圖片僅供參考
規格
| 屬性 | 價值 |
| Mounting Type | SMD/SMT |
| Package / Case | SC-70-6 |
| Brand | Texas Instruments |
| Product Type | Op Amps - Operational Amplifiers |
| Subcategory | Amplifier ICs |
| Number of Channels | 1 Channel |
| Ib - Input Bias Current | 50 pA |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 2.4 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Vos - Input Offset Voltage | 2.4 mV |
| Height | 0.9 mm |
| Length | 2 mm |
| Width | 1.25 mm |
| Unit Weight | 0.000988 oz |
| Current - Supply | 11.5 mA |
| en - Input Voltage Noise Density | 10 nV/sqrt Hz |
| Shutdown | Shutdown |
| PSRR - Power Supply Rejection Ratio | 55 dB |
| Supply Type | Single |
| Amplifier Type | Voltage Feedback Amplifier |
| SR - Slew Rate | 275 V/us |
| Voltage Gain d B | 66 dB |
| In - Input Noise Current Density | 0.05 pA/sqrt Hz |
| Operating Supply Voltage | 3 V, 5 V |
| Technology | CMOS |
| GBP - Gain Bandwidth Product | 155 MHz |
| Type | Voltage Feedback Amplifiers |
概述
Description
The PCA82C251 is a specialized integrated circuit designed for the Controller Area Network (CAN) protocol, an essential communication standard used in automotive and industrial applications. It serves as a bridge between the CAN protocol and the microcontroller, enabling effective data transmission and reception.
Key features of the PCA82C251 include its ability to handle high-speed data rates (up to 1 Mbps), support for both standard and extended CAN frames, and built-in fault detection mechanisms. It operates in conjunction with a CAN transceiver, which converts the digital signals into differential signals suitable for CAN bus transmission.
The device features a simple serial interface, allowing easy integration into various microcontroller systems. The PCA82C251 also incorporates a variety of operational modes, including sleep and listen-only modes, enhancing flexibility and power efficiency.
In summary, the PCA82C251 is a crucial component for implementing CAN communication in embedded systems, ensuring reliable and efficient data exchange in real-time applications.
Key features of the PCA82C251 include its ability to handle high-speed data rates (up to 1 Mbps), support for both standard and extended CAN frames, and built-in fault detection mechanisms. It operates in conjunction with a CAN transceiver, which converts the digital signals into differential signals suitable for CAN bus transmission.
The device features a simple serial interface, allowing easy integration into various microcontroller systems. The PCA82C251 also incorporates a variety of operational modes, including sleep and listen-only modes, enhancing flexibility and power efficiency.
In summary, the PCA82C251 is a crucial component for implementing CAN communication in embedded systems, ensuring reliable and efficient data exchange in real-time applications.
Equivalent
Equivalent products to the PCA82C251 include:
1. TJA1050
2. MCP2551
3. SN65HVD251
4. ISO1042
5. MCP2552
These chips are used in CAN (Controller Area Network) applications and offer similar functionalities in terms of CAN bus communication and transceiver capabilities. Always check the specific datasheets for compatibility details.
1. TJA1050
2. MCP2551
3. SN65HVD251
4. ISO1042
5. MCP2552
These chips are used in CAN (Controller Area Network) applications and offer similar functionalities in terms of CAN bus communication and transceiver capabilities. Always check the specific datasheets for compatibility details.
Features
The PCA82C251 is a high-speed CAN (Controller Area Network) transceiver designed for automotive and industrial applications. Key features include:
1. CAN Protocol Support: Compatible with both standard (11-bit) and extended (29-bit) identifiers.
2. High-Speed Operation: Supports data rates up to 1 Mbps.
3. Low Power Consumption: Features low-power standby mode for energy efficiency.
4. Fault Tolerance: Robust against common mode voltage and can operate in harsh environments.
5. Thermal Protection: Integrated thermal shutdown to prevent overheating.
6. Wide Supply Voltage Range: Operates from 4.5V to 5.5V, accommodating various supply conditions.
7. Transmitter and Receiver: Built-in differential transmitter and receiver for reliable communication.
8. Bus Fault Protection: Provides protection from bus shorts and transceiver output short-circuits.
Overall, the PCA82C251 is designed for enhanced reliability and performance in networked communications.
