General Description
The MAX3050/MAX3057 interface between the CAN
protocol controller and the physical wires of the bus
lines in a controller area network (CAN). They are pri-
marily intended for automotive systems requiring data
rates up to 2Mbps and feature ±80V fault protection
against short circuits in high-voltage power buses. They
provide differential transmit capability to the bus and
differential receive capability to the CAN controller.
The MAX3050/MAX3057 have four modes of operation:
high speed, slope control, standby, and shutdown.
High-speed mode allows data rates up to 2Mbps. In
slope-control mode, data rates are 40kbps to 500kbps,
so the effects of EMI are reduced, and unshielded
twisted or parallel cable can be used. In standby mode,
the transmitters are shut off and the receivers are put
into low-current mode. In shutdown mode, the transmit-
ter and receiver are switched off.
The MAX3050 has an AutoShutdown™ function that
puts the device into a 15µA shutdown mode when the
bus or CAN controller is inactive for 4ms or longer.
The MAX3050/MAX3057 are available in an 8-pin SO
package and are specified for operation from -40°C to
+125°C.
Applications
Automotive Systems
HVAC Controls
Telecom 72V systems
Features
♦±80V Fault Protection for 42V Systems
♦Four Operating Modes
High-Speed Operation Up to 2Mbps
Slope-Control Mode to Reduce EMI
(40kbps to 500kbps)
Standby Mode
Low-Current Shutdown Mode
♦AutoShutdown when Device Is Inactive
(MAX3050)
♦Automatic Wake-Up from Shutdown (MAX3050)
♦Thermal Shutdown
♦Current Limiting
♦Fully Compatible with the ISO 11898 Standard*
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
MAX3050
MAX3057
CAN
CONTROLLER
TXD
VCC
RXD
RS GND
CANH
CANL
VCC
(100nF)
120Ω
120Ω
TX0
RX0
GND
0.1µF
30pF
24kΩ TO 180kΩ
SHDN
( ) ARE FOR 3050 ONLY.
Typical Operating Circuit
19-2670; Rev 0; 10/02
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.
PART TEMP RANGE PIN-PACKAGE
MAX3050ASA -40°C to +125°C 8 SO
MAX3057ASA -40°C to +125°C 8 SO
CANL
RXD
1
2
8
7
RS
CANHGND
VCC
TXD
SO
TOP VIEW
3
4
6
5
MAX3050
MAX3057
SHDN
Pin Configuration
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
*Pending completion of testing.
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS
(VCC = +5V ±10%, RL= 60Ω, RS = GND, TA= TMIN to TMAX. Typical values are at VCC = +5V and TA= +25°C.)
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, SHDN to GND....................-0.3V to (VCC + 0.3V)
CANH, CANL to GND..............................................-80V to +80V
RXD Shorted to GND................................................. Continuous
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 to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Dominant (Note 1) 56 72
Dominant no load 6
Recessive (Note 1) 3.6 5.5
Supply Current IS
Recessive no load 5.5
mA
Quiescent Current Standby Mode IQVRS = VCC 125 260 µA
Shutdown Supply Current IQSHDN SHDN = GND 15 30 µA
Thermal-Shutdown Threshold 160 °C
Thermal-Shutdown Hysteresis 20 °C
TXD INPUT LEVELS
High-Level Input Voltage VIH 2V
Low-Level Input Voltage VIL 0.4 V
High-Level Input Current IIH VTXD = VCC 1µA
Pullup Resistor RINTXD 20 kΩ
CANH, CANL TRANSMITTER
Recessive Bus Voltage VCANH,
VCANL VTXD = VCC, no load 2 3 V
-2V < VCANH, VCANL < +7V
SHDN = GND, VTXD = VCC -2 +1
Off-State Output Leakage ILO -80V < VCANH, VCANL < +80V
SHDN = GND, VTXD = VCC -4 +4
mA
CANH Output Voltage VCANH VTXD = 0 3.0 VCC V
