P82B715PN,112 - Brand New NXP Semiconductors Signal Buffers, Repeaters, Splitters
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Description
The P82B715PN,112 is a bipolar integrated circuit mainly used for I 2C bus systems for signal buffering, repeating, and splitting. It has the same operational modes and features of the I 2C system, but allows for an extension in practical separation distance between components on the bus by buffering both the data (SDA) and clock (SCL) lines. The bus distance limitation on the I 2C bus is due to a capacitance limit of 400pF, which restricts communication distances to a few meters. By using one P82B715PN,112 on each end of longer cables, the cable loading capacitance on the I 2C bus can be reduced by a factor of 10 times, which may permit the use of low-cost general-purpose wiring to extend bus lengths.
Specifications and features
- Dual, bi-directional, unity voltage gain buffer
- I2C bus compatible
- Logic signal levels may include both supply and ground
- X10 impedance transformation
- Wide supply voltage range
Application Scenarios
The P82B715PN,112 can be used in scenarios where longer cable distances are required in I 2C bus systems. By buffering both the data and clock lines, it provides a means to extend the practical separation distance between components on the bus, which can be beneficial in various applications such as industrial control systems, automotive electronics, and more.
Comparison
Advantages- Easy integration with existing I 2C bus systems
- Allows for the extension of practical separation distance between components on the bus
- Reduces cable loading capacitance on the I 2C bus by a factor of 10 times, potentially allowing the use of low-cost general-purpose wiring to extend bus lengths
Disadvantages- May not be necessary for I 2C bus systems with shorter cable distances
- Additional components may be required to account for the increased cable length, which could add to system cost
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Datasheet
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- Datasheet: Download P82B715PN,112
- Chipdatas Part: CD87-P82B715PN,112
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- Last Updated: 2024/10/01 18:19 +0800
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