規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| TranslatorType | Voltage Level |
| ChannelType | Bidirectional |
| NumberofCircuits | 1 |
| ChannelsperCircuit | 2 |
| Voltage-VCCA | 1.2 V ~ 3.3 V |
| Voltage-VCCB | 1.8 V ~ 5.5 V |
| OutputType | Open Drain, Push-Pull |
| OperatingTemperature | -40°C ~ 105°C (TA) |
| Features | Auto-Direction Sensing |
| MountingType | Surface Mount |
| Package/Case | 8-LSSOP, 8-MSOP (0.110, 2.80mm Width) |
概述
Description
The PCA9306DCTR is a dual bidirectional voltage-level translator designed for open-drain systems, commonly used to facilitate communication between devices operating at different voltage levels. It features two bidirectional channels that allow for low-voltage bidirectional translation between I²C-bus and SMBus systems. This device supports voltage level translation between 1.0 V to 3.6 V on the low-voltage side (Vref1) and 1.8 V to 5.5 V on the high-voltage side (Vref2).
Key features include support for up to 400 kHz I²C and SMBus frequencies, making it suitable for high-speed data transfer applications. Its open-drain architecture ensures compatibility with a wide range of I²C and SMBus devices without requiring additional pull-up resistors, though external pull-up resistors are recommended for optimal operation.
Housed in a small, surface-mount package, the PCA9306DCTR is ideal for space-constrained applications, such as smartphones, laptops, and embedded systems, where interfacing between different voltage domains is crucial. It is widely used in consumer electronics, automotive, and industrial applications for reliable and efficient voltage-level translation.
Key features include support for up to 400 kHz I²C and SMBus frequencies, making it suitable for high-speed data transfer applications. Its open-drain architecture ensures compatibility with a wide range of I²C and SMBus devices without requiring additional pull-up resistors, though external pull-up resistors are recommended for optimal operation.
Housed in a small, surface-mount package, the PCA9306DCTR is ideal for space-constrained applications, such as smartphones, laptops, and embedded systems, where interfacing between different voltage domains is crucial. It is widely used in consumer electronics, automotive, and industrial applications for reliable and efficient voltage-level translation.
Equivalent
The PCA9306DCTR is a dual bidirectional I2C voltage-level translator. Equivalent products include:
1. TXS0102 from Texas Instruments
2. TCA9517 from Texas Instruments
3. LSF0102 from Texas Instruments
4. MAX3378E from Maxim Integrated
5. BSS138-based level shifters (discrete solution)
These alternatives perform similar voltage translation functions for I2C and other open-drain interfaces. Always verify pin compatibility and electrical specifications when considering replacements.
1. TXS0102 from Texas Instruments
2. TCA9517 from Texas Instruments
3. LSF0102 from Texas Instruments
4. MAX3378E from Maxim Integrated
5. BSS138-based level shifters (discrete solution)
These alternatives perform similar voltage translation functions for I2C and other open-drain interfaces. Always verify pin compatibility and electrical specifications when considering replacements.
Features
The PCA9306DCTR is a dual bidirectional I2C and SMBus voltage-level translator optimized for open-drain and push-pull applications. Key features include:
1. Voltage Level Translation: Supports voltage translation between 1.0 V to 3.6 V on the low side and 1.8 V to 5.5 V on the high side, making it versatile for different voltage requirements.
2. Bidirectional Communication: Automatically senses the direction of the data flow without needing a direction pin, facilitating seamless bidirectional communication.
3. High-Speed I2C Support: Capable of supporting I2C bus speeds up to 400 kHz, suitable for high-speed applications.
4. Low Propagation Delay: Ensures minimal signal delay, providing efficient communication between devices.
5. Dual Channel: Supports two independent bidirectional channels, allowing for easy integration into multi-channel applications.
6. Small Package: Available in small package sizes (like the 8-pin VSSOP), ideal for space-constrained applications.
7. Low Power Consumption: Consumes minimal power, enhancing battery life in portable devices.
These features make the PCA9306DCTR an excellent choice for interfacing devices with different voltage levels in a variety of electronic systems.
1. Voltage Level Translation: Supports voltage translation between 1.0 V to 3.6 V on the low side and 1.8 V to 5.5 V on the high side, making it versatile for different voltage requirements.