CANL Output Voltage VCANL VTXD = 0 0 2.0 V
VTXD = 0 1.5 5
VTXD = 0, RL = 45Ω1.5 V
Differential Output
(VCANH - VCANL)
∆VCANH,
VCANL VTXD = VCC, no load -500 +50 mV
CANH Short-Circuit Current ISC VCANH = -5V -200 mA
CANL Short-Circuit Current ISC VCANL = 18V 200 mA
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
_______________________________________________________________________________________ 3
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V ±10%, RL= 60Ω, RS = GND, TA= TMIN to TMAX. Typical values are at VCC = +5V and TA= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC BUS RECEIVER (VTXD = VCC; CANH and CANL externally driven; -2V < VCANH, VCANL < +7V, unless otherwise specified)
Differential Input Voltage
(Recessive) VDIFF -7V < VCANH, VCANL < +12V -1.0 +0.5 V
Differential Input Voltage
(Dominant) VDIFF -7V < VCANH, VCANL < +12V 0.9 3.3 V
Differential Input Hysteresis VDIFF
(
HYST
)
150 mV
CANH Input Wake-Up Voltage
Threshold
VCANH
(SHDN)
SHDN = GND, VTXD = VCC (MAX3050) 6 9 V
RXD High-Level Output Voltage VOH I = -100µA 0.8 ✕
VCC V
I = 10mA 0.8
RXD Low-Level Output Voltage VOL I = 5mA 0.4 V
CANH and CANL Input
Resistance RI525kΩ
Differential Input Resistance RDIFF 10 100 kΩ
MODE SELECTION (RS)
Input Voltage for High Speed VSLP 0.3 ✕
VCC V
Input Voltage for Standby VSTBY 0.75 ✕
VCC V
Slope-Control Mode Voltage VSLOPE RRS = 24kΩ to 180kΩ0.4 ✕
VCC
0.6 ✕
VCC V
Slope-Control Mode Current ISLOPE RRS = 24kΩ to 180kΩ-200 -10 µA
Standby Mode ISTBY -10 +10 µA
High-Speed Mode Current IHS VRS = 0 -500 µA
SHUTDOWN
SHDN Input Pullup Resistor RINSHDN MAX3057 500 900 kΩ
SHDN Input Voltage High 2V
SHDN Input Voltage Low 0.5 V
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
4 _______________________________________________________________________________________
Note 1: As defined by ISO, bus value is one of two complementary logical values: dominant or recessive. The dominant value repre-
sents 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 MAX3050 and MAX3057 values, see the truth table in the
Transmitter and Receiver sections.
TIMING CHARACTERISTICS
(VCC = +5V ±10%, RL= 60Ω, CL= 100pF, TA= TMIN to TMAX. Typical values are at VCC = +5V and TA= +25°C.) (Figures 1, 2, and 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
TIMING
VRS = 0 (2Mbps) 0.5
RRS = 24kΩ (500kbps) 2
RRS = 100kΩ (125kbps) 8
Minimum Bit Time tBIT
RRS = 180kΩ (62.5kbps) 25
µs
Delay TXD to Bus Active tONTXD VRS = 0 40 ns
Delay TXD to Bus Inactive tOFFTXD VRS = 0 75 ns
VRS = 0 (2Mbps) 120 ns
RRS = 24kΩ (500kbps) 0.4
RRS = 100kΩ (125kbps) 1.6
Delay TXD to Receiver Active tONRXD
RRS = 180kΩ (62.5kbps) 5.0
µs
VRS = 0 (2Mbps) 130 ns
RRS = 24kΩ (500kbps) 0.45
RRS = 100kΩ (125kbps) 1.6
Delay TXD to Receiver Inactive tOFFRXD
RRS = 180kΩ (62.5kbps) 5.0
µs
RRS = 24kΩ (500kbps) 14
RRS = 100kΩ (125kbps) 7Differential Output Slew Rate SR
RRS = 180kΩ (62.5kbps) 1.6
V/µs
Bus Dominant to RXD Low Standby mode 10 µs
Time to Wake Up: CANH > 9V tWAKE SHDN = GND, VTXD = VCC (MAX3050) 10 µs
Time to Sleep Mode when Bus Is
Recessive tSHDN CSHDN = 100nF (MAX3050) 10 47 ms
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
_______________________________________________________________________________________ 5
MAX3050
MAX3057
CAN
CONTROLLER
TXD
VCC
RXD
RS GND
CANH
CANL
VCC
(100nF)
120Ω
120Ω
TX0
RX0
GND
0.1µF
30pF
24kΩ TO 180kΩ
SHDN
100pF
( ) ARE FOR MAX3050 ONLY.
