SN65HVD70D

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The SN65HVD70D is a member of the Texas Instruments family of interface ICs comprised of drivers, receivers, and transceivers. It is a full-duplex, low-power differential driver and receiver designed for high-speed data communication in automotive applications. Specifically, the SN65HVD70D is designed for the Controller Area Network (CAN), the most widely used communication protocol in vehicles today. It is an ideal choice for automotive applications, including powertrain, body, instrumentation and chassis systems.

The SN65HVD70D is a differential driver & receiver in SO-14 package, suitable for any differential bus applications. The device provides high-speed differential communication up to 2 Mbps. The device operates with 5V supply, allowing direct connection to 5V bus systems. It has a differential transmit and receive pair with both directions clocked at the same time, if required. The device has an average supply current in active mode of less than 150 μA and a standby current of less than 18 μA. It also features a fail-safe protection against open, short-to-ground and short-to-battery conditions.

The core features of the SN65HVD70D are split into two distinct functional elements - the driver and the receiver. The driver circuitry consists of an internal charge pump voltage regulator and RP, which helps to reduce electromagnetic interference. The receiver circuitry consists of a differential amplifier and low-noise comparator for noise and common-mode transient edge detection. The driver and receiver are designed to match each other in terms of gain and offset characteristics. This matching ensures a low differential input threshold of +/− 2mV. The device also features a CAN compatibility specification which meets the CAN 2.0A (11-bit ID) and CAN 2.0B (29-bit ID) protocol.

The SN65HVD70D device is ideal for ISO 11898-2 (High Speed CAN) applications. It provides a low cost solution for automotive applications requiring differential data communications. It is also suitable for applications needing differential data communication links at rates of up to 2 Mbps. Its fail-safe protection mechanism provides excellent protection against shorts, open and reverse wire conditions.

In summary, the SN65HVD70D is a full-duplex, low-power differential driver and receiver designed for high-speed data communication in automotive applications. It is specifically designed for the Controller Area Network (CAN), the most widely used communication protocol in vehicles today. The device provides a low cost solution for automotive applications requiring differential data communication at rates of up to 2 Mbps. Its fail-safe protection mechanism provides excellent protection against shorts, open and reverse wire conditions. As such, it is an ideal choice for automotive applications, including powertrain, body, instrumentation and chassis systems.

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