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MAX14878–MAX14880
2.75kV, 3.5kV, and 5kV Isolated CAN
Transceivers
General Description
Benefits and Features
The MAX14878–MAX14880 family of high-speed trans-
ceivers improve communication and safety by integrating
galvanic isolation between the CAN protocol controller
side of the device and the physical wires of the network
(CAN) bus. Isolation improves communication by breaking
ground loops and reduces noise where there are large
differences in ground potential between ports. The
● Integrated Protection for Robust Communication
• 2.75kV
, 3.5kV
, or 5kV
Withstand
RMS
RMS
RMS
Isolation Voltage for 60s (Galvanic Isolation)
• ±25V Receiver Input Common-Mode Range
• ±54V Fault Protection on Receiver Inputs
● High-Performance Transceiver Enables Flexible
Designs
MAX14879 provides up to 2750V
(60s) of galvanic
RMS
• Wide 1.71V to 5.5V Supply for the CAN Controller
Interface
• Available 16-pin and 8-pin SOIC Package Pin
Configurations
isolation, while the MAX14878/MAX14880 provide up to
5000V (60s) of galvanic isolation in 8-pin and 16-pin
RMS
SOIC packages.
All transceivers operate up to the maximum high-speed
CAN data rate of 1Mbps. The MAX14879/MAX14880 fea-
ture an integrated standby input (STB) on the isolated side
of the transceiver to disable the driver and place the trans-
ceiver in a low-power standby mode. The MAX14878 does
not include the standby input.
• Data Rates up to 1Mbps (Max)
• Dominant Timeout Protection
Safety Regulatory Approvals
● UL According to UL1577 (Basic Insulation) (16-Pin
Package Devices Only)
The MAX14878–MAX14880 transceivers feature integrat-
ed protection for robust communication. The receiver input
common-mode range is ±25V, exceeding the ISO 11898
specification of -2V to +7V, and are fault tolerant up to
±54V. Driver outputs/receiver inputs are also protected
from ±15kV electrostatic discharge (ESD) to GNDB on the
bus side, as specified by the Human Body Model (HBM).
Ordering Information appears at end of data sheet.
Interfacing with CAN protocol controllers is simplified by
the wide 1.71V to 5.5V supply voltage range (V
) on
DDA
the controller side of the device. This supply voltage sets
the interface logic levels between the transceiver and con-
troller. The supply voltage range for the CAN bus side of
the device is 4.5V to 5.5V (V
).
DDB
The MAX14878–MAX14880 are available in a wide-body
16-pin SOIC package with 8mm of creepage and clear-
ance. The MAX14878 is also available in 8-pin wide-body
SOIC packages with 5mm (MAX14878) and 8mm
(MAX14878W) creepage. All devices operate over the
-40°C to +125°C temperature range.
Applications
● Industrial Controls
● HVAC
● Building Automation
● Switching Gear
19-100067; Rev 7; 9/20