SN65HVD251-Q1 - 汽车类 CAN 收发器

SN65HVD251-Q1是TI德州仪器公司的一款无产品，SN65HVD251-Q1是汽车类 CAN 收发器，本站介绍了SN65HVD251-Q1的封装应用图解、特点和优点、功能等，并给出了与SN65HVD251-Q1相关的TI元器件型号供参考。

SN65HVD251-Q1 - 汽车类 CAN 收发器 - 无 - CAN收发器 - 德州仪器

产品描述

The SN65HVD251 is intended for use in applications employing the Controller Area Network (CAN) serial communication physical layer in accordance with the ISO 11898 Standard. The SN65HVD251 provides differential transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1 megabit per second (Mbps).

Designed for operation in harsh environments, the device features crosswire, overvoltage, and loss of ground protection to ±36 V. Also featured are overtemperature protection as well as -7-V to 12-V common-mode range, and tolerance to transients of ±200 V. The transceiver interfaces the single-ended CAN controller with the differential CAN bus found in industrial, building automation, and automotive applications.

Rs, pin 8, selects one of three different modes of operation: high-speed, slope control, or low-power mode. The high-speed mode of operation is selected by connecting pin 8 to ground, allowing the transmitter output transistors to switch as fast as possible with no limitation on the rise and fall slope. The rise and fall slope can be adjusted by connecting a resistor to ground at pin 8; the slope is proportional to the pin's output current. Slope control with an external resistor value of 10 k gives ~2 V/µs slew rate.

If a high logic level is applied to the Rs pin 8, the device enters a low-current standby mode where the driver is switched off and the receiver remains active. The local protocol controller returns the device to the normal mode when it transmits to the bus.

产品特性

Qualified for Automotive Applications
Drop-In Improved Replacement for the PCA82C250 and PCA82C251
Bus-Fault Protection of±36 V
Meets or Exceeds ISO 11898
Signaling Rates(1) up to 1 Mbps
High Input Impedance Allows up to 120 SN65HVD251 Nodes on a Bus
Bus Pins ESD Protection Exceeds 9 kV (HBM)
Unpowered Node Does Not Disturb the Bus
Low-Current Standby Mode: 200 µA Typical
Thermal Shutdown Protection
Glitch-Free Power-Up and Power-Down Bus Protection for Hot Plugging
DeviceNet™ Vendor ID #806
APPLICATIONS
- CAN Data Buses
- Industrial Automation
  - DeviceNet Data Buses
  - Smart Distributed Systems (SDS™)
- SAE J1939 Standard Data Bus Interface
- NMEA 2000 Standard Data Bus Interface
- ISO 11783 Standard Data Bus Interface

(1) The signaling rate of a line is the number of voltage transitions that are made per second expressed in bps (bits per second).All trademarks are the property of their respective owners.

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