SN65HVD231Q - 汽车类 3.3V CAN 收发器

SN65HVD231Q是TI德州仪器公司的一款无产品，SN65HVD231Q是汽车类 3.3V CAN 收发器，本站介绍了SN65HVD231Q的封装应用图解、特点和优点、功能等，并给出了与SN65HVD231Q相关的TI元器件型号供参考。

SN65HVD231Q - 汽车类 3.3V CAN 收发器 - 无 - CAN收发器 - 德州仪器

产品描述

The SN65HVD230Q, SN65HVD231Q, and SN65HVD232Q controller area network (CAN) transceivers are designed for use with the Texas Instruments TMS320Lx240x 3.3-V DSPs with CAN controllers, or with equivalent devices. They are intended for use in applications employing the CAN serial communication physical layer in accordance with the ISO 11898 standard. Each CAN transceiver is designed to provide differential transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1 Mbps.

Designed for operation in especially-harsh environments, these devices feature cross-wire protection, loss-of-ground and overvoltage protection, overtemperature protection, as well as wide common-mode range.

The transceiver interfaces the single-ended CAN controller with the differential CAN bus found in industrial, building automation, and automotive applications. It operates over a –2-V to 7-V common-mode range on the bus, and it can withstand common-mode transients of ±25 V.

On the SN65HVD230Q and SN65HVD231Q, RS (pin 8) provides three different modes of operation: high-speed, slope control, and low-power modes. The high-speed mode of operation is selected by connecting pin 8 to ground, allowing the transmitter output transistors to switch on and off as fast as possible with no limitation on the rise and fall slopes. The rise and fall slopes can be adjusted by connecting a resistor to ground at pin 8, since the slope is proportional to the pin’s output current. This slope control is implemented with external resistor values of 10 k, to achieve a 15-V/µs slew rate, to 100 k, to achieve a 2-V/µs slew rate.

The circuit of the SN65HVD230Q enters a low-current standby mode during which the driver is switched off and the receiver remains active if a high logic level is applied to RS (pin 8). The DSP controller reverses this low-current standby mode when a dominant state (bus differential voltage > 900 mV typical) occurs on the bus.

The unique difference between the SN65HVD230Q and the SN65HVD231Q is that both the driver and the receiver are switched off in the SN65HVD231Q when a high logic level is applied to RS (pin 8) and remain in this sleep mode until the circuit is reactivated by a low logic level on RS.

The Vref (pin 5 on the SN65HVD230Q and SN65HVD231Q) is available as a VCC/2 voltage reference.

The SN65HVD232Q is a basic CAN transceiver with no added options; pins 5 and 8 are NC, no connection.

产品特性

Qualified for Automotive Applications
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Operates With a 3.3-V Supply
Low Power Replacement for the PCA82C250 Footprint
Bus/Pin ESD Protection Exceeds 15-kV HBM
Controlled Driver Output Transition Times for Improved Signal Quality on the SN65HVD230Q and SN65HVD231Q
Unpowered Node Does Not Disturb the Bus
Compatible With the Requirements of the ISO 11898 Standard
Low-Current SN65HVD230Q Standby Mode 370 µA Typical
Low-Current SN65HVD231Q Sleep Mode 0.1 µA Typical
Designed for Signaling Rates Up To 1 Megabit/Second (Mbps)
Thermal Shutdown Protection
Open-Circuit Fail-Safe Design

The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).

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