The NXP P82B96DP is a versatile I2C bus extender designed to provide a simple, yet effective solution for extending the reach of the I2C bus communication interface. This powerful semiconductor device allows for the connection of I2C-bus devices over longer distances or allows more devices to be connected, overcoming the limitations imposed by the maximum capacitance of the I2C bus.

Key Features and Benefits

• Extended I2C Bus Range: The P82B96DP can extend the I2C bus up to 300 meters, allowing for greater flexibility in device placement and system design.
• Bidirectional Signal Transmission: It supports bidirectional data transfer, ensuring that both sending and receiving operations over the extended bus function seamlessly.
• Increased Device Capacity: By buffering both the data (SDA) and the clock (SCL) lines, the P82B96DP enables more devices to be connected to the I2C bus, beyond the standard 400 pF bus capacitance limit.
• Compatibility: This bus extender is fully compatible with existing I2C systems, providing a straightforward upgrade path without the need for significant redesign.
• Low Standby Current: The device features a low standby current, which contributes to energy-efficient designs and helps to extend the battery life of portable applications.
• Robust Noise Immunity: The P82B96DP incorporates strong noise immunity features, making it suitable for use in electrically noisy environments.

Applications

The NXP P82B96DP is ideal for a wide range of applications that require robust I2C communication over longer distances or involve a large number of I2C devices. These include, but are not limited to, industrial control systems, building automation, sensor networks, and automotive applications.

Technical Specifications

• Supply Voltage: 3.0 V to 12 V
• Operating Temperature Range: -40°C to +85°C
• Packaging: SO8
• Compliance: Meets I2C Fast-mode specifications

With its balance of extended range, increased device capacity, and compatibility with existing I2C systems, the NXP P82B96DP is an excellent choice for designers looking to enhance their I2C bus communication capabilities.