P82B96

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community P82B96 SCPS144C – MAY 2006 – REVISED MAY 2015 P82B96 I2C Compatible Dual Bidirectional Bus Buffer 1 Features 1 Operating Power-Supply Voltage Range of 2 V to 15 V Can Interface Between I2C Buses Operating at Different Logic Levels (2 V to 15 V) Longer Cables by allowing bus capacitance of 400 pF on Main Side (Sx/Sy) and 4000 pF on Transmission Side (Tx/Ty) Outputs on the Transmission Side (Tx/Ty) Have High Current Sink Capability for Driving LowImpedance or High-Capacitive Buses Interface With Optoelectrical Isolators and Similar Devices That Need Unidirectional Input and Output Signal Paths by Splitting I2C Bus Signals Into Pairs of Forward (Tx/Ty) and Reverse (Rx/Ry) Signals 400-kHz Fast I2C Bus Operation Over at Least 20 Meters of Wire Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II ESD Protection Exceeds JESD 22 2 Applications HDMI DDC Long I2C Communication Galvanic I2C Isolation Industrial Communications 3 Description The P82B96 device is a bus buffer that supports bidirectional data transfer between an I2C bus and a range of other bus configurations with different voltage and current levels. One of the advantages of the P82B96 is that it supports longer cables/traces and allows for more devices per I2C bus because it can isolate bus capacitance such that the total loading (devices and trace lengths) of the new bus or remote I2C nodes are not appa...