MAX3056ASD+T

Overview

The MAX3056ASD+T is a ±80V fault-protected CAN transceiver designed for 40kbps applications. It operates within a supply voltage range of 4.75V to 5.25V and supports an operating temperature range from -40°C to +125°C. The device features built-in slope control for unshielded cable use, ensuring high noise immunity through receiver input filters. It provides full wake-up capability during failure modes and includes current-limiting and thermal-protection circuits to safeguard the transmitter output stage against overcurrent faults.

Feature Summary

• Supports single-wire transmission mode with ground offset voltages up to 1.5V
• Built-in slope-control feature allows the use of unshielded cables
• Guarantees full wake-up capability during failure modes
• Does not disturb the bus line when unpowered

Applications

• Industrial HVAC systems

Procurement Notes

Verify the component authenticity by checking the marking on the package against the official datasheet specifications. Confirm that the ordering suffix matches the required lead-free and RoHS-compliant status. Ensure the package type corresponds to the 14-pin SO configuration. Cross-reference the manufacturer details with Analog Devices Inc. or Maxim Integrated records to validate the source before procurement.

Selection Notes

Select the MAX3056ASD+T specifically for applications requiring a data rate of 40kbps. This model is distinguished from the MAX3054 and MAX3055 by its optimized performance for lower speed networks. The inclusion of slope control makes it suitable for environments utilizing unshielded cabling where electromagnetic interference is a concern. Verify compatibility with the system's voltage requirements and temperature constraints.

Part Context

The MAX3056 is part of the MAX3054/MAX3055/MAX3056 family of interfaces between the protocol controller and the physical wires of the bus lines in a controller area network (CAN). These devices provide differential transmit capability and switch to single-mode if certain fault conditions occur. The family is designed to guarantee full wakeup capability during failure modes while offering extended fault-protected voltage ranges.

Replacement Considerations

The MAX3056 is pin and functionally compatible with the TJA1054.