사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Active |
| Type | Buffer, ReDriver |
| Applications | I²C |
| Input | 2-Wire Bus |
| Output | 2-Wire Bus |
| NumberofChannels | 1 |
| Capacitance-Input | 3000 pF |
| Voltage-Supply | 4.5V ~ 12V |
| Current-Supply | 22mA |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The P82B715D is a bi-directional I2C bus extender or buffer designed to allow communication over longer distances or through cables with higher capacitance than the standard I2C protocol can handle. It is produced by NXP Semiconductors. This device is particularly useful in applications where the I2C bus needs to be extended beyond the typical limitation of approximately 400 pF bus capacitance.
Key features of the P82B715D include the ability to drive capacitive loads up to 3000 pF, making it suitable for extending the distance of the I2C bus significantly. It achieves this by using a current amplifier that boosts the I2C signals, thereby maintaining signal integrity over longer distances. The device is compatible with standard I2C and SMBus systems and does not require any special wiring or connectors.
The P82B715D operates over a wide voltage range (3.0 V to 15 V), making it flexible for various applications. It is commonly used in industrial, automotive, and consumer electronics applications where extended bus communication is necessary.
Key features of the P82B715D include the ability to drive capacitive loads up to 3000 pF, making it suitable for extending the distance of the I2C bus significantly. It achieves this by using a current amplifier that boosts the I2C signals, thereby maintaining signal integrity over longer distances. The device is compatible with standard I2C and SMBus systems and does not require any special wiring or connectors.
The P82B715D operates over a wide voltage range (3.0 V to 15 V), making it flexible for various applications. It is commonly used in industrial, automotive, and consumer electronics applications where extended bus communication is necessary.
Equivalent
The P82B715D is a bi-directional bus extender for I2C and SMBus systems. Equivalent products include the PCA9515A and PCA9518 from NXP, P82B96 from NXP, and the LTC4311 from Analog Devices. These components serve similar roles in extending I2C bus capabilities, offering features like increased drive capability and improved signal integrity over longer distances. Always verify compatibility in terms of electrical specifications and performance needs for your specific application.
Features
The P82B715D is a bi-directional I2C-bus extender designed by NXP Semiconductors. It is used to enhance the I2C bus's performance over longer distances or for applications requiring higher bus capacitance. Key features include:
1. Voltage Range: Operates from 3 V to 12 V, making it suitable for a variety of applications.
2. I2C Standard Compatibility: Fully compatible with I2C-bus and SMBus standards.
3. Drive Capability: Can drive capacitance loads up to 4000 pF, allowing for longer cable lengths.
4. Signal Integrity: Enhances signal integrity by isolating bus capacitance.
5. Bidirectional Buffers: Facilitates bidirectional data flow, maintaining signal integrity on both sides of the bus.
6. Low Standby Current: Consumes minimal power when inactive.
7. Temperature Range: Operates across a broad temperature range, making it versatile for different environments.
8. Package Options: Available in different packages to match various application needs.
Overall, the P82B715D is ideal for extending I2C bus signals in complex systems requiring high reliability and extended reach.
1. Voltage Range: Operates from 3 V to 12 V, making it suitable for a variety of applications.
2. I2C Standard Compatibility: Fully compatible with I2C-bus and SMBus standards.
3. Drive Capability: Can drive capacitance loads up to 4000 pF, allowing for longer cable lengths.
4. Signal Integrity: Enhances signal integrity by isolating bus capacitance.
5. Bidirectional Buffers: Facilitates bidirectional data flow, maintaining signal integrity on both sides of the bus.
6. Low Standby Current: Consumes minimal power when inactive.
7. Temperature Range: Operates across a broad temperature range, making it versatile for different environments.
8. Package Options: Available in different packages to match various application needs.
Overall, the P82B715D is ideal for extending I2C bus signals in complex systems requiring high reliability and extended reach.
Pinout
The P82B715D is an I2C bus extender designed to increase the maximum allowable bus capacitance by buffering the bus capacitance on the connected nodes. It typically comes in an 8-pin SOIC package. Here's a brief overview of its pin functions:
1. VCC (Pin 1): Power supply input.
2. SDAIN (Pin 2): Serial Data Input for SDA line.
3. SCLIN (Pin 3): Serial Clock Input for SCL line.
4. SDABUS (Pin 4): Buffered Serial Data Bus Line.
5. SCLBUS (Pin 5): Buffered Serial Clock Bus Line.
6. GND (Pin 6): Ground connection.
7. TX (Pin 7): Transmit Input, used to control directionality.
8. RX (Pin 8): Receive Output, used to control directionality.
The device functions by reducing the load on the I2C bus lines, allowing for longer bus lengths or more devices on a bus segment without violating I2C speed/capacitance specifications.
1. VCC (Pin 1): Power supply input.
2. SDAIN (Pin 2): Serial Data Input for SDA line.
3. SCLIN (Pin 3): Serial Clock Input for SCL line.
4. SDABUS (Pin 4): Buffered Serial Data Bus Line.
5. SCLBUS (Pin 5): Buffered Serial Clock Bus Line.
6. GND (Pin 6): Ground connection.
7. TX (Pin 7): Transmit Input, used to control directionality.
8. RX (Pin 8): Receive Output, used to control directionality.
The device functions by reducing the load on the I2C bus lines, allowing for longer bus lengths or more devices on a bus segment without violating I2C speed/capacitance specifications.
Manufacturer
The P82B715D is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in the development and production of solutions for automotive, industrial, mobile, and communication infrastructure markets. They focus on providing secure connectivity solutions and offer a wide range of products, including microcontrollers, processors, sensors, and RF components.
Application
The P82B715D is a bus extender used in I²C (Inter-Integrated Circuit) systems, enhancing their capability by allowing for longer cable lengths and higher capacitance loads without degrading signal integrity. Its primary application areas include:
1. Industrial and Automotive Systems: Facilitates communication over long distances in complex environments.
2. Consumer Electronics: Enables robust communication between components in devices like TVs and home audio systems.
3. Telecommunications: Enhances data transfer reliability over extended cable lengths.
4. Medical Devices: Supports precise data communication in equipment with spatial constraints.
5. Networking Equipment: Ensures efficient data transfer across various components in networking hardware.
These applications leverage its ability to maintain signal integrity over extended distances.
1. Industrial and Automotive Systems: Facilitates communication over long distances in complex environments.
2. Consumer Electronics: Enables robust communication between components in devices like TVs and home audio systems.
3. Telecommunications: Enhances data transfer reliability over extended cable lengths.
4. Medical Devices: Supports precise data communication in equipment with spatial constraints.
5. Networking Equipment: Ensures efficient data transfer across various components in networking hardware.
These applications leverage its ability to maintain signal integrity over extended distances.
Package
The P82B715D is a bus extender IC typically used in I2C applications. It is housed in a standard SOIC-8 (Small Outline Integrated Circuit with 8 pins) package, which is commonly used for surface mounting on PCBs.