Figure 1. AC Test Circuit
CANH - CANL
RXD
TXD
CANL
CANH
0.9V
VCC/2
VCC/2
tONRXD
tONTXD
tOFFRXD
tOFFTXD
0.5V RECESSIVE
DOMINANT
Figure 2. Timing Diagram for Dynamic Characteristics
9V
CANH
tWAKE
VSHDN
VSHDN = 2V
Figure 3. Time to Wake Up (tWAKE) (MAX3050)
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
6 _______________________________________________________________________________________
Typical Operating Characteristics
(VCC = 5V, RL= 60Ω, CL= 100pF, TA= +25°C, unless otherwise specified.)
MAX3057
SLEW RATE vs. RRS
MAX3050 toc01
RRS (kΩ)
SLEW RATE (V/µs)
1621248648
5
10
15
20
25
0
10 200
TA = -40°C
TA = +25°C
TA = -+125°C
MAX3050 toc02
SLEEP TIME (ms)
300200100
20
40
60
80
100
0
0 400
MAX3050
AutoShutdown vs. CSHDN
CSHDN (nF)
SUPPLY CURRENT vs. DATA RATE
MAX3050 toc03
DATA RATE (kbps)
SUPPLY CURRENT (mA)
16001200800400
27
29
31
33
35
25
0 2000
TA = +125°CTA = +25°C
TA = -40°C
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE, RRS = GND
MAX3050 toc04
TEMPERATURE (°C)
RECEIVER PROPAGATION DELAY (ns)
905520-15
25
35
45
55
65
15
-50 125
RECESSIVE
DOMINANT
DRIVER PROPAGATION DELAY
vs. TEMPERATURE, RRS = GND
MAX3050 toc05
TEMPERATURE (°C)
DRIVER PROPAGATION DELAY (ns)
925926-7
20
25
30
35
15
-40 125
RECESSIVE
DOMINANT
RECEIVER OUTPUT LOW
vs. OUTPUT CURRENT
MAX3050 toc06
OUTPUT CURRENT (mA)
VOLTAGE RXD (mV)
2015105
400
800
1200
1600
0
025
TA = +125°C
TA = +25°C
TA = -40°C
RECEIVER OUTPUT HIGH
vs. OUTPUT CURRENT
MAX3050 toc07
OUTPUT CURRENT (mA)
VOLTAGE (VCC - RXD) (mV)
2015105
600
1200
1800
3000
2400
0
025
TA = +125°C
TA = +25°C
TA = -40°C
DIFFERENTIAL VOLTAGE
vs. DIFFERENTIAL LOAD RL
MAX3050 toc08
DIFFERENTIAL LOAD RL (Ω)
DIFFERENTIAL VOLTAGE (V)
25020015010050
1
2
3
4
0
0 300
TA = +125°C
TA = +25°C
TA = -40°C
SUPPLY CURRENT
vs. TEMPERATURE IN STANDBY MODE
MAX3050 toc09
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
905520-15
75
100
125
150
175
200
50
-50 125
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
_______________________________________________________________________________________ 7
LOOPBACK PROPAGATION DELAY vs. RRS
MAX3050 toc10
RRS (kΩ)
LOOPBACK PROPAGATION DELAY (ns)
15010050
200
400
600
800
1000
1200
1400
0
0 200
RECEIVER PROPAGATION DELAY
MAX3050 toc11
40ns/div
RXD
2V/div
CANH - CANL
DRIVER PROPAGATION DELAY
MAX3050 toc13
1µs/div
TXD
5V/div
RRS = 24kΩ
RRS = 100kΩ
RRS = 180kΩ
DRIVER PROPAGATION DELAY
MAX3050 toc12
40ns/div
TXD
2V/div
CANH - CANL
RRS = GND
Typical Operating Characteristics (continued)
(VCC = 5V, RL= 60Ω, CL= 100pF, TA= +25°C, unless otherwise specified.)
