Model No: SN65HVD1781DR
Texas Instruments SN65HVD1781DR
Manufacturer: Texas Instruments
SEMICON NO.: SN65HVD1781DR
Package: 8-SOIC
Stock: In stock
Description: TRANSCEIVER HALF 1/1 8SOIC
SEMICON NO.: SN65HVD1781DR
Package: 8-SOIC
Stock: In stock
Description: TRANSCEIVER HALF 1/1 8SOIC
Quantity :
| Mfr | Texas Instruments |
| Product Type | RS-485/RS-422 Transceiver |
| Supply Voltage (Vcc) | 3.0 V to 3.6 V |
| Supply Current (Icc) | 10 mA (Active, Typical), 1 µA (Shutdown, Typical) |
| Data Rate | 20 Mbps (Mega Bits per Second) |
| Number of Drivers / Receivers | 1 Driver, 1 Receiver |
| Duplex | Full-Duplex |
| ESD Protection (IEC 61000-4-2) | ±16 kV (Contact & Air-Gap Discharge) |
| Bus Fault Protection | ±70 V (on A/B bus pins) |
| Receiver Input Sensitivity | ±200 mV |
| Receiver Input Resistance | 96 kΩ (1/4 Unit Load, Allows up to 128 nodes) |
| Common-Mode Voltage Range (Receiver) | -12 V to +12 V |
| Operating Temperature | -40°C to +85°C |
| Package | 8-SOIC |
| Mounting Type | Surface Mount (SMD/SMT) |
| Compliance | RoHS Compliant |
SN65HVD1781DR Full-Duplex RS-485 Transceiver
The SN65HVD1781DR is a high-speed, fault-protected RS-485 transceiver designed by Texas Instruments. It is specifically tailored for industrial communication applications, offering robust performance and reliability in harsh environments. This device supports data rates up to 1 Mbps, making it suitable for a wide range of applications, including HVAC networks, security electronics, building automation, telecommunication equipment, motion control, and industrial networks.
The SN65HVD1781DR features ±70V fault protection on the bus pins, ensuring robustness against overvoltage conditions such as direct short circuits and connector faults. It operates within a wide supply voltage range of 3.3V to 5V, providing flexibility in power supply options. The device also includes ±16kV ESD protection on the bus pins, adhering to the IEC 60749-26 standard, which enhances its durability in electrically noisy environments. Additionally, it offers low power consumption with a maximum standby current of 1μA and an operating static current of 4mA.
Applications
The SN65HVD1781DR is widely used in various industrial and commercial applications:
1. HVAC Networks: It enables reliable communication between controllers and sensors, handling temperature, airflow, and other environmental data.
2. Security Electronics: Facilitates data transmission between devices like cameras, alarms, and control panels, ensuring uninterrupted monitoring.
3. Building Automation: Used for lighting, access control, and energy management, allowing smooth interaction between different devices.
4. Telecommunication Equipment: Supports high-speed data transfer across network lines with strong fault protection.
5. Motion Control: Ideal for managing precise movements and positioning in industrial automation systems.
6. Industrial Networks: Ensures secure data sharing between machinery and control systems, withstanding demanding industrial environments.
AlternativeTransceiver ICModels
● SN65HVD1780: A lower-speed variant with a maximum data rate of 115kbps, suitable for applications with less demanding data transfer requirements.
● SN65HVD1782: A higher-speed version supporting up to 10Mbps, ideal for applications requiring faster data communication.
● SN75176: An industry-standard RS-485 transceiver that the SN65HVD1781DR is pin-compatible with, offering a direct upgrade path for existing systems.
The SN65HVD1781DR is a high-speed, fault-protected RS-485 transceiver designed by Texas Instruments. It is specifically tailored for industrial communication applications, offering robust performance and reliability in harsh environments. This device supports data rates up to 1 Mbps, making it suitable for a wide range of applications, including HVAC networks, security electronics, building automation, telecommunication equipment, motion control, and industrial networks.
The SN65HVD1781DR features ±70V fault protection on the bus pins, ensuring robustness against overvoltage conditions such as direct short circuits and connector faults. It operates within a wide supply voltage range of 3.3V to 5V, providing flexibility in power supply options. The device also includes ±16kV ESD protection on the bus pins, adhering to the IEC 60749-26 standard, which enhances its durability in electrically noisy environments. Additionally, it offers low power consumption with a maximum standby current of 1μA and an operating static current of 4mA.
Applications
The SN65HVD1781DR is widely used in various industrial and commercial applications:
1. HVAC Networks: It enables reliable communication between controllers and sensors, handling temperature, airflow, and other environmental data.
2. Security Electronics: Facilitates data transmission between devices like cameras, alarms, and control panels, ensuring uninterrupted monitoring.
3. Building Automation: Used for lighting, access control, and energy management, allowing smooth interaction between different devices.
4. Telecommunication Equipment: Supports high-speed data transfer across network lines with strong fault protection.
5. Motion Control: Ideal for managing precise movements and positioning in industrial automation systems.
6. Industrial Networks: Ensures secure data sharing between machinery and control systems, withstanding demanding industrial environments.
AlternativeTransceiver ICModels
● SN65HVD1780: A lower-speed variant with a maximum data rate of 115kbps, suitable for applications with less demanding data transfer requirements.
● SN65HVD1782: A higher-speed version supporting up to 10Mbps, ideal for applications requiring faster data communication.
● SN75176: An industry-standard RS-485 transceiver that the SN65HVD1781DR is pin-compatible with, offering a direct upgrade path for existing systems.
