MAX3051 Maxim, MAX3051 Datasheet - Page 8

• Manufacturer Part Number: MAX3051
• Description: +3.3V / 1Mbps / Low-Supply-Current CAN Transceiver
• Manufacturer: Maxim

+3.3V, 1Mbps, Low-Supply-Current
CAN Transceiver
Figure 5. MAX3051 Functional Diagram
8
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PIN
1
2
3
4
5
6
7
8
RXD
TXD
RS
NAME
SHDN
CANH
CANL
GND
RXD
TXD
V
RS
CC
V
SELECTION
CC
MODE
Transmit Data Input. TXD is a CMOS/TTL-compatible input from a CAN controller. TXD has an
internal 75kΩ pullup resistor.
Ground
Supply Voltage. Bypass V
Receive Data Output. RXD is a CMOS/TTL-compatible output.
Shutdown Input, CMOS/TTL-Compatible. Drive SHDN high to put the MAX3051 in shutdown.
SHDN has an internal 75kΩ pulldown resistor to GND.
CAN Bus Line Low
CAN Bus Line High
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 (see the
Mode Selection section).
RECEIVER
TRANSMITTER
SHUTDOWN
THERMAL
CONTROL
CC
to GND with a 0.1µF capacitor.
0.75V
MAX3051
FUNCTION
V
CC
SHUTDOWN
Detailed Description
CANH
CANL
GND
SHDN