The NXP P82B715 is a versatile I2C-bus extender designed to provide a robust solution for extending the reach of the I2C-bus communication interface beyond its typical distance limitations. This powerful component allows for long-distance communication between I2C devices without sacrificing signal integrity or data transfer rates.
Key Features
- Extended I2C Bus Range: The P82B715 can increase the I2C-bus length from a few meters to over 300 meters, depending on the bus capacitance and the data rate.
- High-Speed Operation: Supports I2C standard mode (100 kbit/s) and fast mode (400 kbit/s) operations.
- Increased Bus Capacitance: Allows for bus capacitance of up to 3,000 pF, significantly higher than the standard 400 pF limit.
- Bidirectional Signal Transfer: No direction control is necessary for the translation of bidirectional I2C-bus signals.
- Compatibility: Interoperable with existing I2C-bus systems and can be used with standard I2C-bus devices and multiple masters.
- Low Standby Current: Features a low standby current, making it suitable for battery-powered applications.
- Buffered Output: Provides buffered output capability to offer better noise immunity and stable signal transmission.
Applications
The P82B715 is ideal for a wide range of applications that require long-distance communication between I2C-compatible devices. These include:
- Industrial control systems
- Building automation
- Automotive networks
- Home entertainment systems
- Medical equipment
Technical Specifications
Parameter
Specification
Supply Voltage
3.0V to 12V
Operating Temperature
-40°C to +85°C
Package Type
SO8, DIP8
In summary, the NXP P82B715 I2C-bus extender is a reliable and efficient solution for system designers looking to expand the communication capabilities of their I2C-bus networks. Its ability to maintain signal integrity over longer distances makes it an indispensable component in a variety of complex electronic systems.