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P82B96, P82B96D, P82B96DP-T

Table of contents:
Info of P82B96
Info of P82B96D
Info of P82B96DP-T

P82B96, P82B96D, P82B96DP-T Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:SOP D/C:623

P82B96, P82B96D, P82B96DP-T Datasheet download

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Part Number: P82B96D

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: SOP

D/C: 623

Description: IC DUAL BI-DIR BUS BUFFER 8-SOIC

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P82B96 General Description

The P82B96 is a bipolar IC that creates a non-latching, bi-directional, logic interface between the normal I2C-bus and a range of other bus configurations. It can interface I2C-bus logic signals to similar buses having different voltage and current levels.

For example it can interface to the 350 mA SMB bus, to 3.3 V logic devices, and to 15 V levels and/or low impedance lines to improve noise immunity on longer bus lengths.

It achieves this interface without any restrictions on the normal I2C protocols or clock speed. The IC adds minimal loading to the I2C node, and loadings of the new bus or remote I2C nodes are not transmitted or transformed to the local node. Restrictions on the number of I2C devices in a system, or the physical separation between them, are virtually eliminated. Transmitting SDA/SCL signals via balanced transmission lines (twisted pairs) or with galvanic isolation (opto-coupling) is simple because separate directional Tx and Rx signals are provided. The Tx and Rx signals may be directly connected, without causing latching, to provide an alternative bi-directional signal line with I2C properties.

P82B96 Features

• Bi-directional data transfer of I2C-bus signals
• Isolates capacitance allowing 400 pF on Sx/Sy side and
4000 pF on Tx/Ty side
• Tx/Ty outputs have 60 mA sink capability for driving
low impedance or high capacitive buses
• 400 kHz operation over at least 20 meters of wire (see AN10148)
• Supply voltage range of 2 V to 15 V with I2C logic levels on Sx/Sy
side independent of supply voltage
• Splits I2C signal into pairs of forward/reverse Tx/Rx, Ty/Ry signals
for interface with opto-electrical isolators and similar devices that
need uni-directional input and output signal paths.
• Low power supply current
• ESD protection exceeds 3500 V HBM per JESD22-A114,
250 V DIP package / 400 V SO package MM per JESD22-A115,
and 1000 V CDM per JESD22-C101
• Latch-up free (bipolar process with no latching structures)
• Packages offered: DIP, SO, and TSSOP

P82B96 Typical Application

• Interface between I2C buses operating at different logic levels (e.g., 5 V and 3 V or 15 V)
• Interface between I2C and SMB (350 mA) bus standard.
• Simple conversion of I2C SDA or SCL signals to multi-drop differential bus hardware, e.g., via compatible PCA82C250.
• Interfaces with Opto-couplers to provide Opto isolation between I2C-bus nodes up to 400 kHz.

P82B96 Connection Diagram

P82B96D Parameters

Technical/Catalog Information	P82B96D
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Tx/Rx Type	I²C Logic
Delay Time	5.0ns
Type	Buffer
Capacitance - Input	4pF
Current - Supply	4mA
Voltage - Supply	2 V ~ 15 V
Package / Case	8-SOIC (3.9mm Width)
Packaging	Tube
Drawing Number	296; 4040047-2; D; 8
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	P82B96D P82B96D

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