for enhanced electromagnetic
emissions (EME) performance. The devices feature a
low-power 4µA sleep mode and provide wake-up
source detection.
The MAX13020 is a pin-to-pin replacement and is func-
tionally compatible with the Philips TJA1020. The
MAX13021 includes enhanced bus dominant clamping
fault management for reduced quiescent current during
LIN bus shorts to GND. The MAX13020/MAX13021 are
available in the 8-pin SO package, and operate over
the -40°C to +125°C automotive temperature range.
Applications+12V/+42V Automotive
+24V Heavy Truck and Bus
FeaturesMAX13020 is a Pin-to-Pin Upgrade for TJA1020ESD Protection±12kV Human Body Model (LIN)
±4kV Contact Discharge (LIN, NWAKE, BAT)LIN 2.0/SAE J2602 CompatibleSlew-Rate Limited Transmitter for LowElectromagnetic Emissions (EME)Robust Electromagnetic Immunity (EMI)Passive Behavior in Unpowered State TXD Dominant Timeout FunctionLIN Bus Dominant Management (MAX13021 Only)Input Levels Compatible with +3.3V and +5V
ControllersIntegrated 30kΩTermination Resistor for SlaveApplicationsLow 4µA Sleep Mode with Local and RemoteWake-Up Detection Wake-Up Source RecognitionThermal Shutdown
Ordering Information
PARTL IN B U S D O M IN A N T A N A G EM EN T PIN-PACKAGE
MAX13020ASA+—8 SO
MAX13021ASA+Yes8 SO
MAX13021ASA/V+Yes8 SO
BAT
TXD
RXD
NSLPLINGND
INHNWAKE
MICROCONTROLLER
LIN
BUS
1kΩ
VBAT
MASTER NODE
ONLY
+5V LDO
MAX5023
MAX13020
MAX13021
*OPTIONAL TXD PULLUP RESISTOR FOR READING WAKE-UP SOURCE FLAG
Typical Operating Circuit
Note:All devices are specified over the -40°C to +125°C auto-
motive temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers
ABSOLUTE MAXIMUM RATINGSStresses 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.
(All voltages referenced to GND, unless otherwise noted.
Positive currents flow into the device.)
BAT.........................................................................-0.3V to +40V
TXD, RXD, NSLP.......................................................-0.3V to +7V
LIN...........................................................0V to ±60V Continuous
LIN to BAT..........................................................-80V Continuous
NWAKE...................................................................-0.3V to +80V
NWAKE Current (NWAKE < -0.3V)....................................-15mA
INH..............................................................-0.3V to VBAT+ 0.3V
INH Current.......................................................-50mA to +15mA
Continuous Power Dissipation
8-Pin SO (derate 5.9mW/°C above +70°C)...................471mW
Operating Temperature Range.........................-40°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) ................................+300°C
Soldering Temperature (reflow) ......................................+260°C
ELECTRICAL CHARACTERISTICS(VBAT= +5V to +38V, TA= -40°C to +125°C, unless otherwise noted. Typical values are at VBAT= +12V and TA= +25°C. Positive
currents flow into the device.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSBAT Supply VoltageVBATOperating range5.038.0V
VBAT = +27V,
VLIN = VBAT148Sleep mode,
VNWAKE = VBAT,
