P82B715TD,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Bus Extender
• Characteristics:
  • Extends the I2C bus up to 4000 pF capacitance
  • Supports bidirectional data transfer
  • Compatible with I2C and SMBus protocols
• Package: SOIC-8
• Essence: The P82B715TD,118 is a bus extender IC that allows for long-distance communication on the I2C bus while maintaining signal integrity.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage: 2.5V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Capacitance on Extended Bus: 4000 pF
• Maximum Bus Length: 50 meters
• Maximum Data Rate: 100 kbps

Detailed Pin Configuration

The P82B715TD,118 has an SOIC-8 package with the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage input | | 2 | SDAIN | Input data line from the master | | 3 | SCLIN | Input clock line from the master | | 4 | GND | Ground reference | | 5 | SDAOUT | Output data line to the slave | | 6 | SCLOUT | Output clock line to the slave | | 7 | NC | No connection | | 8 | NC | No connection |

Functional Features

• Extends the I2C bus by buffering and regenerating the signals
• Provides level shifting between different voltage domains
• Supports multiple devices on the extended bus
• Provides noise rejection and signal conditioning

Advantages and Disadvantages

Advantages

• Enables long-distance communication on the I2C bus
• Maintains signal integrity by buffering and regenerating signals
• Compatible with standard I2C and SMBus protocols
• Supports multiple devices on the extended bus

Disadvantages

• Limited to a maximum data rate of 100 kbps
• Requires additional power supply and decoupling capacitors

Working Principles

The P82B715TD,118 extends the I2C bus by buffering and regenerating the signals. It operates as a bidirectional voltage-level translator, allowing communication between devices operating at different voltage levels. The IC actively drives the SDAOUT and SCLOUT lines to compensate for signal degradation caused by long cables or high capacitance.

Detailed Application Field Plans

The P82B715TD,118 is commonly used in applications where long-distance communication is required on the I2C bus. Some potential application fields include: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

• PCA9600D,112: Similar bus extender IC with higher data rate capability (up to 400 kbps)
• TCA9517DGKR: I2C bus buffer with level shifting and hot-swappable capabilities
• LTC4316IMS#PBF: I2C/SMBus accelerator with level shifting and bus isolation features

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