Operating Temperature Range ........................... -40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature Range (soldering, 10s)...................... +300°C
Soldering Temperature (reflow) .......................................+260°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.
Electrical Characteristics
(V
CC
= +3.3V ±5%, R
L
= 60Ω, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +3.3V and
T
A
= +25°C.) (Note 1)
PARAMETER
Supply Current
Shutdown Current
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
TXD INPUT LEVELS
High-Level Input Voltage
Low-Level Input Voltage
Input Capacitance
Pullup Resistor
CANH, CANL TRANSMITTER
Recessive Bus Voltage
Off-State Output Leakage
Input Leakage Current
CANH Output Voltage
CANL Output Voltage
V
CANH
V
CANL
V
CANH
,
V
CANL
V
TXD
= V
CC
, no load
V
TXD
= V
CC
, no load, V
RS
= V
CC
(standby mode)
-2V < V
CANH
, V
CANL
< +7V, SHDN = HIGH
V
CC
= 0V, V
CANH
= V
CANL
= 5V
V
TXD
= 0V
V
TXD
= 0V
V
TXD
= 0V
Differential Output
(V
CANH
-
V
CANL
)
V
TXD
= 0V, R
L
= 45Ω
V
TXD
= V
CC
, no load
V
TXD
= V
CC
, R
L
= 60Ω
1.5
1.2
-500
-120
2
-100
-250
-250
2.45
1.25
3.0
3.0
+50
+12
2.3
3
+100
+250
+250
V
mV
µA
µA
V
V
V
mV
V
IH
V
IL
C
IN
R
INTXD
50
5
100
2
V
CC
+ 0.3V
0.8
V
V
pF
kΩ
SYMBOL
Dominant
I
S
I
SHDN
V
TSH
Recessive
Standby
V
SHDN
= V
CC
, TXD = V
CC
or unconnected
+160
25
CONDITIONS
MIN
TYP
35
2
8
MAX
70
5
15
1
UNITS
mA
µA
µA
°C
°C
www.maximintegrated.com
Maxim Integrated
│
2
MAX3051
+3.3V, 1Mbps, Low-Supply-Current
CAN Transceiver
Electrical Characteristics (continued)
(V
CC
= +3.3V ±5%, R
L
= 60Ω, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +3.3V and
T
A
= +25°C.) (Note 1)
PARAMETER
CANH Short-Circuit Current
CANL Short-Circuit Current
RXD OUTPUT LEVELS
RXD High Output-Voltage Level
RXD Low Output-Voltage Level
V
OH
V
OL
I = -1mA
I = 4mA
0.8 x V
CC
V
CC
0.4
V
V
SYMBOL
I
CANHSC
I
CANLSC
CONDITIONS
-7V ≤ V
CANH
≤ 0V
Minimum foldback current
V
CC
≤ V
CANL
≤ 12V
MIN
-200
-35
200
TYP
MAX
UNITS
mA
mA
DC BUS RECEIVER (V
TXD
= V
CC
; CANH and CANL externally driven; -7V
≤
V
CANH
, V
CANL
≤
+12V,
unless otherwise specified)
Differential Input Voltage
(Recessive)
Differential Input Voltage
(Dominant)
Differential Input Hysteresis
CANH and CANL Input
Resistance
Differential Input Resistance
MODE SELECTION (RS)
Input Voltage for High Speed
Input Voltage for Standby
Slope-Control Mode Voltage
High-Speed Mode Current
SHUTDOWN (SHDN)
SHDN Input Voltage High
SHDN Input Voltage Low
SHDN Pulldown Resistor
V
SHDNH
V
SHDNL
R
INSHDN
50
2
0.8
100
V
V
kΩ
V
SLP
V
STBY
V
SLOPE
I
HS
R
RS
= 25kΩ to 200kΩ
V
RS
= 0V
0.75 x V
CC
0.4 x V
CC
0.6 x V
CC
-500
0.3 x V
CC
V
V
V
µA
V
DIFF
V
DIFF
V
DIFF(HYST)
R
I
R
DIFF
20
40
-7V ≤ V
CM
≤ +12V
V
RS
= V
CC
(standby mode)
Dominant
V
RS
= V
CC
(standby mode)
20
50
100
0.5
0.5
0.9
1.1
V
V
mV
kΩ
kΩ
www.maximintegrated.com
Maxim Integrated
│
3
MAX3051
+3.3V, 1Mbps, Low-Supply-Current
CAN Transceiver
Timing Characteristics
(V
CC
= +3.3V ±5%, R
L
= 60Ω, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +3.3V and
T
A
= +25°C.)