VTXD = VNSLP = VGNDVBAT = +38V,
VLIN = VBAT8
Standby mode, bus recessive,
VBAT = +5V to +27V,
VLIN = VINH = VNWAKE = VBAT,
VTXD = VNSLP = VGND
Standby mode, bus dominant,
VBAT = +12V, VINH = VNWAKE = VBAT,
VLIN = VTXD = VNSLP = VGND
Normal/low slope mode,
bus recessive, VBAT = +5V to +27V,
VLIN = VINH = VNWAKE = VBAT,
VTXD = VNSLP = +5V
Normal/low slope mode,
bus dominant, no load,
VBAT = VINH = VNWAKE = +12V,
VTXD = VGND, VNSLP = +5V4.58mA
Sleep mode, bus dominant,
VBAT = VNWAKE = +12V,
VLIN = VTXD = VNSLP = VGND
Fault mode, bus dominant (MAX13021),
VINH = VNWAKE = VBAT,
VLIN = VGND, VNSLP = +5V60
BAT Supply CurrentIBAT
Disable mode, bus dominant (MAX13021),BA T = V IN H = V N WAK E = + 12V , V LI N = VGND2030
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers
ELECTRICAL CHARACTERISTICS (continued)(VBAT= +5V to +38V, TA= -40°C to +125°C, unless otherwise noted. Typical values are at VBAT= +12V and TA= +25°C. Positive
currents flow into the device.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
TRANSMITTER DATA INPUT (TXD)High-Level Input VoltageVIHOutput recessive2V
Low-Level Input VoltageVILOutput dominant0.8V
Pulldown ResistanceRTXD125330800kΩ
Low-Level Input CurrentIILVTXD = VGND-50+5µA
Low-Level Output CurrentIOL
Standby mode, VNWAKE = VGND,
VLIN = VBAT, VTXD = +0.4V,
local wake-up request
1.56mA
RECEIVER DATA OUTPUT (RXD)Low-Level Output CurrentIOLVLIN = VGND, VRXD = +0.4V1.24.1mA
High-Level Leakage CurrentILHNormal/low slope mode,
VLIN = VBAT, VRXD = +5V-50+5µA
NSLP INPUTHigh-Level Input VoltageVIH2V
Low-Level Input VoltageVIL0.8V
Pulldown ResistanceRNSLPVNSLP = +5V125330800kΩ
Low-Level Input CurrentIILVNSLP = VGND-50+5µA
NWAKE INPUTHigh-Level Input VoltageVIHVBAT - 1.0V
Low-Level Input VoltageVILVBAT - 3.3V
NWAKE Pullup CurrentIILVNWAKE = VGND-30-10-3µA
High-Level Leakage CurrentILHVNWAKE = +38V, VBAT = +38V-50+5µA
INH OUTPUTSwitch On-Resistance Between
BAT and INHRSWS tand b y, nor m al /l ow sl op e m od es, IIN H = 15m A, V BAT = + 12V 2250Ω
High-Level Leakage CurrentILHSleep mode,
VNWAKE = +38V, VBAT = +38V-50+5µA
LIN BUS I/OLIN Recessive Output VoltageVO(RECES)VTXD = +5V, ILIN = -1µAVBAT -1.0VV
LIN Dominant Output VoltageVO(DOM)
Normal/low slope mode,
VTXD = VGND, VBAT = +7V to +27V,
RTERM = 500Ω to BAT
0.2 x VBATV
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers
ELECTRICAL CHARACTERISTICS (continued)(VBAT= +5V to +38V, TA= -40°C to +125°C, unless otherwise noted. Typical values are at VBAT= +12V and TA= +25°C. Positive
currents flow into the device.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSHigh-Level Leakage CurrentILHVLIN = VBAT, VTXD = +5V-50+5µA
Device Leakage Current, VBAT
DisconnectedIL(BAT)VBAT = VGND, VLIN = +18V-50+5µA
Device Leakage Current, GND
DisconnectedIL(GND)VBAT = VGND, VLIN = -18V-1000µA
LIN Current After Short DetectionIIL(FAULT)Fault mode, disable mode (MAX13021)
VLIN = VGND-10-2µA
Short-Circuit Recovery Threshold
VoltageVth(RECOVERY)Fault mode, disable mode (MAX13021)VBAT -
VBAT -
0.9V
LIN Pullup CurrentIILSleep mode, VLIN = VGND, VNSLP = VGND-10-2µA
Slave Termination Resistance to
VBATRSLAVES tand b y, nor m al /l ow sl op e m od es, V LIN =
