Overview
The SN65HVD11QD is a 3.3-V RS-485 transceiver produced by Texas Instruments. This monolithic integrated circuit is designed for bidirectional data communication on multipoint bus-transmission lines, adhering to the ANSI TIA/EIA-485-A and ISO 8482:1993 standards. It operates with a single 3.3-V power supply and features a 3-state differential line driver and a differential input line receiver. The device is suitable for various industrial and commercial applications due to its robust features and wide operating temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | –0.3 to 6 | V |
| Signaling Rate | 10 Mbps | |
| Unit Load | 1/8 | |
| Operating Temperature Range | –40°C to 125°C | °C |
| Junction Temperature | 145 °C | °C |
| Bus-Pin ESD Protection | Exceeds 16-kV HBM | |
| High-Level Output Current (Driver) | –60 mA | mA |
| Low-Level Output Current (Driver) | 60 mA | mA |
| Differential Load Resistance | 54 to 60 Ω | Ω |
| Differential Load Capacitance | 50 pF | pF |
| Thermal Shutdown Junction Temperature | 165 °C | °C |
Key Features
- Operates with a single 3.3-V power supply.
- Bus-pin ESD protection exceeds 16-kV HBM.
- 1/8 Unit-load option available, supporting up to 256 nodes on the bus.
- Optional driver output transition times for signaling rates of 1 Mbps, 10 Mbps, and 32 Mbps.
- Meets or exceeds ANSI TIA/EIA-485-A and ISO 8482:1993 standards.
- Bus-pin short-circuit protection from –7 V to 12 V.
- Low-current standby mode: 1 µA, typical.
- Open-circuit, idle-bus, and shorted-bus fail-safe receiver.
- Thermal shutdown protection.
- Glitch-free power-up and power-down protection for hot-plugging applications.
Applications
- Digital motor control.
- Utility meters.
- Chassis-to-chassis interconnects.
- Electronic security stations.
- Industrial process control.
- Building automation.
- Point-of-sale (POS) terminals and networks.
Q & A
- What is the operating voltage of the SN65HVD11QD?
The SN65HVD11QD operates with a single 3.3-V power supply. - What is the signaling rate of the SN65HVD11QD?
The signaling rate of the SN65HVD11QD is 10 Mbps. - What is the unit load capability of the SN65HVD11QD?
The SN65HVD11QD has a 1/8 unit load capability, supporting up to 256 nodes on the bus. - What is the ESD protection level of the SN65HVD11QD?
The bus-pin ESD protection of the SN65HVD11QD exceeds 16-kV HBM. - What are the operating temperature ranges for the SN65HVD11QD?
The operating temperature range for the SN65HVD11QD is –40°C to 125°C. - Does the SN65HVD11QD have thermal shutdown protection?
Yes, the SN65HVD11QD features thermal shutdown protection. - What is the typical standby current of the SN65HVD11QD?
The typical standby current of the SN65HVD11QD is 1 µA. - Is the SN65HVD11QD suitable for hot-plugging applications?
Yes, the SN65HVD11QD provides glitch-free power-up and power-down protection for hot-plugging applications. - What standards does the SN65HVD11QD comply with?
The SN65HVD11QD meets or exceeds ANSI TIA/EIA-485-A and ISO 8482:1993 standards. - What are some common applications of the SN65HVD11QD?
Common applications include digital motor control, utility meters, chassis-to-chassis interconnects, electronic security stations, industrial process control, building automation, and POS terminals and networks.
