NXP P82B96 Bus Buffer IC SOIC-8
NXP P82B96 bus buffer IC in an SOIC-8 package. Non-latching bidirectional I²C interface with 400pF and 4000pF bus capacitance sides.
The NXP P82B96 Bus Buffer IC is a bipolar integrated circuit in an SOIC-8 package that provides a non-latching, bidirectional logic interface for bus communication. It is primarily used between a standard I²C bus and other bus configurations with differing voltage and current levels, bridging communication gaps without imposing restrictions on I²C bus protocols or clock speed.
Overview
The P82B96 can connect to 350mA SMBus, 3.3V logic devices and 15V levels. Its low-impedance drive capability enhances noise immunity over extended bus lengths and supports reliable 400kHz operation over distances of at least 20 metres of wire. The Tx/Ty outputs are designed to drive low-impedance or highly capacitive buses, and the device isolates bus capacitance, permitting 400pF on the Sx/Sy side and 4000pF on the Tx/Ty side. Loadings from remote bus nodes are not transmitted back to the local I²C node. The IC measures 3.3 by 1.5 by 4.3 (width, depth and height) and weighs 0.136 g.
Key Features
- Bipolar process with no latching structures, providing latch-up free operation
- Low power supply current
- Compact SOIC-8 package for space-constrained applications
- 60mA sink capability on the Tx/Ty outputs
Applications
The IC is suited to splitting I²C bus signals to interface with opto-electrical isolators and similar isolation devices. It is widely used across communications networking, consumer electronics, fibre optics and multimedia systems.
Choose the NXP P82B96 Bus Buffer IC when a compact, bidirectional bus buffer is required to interface I²C signals with bus systems of differing voltage and current levels.
- Interfacing I²C bus signals with opto-electrical isolators and similar isolation devices
- Communications networking
- Consumer electronics
- Fibre optics
- Logic Interface: Non-latching, bidirectional
- Process: Bipolar, latch-up free
- Supported Levels: 350mA SMBus, 3.3V logic devices, 15V levels
- Bus Capacitance (Sx/Sy Side): 400pF
- Bus Capacitance (Tx/Ty Side): 4000pF
- Tx/Ty Sink Capability: 60mA
- Maximum Bus Operation: 400kHz over at least 20 metres of wire
- Power Supply Current: Low
- Package: SOIC-8
- Width: 3.3
- Depth: 1.5
- Height: 4.3
- Weight: 0.136 g
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