Description

ExControl i2c EXTENDER that creates a non-latching, bidirectional, logic interface between the normal I2C-bus and a range of other bus configurations.

This board lets you retain all the features of the standard I2C-bus while easily extending its communication distance up to 30m or 3000 pF, well beyond the limits of the standard 400-pF bus.

It can interface I2C-bus logic signals to similar buses having different voltage and current levels.

Applications.

Upgrading standard I2C-bus systems to:

• Implement multi-drop signal distribution using low-cost twisted-pair cables
• Power and data in same FTP or UTP wire (Power in bus wire).
• Increase total connected capacitance
• Easily drive signals over longer cables, up to 30 m
• Improve noise immunity

Key features

• Dual, bidirectional, unity-voltage gain buffer
• Latch-up free, Latch-up testing is done to JEDEC Standard D78, which exceeds 100 Ma
• ESD protection exceeds 2500 V HBM per Mil Std 883C-3015.7 and 400 V MM per JESD22-A115
• All I/O have diodes to VCC and GND
• Requires no external directional control
• Compatible with standard I2C-bus
• Wide supply voltage range (5 to 12 V)
• Clock speeds to at least 100 kHz and 400 kHz or beyond,depending on application

Donwload.

Payment Methods

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