1. CAN Protocol Support: Compatible with both standard (11-bit) and extended (29-bit) identifiers.
2. High-Speed Operation: Supports data rates up to 1 Mbps.
3. Low Power Consumption: Features low-power standby mode for energy efficiency.
4. Fault Tolerance: Robust against common mode voltage and can operate in harsh environments.
5. Thermal Protection: Integrated thermal shutdown to prevent overheating.
6. Wide Supply Voltage Range: Operates from 4.5V to 5.5V, accommodating various supply conditions.
7. Transmitter and Receiver: Built-in differential transmitter and receiver for reliable communication.
8. Bus Fault Protection: Provides protection from bus shorts and transceiver output short-circuits.
Overall, the PCA82C251 is designed for enhanced reliability and performance in networked communications.
Pinout
The PCA82C251 is a CAN (Controller Area Network) transceiver with a pin count of 8.
### Pin Functions:
1. VIO (Pin 1): IO voltage supply.
2. VCC (Pin 2): Supply voltage for the transceiver.
3. GND (Pin 3): Ground reference.
4. TXD (Pin 4): Transmit data input from the CAN controller.
5. RXD (Pin 5): Receive data output to the CAN controller.
6. CS (Pin 6): Chip Select for enabling the transceiver.
7. CANH (Pin 7): High-level CAN bus connection.
8. CANL (Pin 8): Low-level CAN bus connection.
The PCA82C251 is designed to facilitate communication over the CAN bus, handling the physical layer requirements and ensuring reliable data transmission between nodes.
### Pin Functions:
1. VIO (Pin 1): IO voltage supply.
2. VCC (Pin 2): Supply voltage for the transceiver.
3. GND (Pin 3): Ground reference.
4. TXD (Pin 4): Transmit data input from the CAN controller.
5. RXD (Pin 5): Receive data output to the CAN controller.
6. CS (Pin 6): Chip Select for enabling the transceiver.
7. CANH (Pin 7): High-level CAN bus connection.
8. CANL (Pin 8): Low-level CAN bus connection.
The PCA82C251 is designed to facilitate communication over the CAN bus, handling the physical layer requirements and ensuring reliable data transmission between nodes.
Manufacturer
The PCA82C251 is manufactured by NXP Semiconductors, a global semiconductor company. NXP is known for its innovative solutions in a range of applications, including automotive, security, and the Internet of Things (IoT). The PCA82C251 is a CAN transceiver, which facilitates communication in Controller Area Network (CAN) systems widely used in automotive and industrial applications.
NXP Semiconductors was formed in 2006 as a spin-off from Philips Electronics and has since established itself as a leader in the semiconductor industry. The company focuses on developing high-performance mixed-signal and standard product solutions, emphasizing connectivity and processing capabilities. NXP's products cater to various sectors including automotive, mobile, industrial, and smart home markets, highlighting their role in enabling secure connectivity and efficient communication in advanced technology systems.
Overall, NXP Semiconductors is recognized for its contributions to the development of smart, connected solutions in various domains, making it a key player in the global electronics market.
NXP Semiconductors was formed in 2006 as a spin-off from Philips Electronics and has since established itself as a leader in the semiconductor industry. The company focuses on developing high-performance mixed-signal and standard product solutions, emphasizing connectivity and processing capabilities. NXP's products cater to various sectors including automotive, mobile, industrial, and smart home markets, highlighting their role in enabling secure connectivity and efficient communication in advanced technology systems.
Overall, NXP Semiconductors is recognized for its contributions to the development of smart, connected solutions in various domains, making it a key player in the global electronics market.
Application
The PCA82C251 is a high-speed CAN (Controller Area Network) transceiver used in various applications. Its primary areas include automotive systems for communication between electronic control units, industrial automation for real-time data exchange, and medical devices for reliable networking. It is also utilized in building automation, robotics for inter-device communication, and in the maritime industry for networking between instruments. The PCA82C251 enables robust communication in environments with electrical noise, making it ideal for critical applications requiring high reliability and efficiency.
Package
The PCA82C251 is typically available in a DIP (Dual In-line Package) and a TSSOP (Thin Shrink Small Outline Package) form factor.