VGND, V BAT = + 12V 203047kΩ
VLIN = VBAT = +12V,
VTXD = VGND, t < tDOM274060
VLIN = +12V, VBAT = +27V,
VTXD = VGND, t < tDOM (Note 1)4570100Short-Circuit Output CurrentIO(SC)
VBAT = +12V, VLIN = +60V, VTXD = VGND,
t < tDOM45
Receiver Dominant StateVth(DOM)VBAT = +7V to +38V0.4 x VBATV
Receiver Recessive StateVth(REC)VBAT = +7V to +38V0.6 x VBATV
Receiver-Threshold Center
VoltageVth(CENTER)VBAT = +7V to +38V0.475 x
VBAT
0.5 x
VBAT
0.525 x
VBATV
Receiver-Threshold Hysteresis
VoltageVth(HYS)VBAT = +7V to +38V0.145 x
VBAT
0.16 x
VBAT
0.175 x
VBATV
Thermal-Shutdown ThresholdTSHDN+165°C
Thermal-Shutdown Hysteresis10°C
ESD PROTECTIONHuman Body ModelLIN±12kV
Contact Discharge
IEC61000-4-2
LIN, NWAKE, BAT
(tested to IBEE test setup)
C1 = 100nF on VBAT,
C2 = 220pF on LIN,
R = 33kΩ on NWAKEkV
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers
TIMING CHARACTERISTICS(VBAT= +5V to +38V, TA= -40°C to +125°C, unless otherwise noted. Typical values are at VBAT= +12V and TA= +25°C. Positive
currents flow into the device.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSLIN Duty Factor 1
D1 = tBUS(REC)(MAX)/(2 x tBIT)D1
VBAT = +7V to +18V, Vth(REC)(MAX) =
0.744 x VBAT,
Vth(DOM)(MAX) = 0.581 x VBAT,
tBIT = 50µs (Figure 4, Note 2)
0.396—
LIN Duty Factor 2
D2 = tBUS(REC)(MAX)/(2 x tBIT)D2
VBAT = +8V to +18V,
Vth(REC)(MIN) = 0.422 x VBAT,
Vth(DOM)(MIN) = 0.284 x VBAT,
tBIT = 50µs (Figure 4, Note 2)
0.581—
LIN Duty Factor 3
D3 = tBUS(REC)(MAX)/(2 x tBIT)D3
VBAT = +7V to +18V,
Vth(REC)(MAX) = 0.778 x VBAT,
Vth(DOM)(MAX) = 0.616 x VBAT,
tBIT = 96µs (Figure 4, Note 2)
0.417—
LIN Duty Factor 4
D4 = tBUS(REC)(MAX)/(2 x tBIT)D4
Vth(REC)(MIN) = 0.389 x VBAT,
Vth(DOM)(MIN) = 0.251 x VBAT,
VBAT = +8V to +18V,
tBIT = 96µs (Figure 4, Note 2)
0.590—
Propagation Delay of Receiving
Nodetp(RX)VBAT = +7V to +18V,
CRXD = 20pF (Figure 4)6µs
Receiver Propagation Delay
Symmetrytp(RX)(SYM)
Rising edge with respect to falling edge,
VBAT = +7V to +18V,
CRXD = 20pF, RRXD = 1kΩ+2µs
Continuously Dominant-Clamped
LIN Bus Detection TimetLIN(DOM)(DET)Normal/low slope mode (MAX13021),
VLIN = VGND4080160ms
Continuously Dominant-Clamped
LIN Bus Recovery TimetLIN(DOM)(REC)Normal/low slope mode (MAX13021),
VLIN = VGND0.512ms
Dominant Time for Wake-Up of
the LIN TransceivertBUSSleep mode (Figure 3)3070150µs
TXD Permanent Dominant
Disable TimetTXD(DOM)(DIS)Normal/low slope mode,
VTXD = VGND2080ms
Dominant Time for Wake-Up
Through NWAKEtNWAKESleep mode72050µs
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers
TIMING CHARACTERISTICS (continued)(VBAT= +5V to +38V, TA= -40°C to +125°C, unless otherwise noted. Typical values are at VBAT= +12V and TA= +25°C. Positive
currents flow into the device.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSMode Change Time from
Sleep/Standby Mode to
Normal/Low Slope Mode
tGOTONORM(Note 3)2510µs
Mode Change Time from
Normal/Low Slope Mode to Sleep
Mode
tGOTOSLEEP(Note 4)2510µs
Note 1:Guaranteed by design for VBAT= VLIN= +27V.
Note 2:Selected bit time, tBIT= 50µs or 96µs (20kbaud or 10.4kbaud). Bus load conditions (CBUS/ RBUS): 1nF/1kΩ, 6.8nF/660Ω,
10nF/500Ω.
