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UM3851S8
高速CAN收发器
Datasheet Reliability Report Package Information Order Sample  
Key Specifications
Part Number Description Status VCC(Min)(V) VCC(Max)(V) Max Data Rate(Mbps) I/O (V) Bus fault voltage(V) Operating Temperature Range(℃) Pin/Package EV Kit Available?
UM3851S8 高速CAN收发器 ACTIVE 4.5 5.5 5 2.8 to 5.5 -44 to +44 -40 to 125 8/SOP8 Y
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Product Description
 
The UM3851 is a high-speed CAN transceiver that provides an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. The transceiver is designed for high-speed CAN applications in the automotive industry, providing differential transmit and receive capability to (a microcontroller with) a CAN protocol controller. The UM3851 offers improved ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance, and also features:
• Ideal passive behavior to the CAN bus when the supply voltage is off.
• UM3851S8 and UM3851DA can be interfaced directly to microcontrollers with supply voltages from 3.3V or 5V supply voltage.
The UM3851 implements the CAN physical layer as defined in ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5. This implementation enables reliable communication in the CAN FD fast phase at data rates up to 5 Mbit/s. These features make the UM3851 an excellent choice for all types of HS-CAN networks, in nodes that do not require a standby mode with wake-up capability via the bus. 
 
Features
 
- ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant
- Timing guaranteed for data rates up to 5 Mbit/s in the CAN FD fast phase
- Suitable for 12V and 24V systems
- VIO input on UM3851S8 and UM3851DA allows for direct interfacing with 3.3V or 5V
  microcontrollers (available in SOP8 and very small DFN8 packages respectively)
- EN input on UM3851S8E allows the microcontroller to switch the transceiver to a very low-current Off mode
- Transceiver disengages from the bus when not powered up (zero load)
- High ElectroStatic Discharge (ESD) handling capability on the bus pins
- Transmit Data (TXD) dominant time-out function
- Undervoltage detection on pins VCC and VIO
- Thermally protected
  
Pin Configuration


 
Applications
 
- Automotive industry
- Industrial
- Wireless Infrastructure
 
Ordering Information

Part Number
Operating Temperature
Mark Code
Package Type
Shipping Qty
UM3851S8
-40°C to +125°C
UM3851S8
SOP8
3000pcs/13 Inch
Tape & Reel
 
Application Notes
微处理器超长启动周期中的外部看门狗管理方案v2.pdf
利用3.3V供电RS485接口实现远距离数据通信.pdf
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超低功耗LDO线性稳压器.pdf
I2C-BUS电平转换芯片在安防产品的应用.pdf
0201超小封装ESD保护器件.pdf
Analog Switch Permits Port Sharing in Portable Equipment.pdf
Balanced Modulator Demodulator Employing UM4684.pdf
Level Shifter for High Speed and Wide Voltage Range Interface.pdf
Low Resistance Analog Switches Permit Speaker Switching in Audio Devices.pdf
Low-Icct Analog Switches for Ultra-Portable Designs.pdf
Selecting the Right CMOS Analog Switch.pdf
Product Selection Guide
Interface and System Interconnect Selection Guide.pdf
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