Pin Description
PIN NAME FUNCTION
1 TXD Transmit Data Input. TXD is a CMOS/TTL-compatible input from a CAN controller.
2 GND Ground
3V
CC Supply Voltage. Bypass VCC to GND with a 0.1µF capacitor.
4 RXD Receive Data Output. RXD is a CMOS/TTL-compatible output from the physical bus lines CANH and CANL.
5SHDN
Shutdown Input. Drive SHDN low to put into shutdown mode (MAX3057). Place a capacitor from SHDN to
ground to utilize the AutoShutdown feature of MAX3050. See the Shutdown and AutoShutdown sections for a
full explanation of SHDN behavior.
6 CANL CAN Bus Line Low. CANL is fault protected to ±80V.
7 CANH CAN Bus Line High. CANH is fault protected to ±80V.
8RS
Mode Select Pin. Drive RS low or connect to GND for high-speed operation. Connect a resistor from RS to
GND to control output slope. Drive RS high to put into standby mode. See the Mode Selection section.
MAX3050/MAX3057
Detailed Description
The MAX3050/MAX3057 interface between the protocol
controller and the physical wires of the bus lines in a
CAN. They are primarily intended for automotive appli-
cations requiring data rates up to 2Mbps and feature
±80V fault protection against shorts in high-voltage sys-
tems. This fault protection allows the devices to with-
stand up to ±80V with respect to ground with no
damage to the device. The built-in fault tolerance
allows the device to survive in industrial and automotive
environments with no external protection devices. The
devices provide differential transmit capability to the
bus and differential receive capability to the CAN con-
troller (Figure 4).
The device has four modes of operation: high speed,
slope control, standby, and shutdown. In high-speed
mode, slew rates are not limited, making 2Mbps transmis-
sion speeds possible. Slew rates are controlled in slope-
control mode, minimizing EMI and allowing use of
unshielded twisted or parallel cable. In standby mode,
receivers are active and transmitters are in high imped-
ance. In shutdown mode, transmitters and receivers are
turned off.
The transceivers are designed to operate from a single
+5V supply and draw 56mA of supply current in domi-
nant state and 3.6mA in recessive state. In standby
mode, supply current is reduced to 125µA. In shutdown
mode, supply current is 15µA.
CANH and CANL are output short-circuit current limited
and are protected against excessive power dissipation
by thermal-shutdown circuitry that places the driver
outputs into a high-impedance state.
Fault Protection
The MAX3050/MAX3057 feature ±80V fault protection.
This extended voltage range of CANH and CANL bus
lines allows use in high-voltage systems and communi-
cation with high-voltage buses. If data is transmitting at
2Mbps, the fault protection is reduced to ±70V.
Transmitter
The transmitter converts a single-ended input (TXD)
from the CAN controller to differential outputs for the
bus lines (CANH, CANL). The truth table for the trans-
mitter and receiver is given in Table 1.
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
8 _______________________________________________________________________________________
0.75V
THERMAL
SHUTDOWN
TRANSMITTER
CONTROL
MODE
SELECTION
AutoShutdown
RECEIVER
7.5V
VCC
RS
RXD
GND
CANL
CANH
TXD
MAX3050
SHDN
WAKE
Figure 4. Functional Diagram
High Speed
Connect RS to ground to set the MAX3050/MAX3057 to
high-speed mode. When operating in high-speed
mode, the MAX3050/MAX3057 can achieve transmis-
sion rates of up to 2Mbps. Line drivers are switched on
and off as quickly as possible. However, in this mode,
no measures are taken to limit the rise and fall slope of
the data signal, allowing for potential EMI emissions. If
using the MAX3050/MAX3057 in high-speed mode, use
shielded twisted-pair cable to avoid EMI problems.