Note 3:tGOTONORMis measured from rising edge of NSLPto RXD active.
Note 4:tGOTOSLEEPis measured from falling edge of NSLPto RXD high impedance.
SUPPLY CURRENT
vs. TEMPERATURE
MAX13020 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
SLEEP MODE
VLIN = VBAT
VBAT = +38V
VBAT = +12V
OPERATING CURRENT
vs. SUPPLY VOLTAGEMAX13020 toc02
SUPPLY VOLTAGE (V)
OPERATING CURRENT (mA)
LOW SLOPE MODE
10.4kbps
NORMAL SLOPE MODE
20kbps
RL = 500Ω
CL = 10nF
RL = 1000Ω
CL = 1nF1345
SINK CURRENT vs. RXD OUTPUT
LOW VOLTAGEMAX13020 toc03
RXD OUTPUT LOW VOLTAGE (V)
SINK CURRENT (mA)
TA = +125°C
TA = +25°C
TA = -40°C
Typical Operating Characteristics(VBAT= +12V and TA= +25°C, unless otherwise noted.)
1345
SINK CURRENT vs. TXD PULLDOWN
OUTPUT VOLTAGEMAX13020 toc04
OUTPUT LOW VOLTAGE (V)
SINK CURRENT (mA)
TA = +125°C
TA = +25°C
TA = -40°C
STANDBY MODE
AFTER A LOCAL
INH ON-RESISTANCE
vs. TEMPERATURE
MAX13020 toc05
TEMPERATURE (°C)
INH ON-RESISTANCE (
ISINK = 15mA
VBAT = +38V
VBAT = +12V
IBAT FAULT CURRENT
vs. TEMPERATURE
MAX13020 toc06
TEMPERATURE (°C)
IBAT
FAULT CURRENT (MAX13020
VBAT = +12V
SLEEP MODE
VLIN = 0V
10μs/div
2.5MHz/div
LIN OUTPUT SPECTRUMLIN
5V/div
FFT
20dB/div
MAX13020 toc07
RL = 660Ω
CL = 6.8nF
NORMAL SCOPE MODE
20kbps
20μs/div
2.5MHz/div
LIN OUTPUT SPECTRUMLIN
5V/div
FFT
20dB/div
MAX13020 toc08
RL = 660Ω
CL = 6.8nF
LOW SCOPE MODE
10.4kbps
MAX13020/MAX13021
±60V Fault-Protected LIN Transceivers20μs/div
LIN TRANSMITTING NORMAL
SLOPE MODE5V/div
5V/div
MAX13020 toc09
RL = 1kΩ
CL = 1nF
NORMAL SCOPE MODE
20kbps
LIN
5V/div
Typical Operating Characteristics (continued)(VBAT= +12V and TA= +25°C, unless otherwise noted.)
MAX13020/MAX13021
±60V Fault-Protected LIN Transceiversypical Operating Characteristics (continued)(VBAT= +12V and TA= +25°C, unless otherwise noted.)
10μs/div
LIN TRANSMITTING NORMAL
SLOPE MODE5V/div
5V/div
MAX13020 toc10
RL = 660kΩ
CL = 6.8nF
NORMAL SCOPE MODE
20kbps
LIN
5V/div
10μs/div
5V/div
5V/div
MAX13020 toc11
RL = 500kΩ
CL = 10nF
NORMAL SCOPE MODE
20kbps
LIN
5V/div
LIN TRANSMITTING NORMAL
SLOPE MODE20μs/div
5V/div
5V/div
MAX13020 toc12
RL = 1kΩ
CL = 1nF
LOW SCOPE MODE
10.4kbps
LIN
5V/div
LIN TRANSMITTING LOW
SLOPE MODE20μs/div
5V/div
5V/div
MAX13020 toc13
RL = 660kΩ
CL = 6.8nF
LOW SCOPE MODE
10.4kbps
LIN
5V/div
LIN TRANSMITTING LOW
SLOPE MODE20μs/div
5V/div
5V/div
MAX13020 toc14
RL = 500kΩ
CL = 10nF
LOW SCOPE MODE
10.4kbps
LIN
5V/div
LIN TRANSMITTING LOW
SLOPE MODE
