Overview
The SN65HVD33RHLR from Texas Instruments is a 3.3-V full-duplex RS-485 driver and receiver integrated circuit. This device is part of the SN65HVD3x family, designed to operate in harsh environments and support high-speed data transmission. It is suitable for various industrial and commercial applications requiring reliable and efficient serial communication.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | –0.3 to 6 | V |
| Signaling Rate | Up to 25 Mbps | bps |
| Operating Temperature Range | –55°C to 125°C | °C |
| Package Type | SOIC (14) | |
| Package Size | 8.65 mm x 3.91 mm | mm |
| Bus-Pin ESD Protection | Exceeds 15 kV HBM | |
| Standby Current | < 1 μA | μA |
| Propagation Delay Time (Driver) | 4 to 18 ns | ns |
| Propagation Delay Time (Receiver) | 26 to 60 ns | ns |
Key Features
- Full-duplex operation for simultaneous transmission and reception.
- Active-high driver enables and active-low receiver enables.
- Low-current standby mode: less than 1 μA.
- Glitch-free power-up and power-down protection for hot-plugging applications.
- 5-V tolerant inputs.
- Bus idle, open, and short-circuit failsafe.
- Driver current limiting and thermal shutdown.
- Compliant with ANSI TIA/EIA-485-A and RS-422 standards.
Applications
- Utility meters.
- DTE and DCE interfaces.
- Industrial, process, and building automation.
- Point-of-sale (POS) terminals and networks.
Q & A
- What is the maximum signaling rate of the SN65HVD33RHLR? The maximum signaling rate is up to 25 Mbps.
- What is the operating temperature range of the SN65HVD33RHLR? The operating temperature range is from –55°C to 125°C.
- What type of package is the SN65HVD33RHLR available in? It is available in an SOIC (14) package.
- What is the standby current of the SN65HVD33RHLR? The standby current is less than 1 μA.
- Is the SN65HVD33RHLR compliant with any industry standards? Yes, it is compliant with ANSI TIA/EIA-485-A and RS-422 standards.
- What is the bus-pin ESD protection level of the SN65HVD33RHLR? The bus-pin ESD protection exceeds 15 kV HBM.
- Does the SN65HVD33RHLR support hot-plugging? Yes, it has glitch-free power-up and power-down protection for hot-plugging applications.
- What are the typical propagation delay times for the driver and receiver? The driver propagation delay time is 4 to 18 ns, and the receiver propagation delay time is 26 to 60 ns.
- In what applications is the SN65HVD33RHLR commonly used? It is commonly used in utility meters, DTE and DCE interfaces, industrial automation, and point-of-sale terminals.
- Does the SN65HVD33RHLR have current limiting and thermal shutdown features? Yes, it includes driver current limiting and thermal shutdown features.
