Overview
The SN65HVD33MDREP is a 3.3-V full-duplex RS-485 driver and receiver manufactured by Texas Instruments. This device operates with a 3-V power supply and is designed for balanced transmission lines, complying with ANSI TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11, and ISO 8482:1993 standards. It features separate input and output pins for full-duplex bus communication and is characterized for operation over a temperature range of –55°C to 125°C, making it suitable for various industrial and commercial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3 to 3.6 | V |
| Operating Temperature Range | –55 to 125 | °C |
| Signaling Rate | Up to 25 Mbps | bps |
| Differential Load Resistance | 54 to 60 | Ω |
| High-Level Output Current | –60 mA | mA |
| Low-Level Output Current | 60 mA | mA |
| Propagation Delay Time (Driver) | 4 to 23 ns | ns |
| Propagation Delay Time (Receiver) | 26 to 60 ns | ns |
| Package Type | SOIC (14 pins) | |
| Package Size | 8.65 mm x 3.91 mm | mm |
Key Features
- 1/8 Unit-Load Option Available (up to 256 nodes on the bus)
- Bus-Pin ESD Protection Exceeds 15 kV HBM
- Optional Driver Output Transition Times for Signaling Rates of 1 Mbps, 5 Mbps, and 25 Mbps
- Low-Current Standby Mode: <1 µA
- Glitch-Free Power-Up and Power-Down Protection for Hot-Plugging Applications
- 5-V Tolerant Inputs
- Bus Idle, Open, and Short-Circuit Fail Safe
- Driver Current Limiting and Thermal Shutdown
- Active-High Driver Enables and Active-Low Receiver Enables
Applications
- Utility Meters
- DTE and DCE Interfaces
- Industrial, Process, and Building Automation
- Point-of-Sale (POS) Terminals and Networks
- Controlled Baseline and Extended Product Life Cycle Applications
Q & A
- What is the operating temperature range of the SN65HVD33MDREP?
The operating temperature range is from –55°C to 125°C.
- What are the signaling rates supported by the SN65HVD33MDREP?
The device supports signaling rates of 1 Mbps, 5 Mbps, and up to 25 Mbps.
- What is the supply voltage range for the SN65HVD33MDREP?
The supply voltage range is from 3 V to 3.6 V.
- Does the SN65HVD33MDREP have ESD protection?
- What is the standby current of the SN65HVD33MDREP?
The standby current is less than 1 µA when both the driver and receiver are disabled.
- Is the SN65HVD33MDREP compatible with RS-485 and RS-422 standards?
- What is the package type and size of the SN65HVD33MDREP?
The package type is SOIC with 14 pins, and the size is 8.65 mm x 3.91 mm.
- Does the SN65HVD33MDREP have driver current limiting and thermal shutdown features?
- What are some typical applications of the SN65HVD33MDREP?
Typical applications include utility meters, DTE and DCE interfaces, industrial automation, and point-of-sale terminals.
- Does the SN65HVD33MDREP support hot-plugging applications?