Slope Control
Connect a resistor from RS to ground to select slope-
control mode (Table 2). In slope-control mode, the
gates of the line drivers are charged with a controlled
current, proportional to the resistor connected to the RS
pin. Transmission speed ranges from 40kbps to
500kbps. Controlling the rise and fall slope reduces
EMI and allows the use of an unshielded twisted pair or
a parallel pair of wires as bus lines. The transfer func-
tion for selecting the resistor value is given by:
RRS (kΩ) = 12000/speed (in kbps)
See the Slew Rate vs. RRS graph in the Typical
Operating Characteristics section.
Receiver
The receiver reads differential input 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 ∆V = (CANH -
CANL) with respect to an internal threshold of 0.7V. If
this difference is positive (i.e., ∆V > 0.7V), a logic low is
present at the RXD pin. If negative (i.e., ∆V < 0.7V), a
logic high is present.
The receiver always echoes the transmitted data.
The CANH and CANL common-mode range is -7V to
+12V. RXD is logic high when CANH and CANL are
shorted or terminated and undriven. If the differential
receiver input voltage (CANH - CANL) is less than or
equal to 0.5V, RXD is logic high. If (CANH - CANL) is
greater than or equal to 0.9V, RXD is logic low.
Standby
If a logic high level is applied to RS, the MAX3050/
MAX3057 enter a low-current standby mode. In this
mode, the transmitter is switched off and the receiver is
switched to a low-current state. If dominant bits are
detected, RXD switches to a low level. The microcon-
troller should react to this condition by switching the
transceiver back to normal operation (through RS). Due
to the reduced power mode, the receiver is slower in
standby mode, and the first message may be lost at
higher bit rates.
Thermal Shutdown
If the junction temperature exceeds +160°C, the device
is switched off. The hysteresis is approximately 20°C,
disabling thermal shutdown once the temperature
reaches +140°C.
Shutdown (MAX3057)
Drive SHDN low to enter shutdown mode. In shutdown
mode, the device is switched off. The outputs are high
impedance to ±80V. The MAX3057 features a pullup at
SHDN. If shutdown is forced low and then left floating,
the device switches back to normal operating mode.
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
_______________________________________________________________________________________ 9
TXD RS SHDN CANH CANL BUS STATE RXD
0V
RS < 0.75 ✕ VCC V
S HDN > 1.5V High Low Dominant* 0
1 or float VRS < 0.75 ✕ VCC V
S HDN > 1.5V 5kΩ to 25kΩ to VCC/2 5kΩ to 25kΩ to VCC/2 Recessive* 1
XV
RS > 0.75 ✕ VCC X Floating Floating Floating 1
XXV
S H D N < 0.5V Floating Floating Floating 1
Table 1. Transmitter and Receiver Truth Table
X = Don’t care.
*As defined by ISO, bus value is one of two complementary logical values: dominant or recessive. The dominant value represents the
logical 0 and the recessive represents the logical 1. During the simultaneous transmission of the dominant and recessive bits, the result-
ing bus value is dominant.
CONDITION FORCED AT PIN RS MODE RESULTING CURRENT AT RS
VRS < 0.3 ✕ VCC High speed |IRs| < 500µA
0.4 ✕ VCC< VRS < 0.6 ✕ VCC Slope control 10µA < |IRs| < 200µA
VRS > 0.75 ✕ VCC Standby |IRs| < 10µA
Table 2. Mode Selection Truth Table
MAX3050/MAX3057
AutoShutdown (MAX3050)
To manage power consumption, AutoShutdown puts
the device into shutdown mode after the device has
been inactive for a period of time. The value of an
external capacitor (CSHDN) connected to SHDN deter-
mines the threshold of inactivity time, after which the
AutoShutdown triggers. Floating SHDN allows the
MAX3050 to automatically change from active mode to
shutdown.