PARAMETER
Delay TXD to Bus Active
(Figure 1)
SYMBOL
t
ONTXD
CONDITIONS
V
RS
= 0V (≤ 1Mbps)
R
RS
= 25kΩ (≤ 500kbps)
R
RS
= 100kΩ (≤ 125kbps)
V
RS
= 0V (≤ 1Mbps)
t
OFFTXD
R
RS
= 25kΩ (≤ 500kbps)
R
RS
= 100kΩ (≤ 125kbps)
V
RS
= 0V (≤ 1Mbps)
t
ONRXD
R
RS
= 25kΩ (≤ 500kbps)
R
RS
= 100kΩ (≤ 125kbps)
V
RS
= 0V (≤ 1Mbps)
t
OFFRXD
R
RS
= 25kΩ (≤ 500kbps)
R
RS
= 100kΩ (≤ 125kbps)
V
RS
= 0V (≤ 1Mbps)
Differential-Output Slew Rate
SR
R
RS
= 25kΩ (≤ 500kbps)
R
RS
S = 100kΩ (≤ 125kbps)
R
RS
= 200kΩ (≤ 62.5kbps)
Bus Dominant to RXD Active
Standby to Receiver Active
SHDN to Bus Inactive
SHDN to Receiver Active
SHDN to Standby
ESD Protection
t
DRXDL
t
SBRXDL
t
OFFSHDN
t
ONSHDN
t
SHDNSB
V
RS
> 0.8 x V
CC
, standby, Figure 2
BUS dominant, Figure 2
TXD = GND, Figure 3 (Note 2)
BUS dominant, Fi gur e 3 (Note 3)
Figure 4
Human Body Model
20
±12
245
800
96
12.5
2.9
1.6
1
4
1
4
μs
μs
μs
μs
μs
kV
V/μs
200
730
100
ns
226
834
80
ns
183
770
70
ns
MIN
TYP
MAX
50
ns
UNITS
Delay TXD to Bus Inactive
(Figure 1)
Delay Bus to Receiver Active
(Figure 1)
Delay Bus to Receiver Inactive
(Figure 1)
Note 1:
All currents into device are positive; all currents out of the device are negative. All voltages are referenced to device
ground, unless otherwise noted.
Note 2:
No other devices on the BUS.
Note 3:
BUS externally driven.
www.maximintegrated.com
Maxim Integrated
│
4
MAX3051
+3.3V, 1Mbps, Low-Supply-Current
CAN Transceiver
Timing Diagrams
Figure 1
TXD
V
CC
/2
V
CC
/2
Figure 2
RS
V
CC
x 0.75
t
ONTXD
V
DIFF
0.9V
t
OFFTXD
V
DIFF
0.5V
BUS EXTERNALLY
DRIVEN
1.1V
t
SBRXDL
t
DRXDL
t
ONRXD
RXD
t
OFFRXD
RXD
V
CC
/2
V
CC
/2
V
CC
/2
V
CC
/2
Figure 1. Timing Diagram
Figure 2. Timing Diagram for Standby Signal
Figure 3
SHDN
V
CC
/2
V
CC
/2
Figure 4
SHDN
t
OFFSHDN
t
ONSHDN
V
CC
/2
V
DIFF
0.5V
BUS EXTERNALLY
DRIVEN
RS
V
CC
/2
t
SHDNSB
0.75V x V
CC
RXD
Figure 3. Timing Diagram for Shutdown Signal
Figure 4. Timing Diagram for Shutdown-to-Standby Signal
Type: Transceiver Number of Drivers/Receivers: 1/1 Protocol Category: CAN Bus Data Rate: 1Mbps
Type: Transceiver Driver/Receiver Number: 1/1 Protocol Category: CAN Bus Data Rate: 1Mbps Small size and small package; +3.3V, 1Mbps, low power consumption
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