2. Bidirectional Communication: Automatically senses the direction of the data flow without needing a direction pin, facilitating seamless bidirectional communication.
3. High-Speed I2C Support: Capable of supporting I2C bus speeds up to 400 kHz, suitable for high-speed applications.
4. Low Propagation Delay: Ensures minimal signal delay, providing efficient communication between devices.
5. Dual Channel: Supports two independent bidirectional channels, allowing for easy integration into multi-channel applications.
6. Small Package: Available in small package sizes (like the 8-pin VSSOP), ideal for space-constrained applications.
7. Low Power Consumption: Consumes minimal power, enhancing battery life in portable devices.
These features make the PCA9306DCTR an excellent choice for interfacing devices with different voltage levels in a variety of electronic systems.
Pinout
The PCA9306DCTR is a dual bidirectional I2C-bus and SMBus voltage-level translator. It is designed to allow bidirectional voltage-level translation and operates at different voltage ranges. The IC is commonly used to interface between I2C devices operating at different voltage levels.
The PCA9306DCTR comes in an 8-pin package. The key pins and their functions are as follows:
1. VREF1 (Pin 1): Low voltage side reference supply voltage.
2. EN (Pin 2): Enable pin; when high, the translator is enabled.
3. L1 (Pin 3): Low voltage side I2C-bus data signal.
4. L2 (Pin 4): Low voltage side I2C-bus clock signal.
5. H2 (Pin 5): High voltage side I2C-bus clock signal.
6. H1 (Pin 6): High voltage side I2C-bus data signal.
7. GND (Pin 7): Ground reference for the device.
8. VREF2 (Pin 8): High voltage side reference supply voltage.
This device is typically used to connect I2C devices that have different supply voltages, ensuring proper logic level shifting between them.
The PCA9306DCTR comes in an 8-pin package. The key pins and their functions are as follows:
1. VREF1 (Pin 1): Low voltage side reference supply voltage.
2. EN (Pin 2): Enable pin; when high, the translator is enabled.
3. L1 (Pin 3): Low voltage side I2C-bus data signal.
4. L2 (Pin 4): Low voltage side I2C-bus clock signal.
5. H2 (Pin 5): High voltage side I2C-bus clock signal.
6. H1 (Pin 6): High voltage side I2C-bus data signal.
7. GND (Pin 7): Ground reference for the device.
8. VREF2 (Pin 8): High voltage side reference supply voltage.
This device is typically used to connect I2C devices that have different supply voltages, ensuring proper logic level shifting between them.
Manufacturer
The PCA9306DCTR is manufactured by Texas Instruments (TI), a well-known technology company. TI is a global semiconductor design and manufacturing company that develops analog chips and embedded processors. Their products are used in various applications, including industrial, automotive, personal electronics, and communications equipment. Texas Instruments is renowned for its innovation and contribution to the electronics industry, with a focus on providing high-performance and energy-efficient solutions.
Application
The PCA9306DCTR is a dual bidirectional I2C-bus and SMBus voltage level translator. It is commonly used in applications where interfacing between devices with different logic levels is needed. Key application areas include:
1. Consumer Electronics: Facilitates communication between processors and peripherals like sensors or displays.
2. Industrial Automation: Used in systems that require multiple voltage domains.
3. Telecommunications: Assists in signal translation across different components.
4. Automotive Electronics: Helps in interfacing various automotive sensors and controllers.
5. Embedded Systems: Supports prototyping and development by enabling inter-device communication.
Its versatility makes it suitable for any application requiring level translation between different voltage rails.
1. Consumer Electronics: Facilitates communication between processors and peripherals like sensors or displays.
2. Industrial Automation: Used in systems that require multiple voltage domains.
3. Telecommunications: Assists in signal translation across different components.
4. Automotive Electronics: Helps in interfacing various automotive sensors and controllers.
5. Embedded Systems: Supports prototyping and development by enabling inter-device communication.
Its versatility makes it suitable for any application requiring level translation between different voltage rails.
Package
The PCA9306DCTR is a dual bidirectional I2C-bus and SMBus voltage-level translator. It comes in a small-outline transistor (SOT) package, specifically the SOT-363 (also known as SC-70) package type, which is compact and suitable for space-constrained applications.
