PCA9306DCTR
Dual bidirectional voltage level translators for I2C and SMBus applications
Manufacturer： ['rochester', 'ti']
series introduction
# PCA9306DCTR Product Series Introduction
## 1. Overview
The PCA9306DCTR is a highly versatile and reliable product series offered by NXP Semiconductors. It belongs to the category of I2C-bus and SMBus level translators, which play a crucial role in modern electronic systems by enabling seamless communication between different voltage domains. This product series is designed to meet the requirements of a wide range of applications, from consumer electronics to industrial automation, by providing efficient and robust level translation capabilities.
## 2. Key Features
### 2.1 Bidirectional Level Translation
One of the most significant features of the PCA9306DCTR is its bidirectional level translation functionality. It can automatically detect the direction of data flow on the I2C or SMBus and translate the voltage levels accordingly. This means that it can interface devices operating at different voltage levels, such as a 3.3V microcontroller communicating with a 5V peripheral device, without the need for complex external circuitry.
### 2.2 Wide Voltage Range Support
The PCA9306DCTR supports a wide range of supply voltages. The VCCA and VCCB pins can operate from 1.65V to 5.5V, allowing it to be used in various systems with different power supply requirements. This flexibility makes it suitable for use in both low - power and high - power applications.
### 2.3 Low Power Consumption
In today's energy - conscious world, low power consumption is a critical factor. The PCA9306DCTR is designed with low power in mind. It has a very low quiescent current, which helps to minimize power dissipation in the system. This is especially important for battery - powered devices, where every bit of power savings can extend the battery life.
### 2.4 High - Speed Operation
The product series supports high - speed I2C and SMBus communication. It can operate at speeds up to 1MHz, which is sufficient for most modern applications that require fast data transfer between devices. This high - speed operation ensures that data can be transferred quickly and efficiently, reducing the overall system latency.
### 2.5 Automatic Direction Sensing
The PCA9306DCTR features automatic direction sensing. It can detect the direction of the data transfer on the bus and adjust the level translation accordingly. This eliminates the need for external control signals to manage the direction of translation, simplifying the system design and reducing the number of components required.
## 3. Package and Pin Configuration
### 3.1 Package Type
The PCA9306DCTR is available in a small - outline, surface - mount package. The DCTR package is a TSSOP (Thin Shrink Small Outline Package) with 8 pins. This compact package is suitable for applications where board space is limited, such as in portable devices and small - form - factor electronics.
### 3.2 Pin Configuration
- **VCCA and VCCB**: These are the power supply pins for the two voltage domains. VCCA is typically connected to the lower - voltage side of the system, while VCCB is connected to the higher - voltage side.
- **SDA1 and SCL1**: These are the data and clock lines for the first voltage domain. They are used to interface with devices operating at the voltage level of VCCA.
- **SDA2 and SCL2**: These are the data and clock lines for the second voltage domain. They are used to interface with devices operating at the voltage level of VCCB.
- **GND**: This is the ground pin, which provides the reference voltage for the entire device.
## 4. Applications
### 4.1 Consumer Electronics
In consumer
Images for reference
8-SOIC
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