Use a 100nF capacitor as CSHDN for a typical thresh-
old of 20ms. Change the capacitor value according to
the following equation to change the threshold time
period.
VSHDN is the threshold of SHDN guaranteed to be less
than 2V in the Electrical Characteristics table. Drive
SHDN high to turn the MAX3050 on and disable
AutoShutdown.
When the MAX3050 is in shutdown mode, only the
wake-up comparator is active, and normal bus commu-
nication is ignored. The remote master of the CAN sys-
tem wakes up the MAX3050 with a signal greater than
9V on CANH. Internal circuitry in the MAX3050 puts the
device in normal operation by driving SHDN high.
The MAX3057 does not have the AutoShutdown feature.
Driver Output Protection
The MAX3050/MAX3057 have several features that pro-
tect them from damage. Thermal shutdown switches off
the device and puts CANH and CANL into high imped-
ance if the junction temperature exceeds +160°C.
Thermal protection is needed particularly when a bus
line is short circuited. The hysteresis for the thermal
shutdown is approximately 20°C.
Additionally, a current-limiting circuit protects the trans-
mitter output stage against short-circuits to positive and
negative battery voltage. Although the power dissipa-
tion increases during this fault condition, this feature
prevents destruction of the transmitter output stage.
CnF time s
VV
CC
SHDN() .()
=×µ
−
()
002
SHDN
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
10 ______________________________________________________________________________________
FFT
500mV/div
CANH - CANL
1V/div
Figure 5. FFT Dominant Bus at 2Mbps
FFT
200mV/div
CANH - CANL
1V/div
Figure 6. FFT Recessive Bus at 2Mbps
FFT
500mV/div
CANH - CANL
1V/div
Figure 7. FFT Dominant Bus at 500kbps
Applications Information
Reduced EMI and Reflections
In slope-control mode, the CANH and CANL outputs
are slew-rate limited, minimizing EMI and reducing
reflections caused by improperly terminated cables. In
general, a transmitter’s rise time relates directly to the
length of an unterminated stub, which can be driven
with only minor waveform reflections. The following
equation expresses this relationship conservatively:
Length = tRISE / (15ns/ft)
where tRISE is the transmitter’s rise time.
The MAX3050 and MAX3057 require no special layout
considerations beyond common practices. Bypass VCC
to GND with a 0.1µF ceramic capacitor mounted close
to the IC with short lead lengths and wide trace widths.
Chip Information
TRANSISTOR COUNT: 1214
PROCESS: BiCMOS
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
______________________________________________________________________________________ 11
FFT
200mV/div
CANH - CANL
1V/div
Figure 8. FFT Recessive Bus at 500kbps
FFT
500mV/div
CANH - CANL
1V/div
Figure 9. FFT Dominant Bus at 62.5kbps
FFT
200mV/div
CANH - CANL
1V/div
Figure 10. FFT Recessive Bus at 62.5kbps
MAX3050/MAX3057
±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
SOICN .EPS
PACKAGE OUTLINE, .150" SOIC
1
1
21-0041 B
REV.DOCUMENT CONTROL NO.APPROVAL
PROPRIETARY INFORMATION
TITLE:
TOP VIEW
FRONT VIEW
MAX
0.010
0.069
0.019
0.157
0.010
INCHES
0.150
0.007
E
C
DIM
0.014
0.004
B
A1
MIN
0.053A
0.19
3.80 4.00
0.25
MILLIMETERS
0.10
0.35
1.35
MIN
0.49
0.25
MAX
1.75
0.050
0.016L0.40 1.27
0.3940.386D
D
MINDIM
D
INCHES
MAX
9.80 10.00
MILLIMETERS
MIN MAX
16 AC
0.337 0.344 AB8.758.55 14
0.189 0.197 AA5.004.80 8
N MS012
N
SIDE VIEW
H 0.2440.228 5.80 6.20
e 0.050 BSC 1.27 BSC
C
HE
eBA1
A
D
0-8
L
1
VARIATIONS:
