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MAX14879

更新时间: 2024-11-30 14:57:39
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 397K
描述
2.75kV和5kV隔离型CAN收发器

MAX14879 数据手册

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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  

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