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TCA9406DCTR

Texas Instruments TCA9406DCTR is a specialized interface designed for I2C, I2C Bus, and SMBus systems applications

Manufacturer:

Texas Instruments
Mfr.Part #:

TCA9406DCTR
Datasheet:

TCA9406DCTR Datasheet (PDF)
Features:

Enable pin
Frequency (max) (MHz):

1
VCCA (min) (V):

1.65
VCCA (max) (V):

3.6
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TCA9406DCTR General Description

The TCA9406DCTR is a 6-bit dual supply translating FET bus switch designed to operate as a level translator between a voltage bus and a lower voltage system. It features two separate power supplies (VCCA and VCCB) with a voltage range of 1.2V to 3.6V, allowing for bidirectional voltage translation without the use of a direction control pin. The device is capable of sinking up to 128 mA when translating from VCCA to VCCB, and sourcing up to 64 mA when translating from VCCB to VCCA.The TCA9406DCTR is I2C and SMBus compatible, making it suitable for applications where mixed voltage levels are present, such as automotive, industrial, and consumer electronics. The device is offered in a space-saving DCT package, making it ideal for compact designs. Additionally, it has integrated pull-up resistors on the I2C bus, simplifying the design process.

Key Features

The TCA9406DCTR is a dual bidirectional buffer with voltage-level translation capabilities

It operates at a supply voltage range of 1

2V to 3

6V, with 2-bit input and output ports, and a maximum data rate of 100 kHz

It also has ESD protection up to 8kV and can be used in I2C bus applications

Application

The TCA9406DCTR is a 4-bit bidirectional voltage-level translator designed for use in applications that require voltage level translation, such as in I2C interfaces, SMBus systems, and general-purpose level shifting

It is commonly used in consumer electronics, industrial automation, and communication systems

Specifications

Features	Enable pin	Frequency (max) (MHz)	1
VCCA (min) (V)	1.65	VCCA (max) (V)	3.6
VCCB (min) (V)	2.3	VCCB (max) (V)	5.5
Supply restrictions	VCCA <= VCCB	Rating	Catalog
Operating temperature range (°C)	-40 to 85