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TCA9802DGKR +BOM

2-bit level-translating 400-kHz I2C/SMBus buffer/repeater with internal 2-mA current source

TCA9802DGKR General Description

Whether used in servers, industrial control systems, or telecommunications equipment, the TCA9802DGKR offers unparalleled performance and reliability. Its dual I2C-bus and SMBus compatible I/O ports enable bidirectional voltage level translation, ensuring seamless communication between devices operating at different voltage levels. With Texas Instruments' reputation for quality and innovation, this translating switch is sure to meet the demands of even the most demanding applications

Key Features

  • Two-channel bidirectional buffer
  • Integrated current source on B-side, requires no external B-side resistors
  • Ultra-low power consumption
  • No static-voltage offset, low VOL
  • I2C bus and SMBus compatible
  • Operating supply voltage range of 0.8 V to 3.6 V on A-side
  • Operating supply voltage range of 1.65 V to 3.6 V on B-side
  • Active-high repeater enable input
  • Powered-off high impedance I2C bus pins on A-side
  • Powered-off back-power protection I2C bus pins
  • Support for clock stretching and multiple master arbitration
  • Family of current source options from 0.5 mA to 3 mA

Specifications

Features Buffer, Enable pin Frequency (max) (MHz) 0.4
VCCA (min) (V) 0.8 VCCA (max) (V) 3.6
VCCB (min) (V) 1.65 VCCB (max) (V) 3.6
Supply restrictions No rule Rating Catalog
Operating temperature range (°C) -40 to 125 Product Category Interface - Signal Buffers, Repeaters
Product Buffers Interface Type I2C, SMBus
Propagation Delay Time 20 ns, 110 ns Maximum Clock Frequency 400 kHz
Supply Voltage - Max 3.6 V, 3.6 V Supply Voltage - Min 800 mV, 1.65 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Mounting Style SMD/SMT Data Rate -
Input Type Open Drain Number of Channels 2 Channel
Operating Supply Current 34 uA Operating Supply Voltage 800 mV to 3.6 V, 1.65 V to 3.6 V
Output Type Open Drain Product Type Signal Buffers, Repeaters
Series TCA9802 Factory Pack Quantity 2500
Subcategory Interface ICs Type I2C Bus
Unit Weight 0.000705 oz

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