Overview
The SN65HVD01DRCR, produced by Texas Instruments, is a low-power, half-duplex RS-485 transceiver designed for applications requiring robust and reliable serial communication. This device is particularly suited for long-distance networking and can operate in a wide range of environments. It features a flexible power supply configuration, allowing it to interface directly with low-voltage FPGAs and microcontrollers. The SN65HVD01DRCR supports data rates of either 250 kbps or 20 Mbps, selectable via the SLR terminal, making it versatile for various communication needs.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage for Data and Enable (VL) | 1.65 | 3.6 | V | |
| Supply Voltage for Bus Signals (VCC) | 3.0 | 3.6 | V | |
| Operating Temperature Range | -40 | 125 | °C | |
| Driver Differential Output Voltage (|VOD|) | 1.5 | 2 | V | |
| Driver Output Current (IO) | -80 | 80 | mA | |
| Receiver Output Current (IO) | -2 | 2 | mA | |
| Differential Load Resistance (RL) | 54 | 60 | Ω | |
| Differential Load Capacitance (CL) | 50 | pF | ||
| Signaling Rate (SLR = '1') | 250 kbps | |||
| Signaling Rate (SLR = '0') | 20 Mbps | |||
| ESD Protection | ±16 kV (IEC61000-4-2) | |||
| Package Type | SON (3 mm x 3 mm) |
Key Features
- Exceeds requirements of TIA-485 standard
- Flexible I/O supply: 1.65-V to 3.6-V for data and enable signals, 3-V to 3.6-V for bus signals
- Selectable data rates: 250 kbps or 20 Mbps via SLR pin
- Internal ESD protection: ±16 kV IEC61000-4-2, ±4 kV IEC61000-4-4
- Failsafe receiver: maintains logic high output in bus open, shorted, or idle conditions
- Small 3 mm x 3 mm SON package
- Operating temperature range: –40°C to 125°C
- Bus-pin protection: more than ±15 kV HBM, ±16 kV IEC61000-4-2 contact and air discharge
Applications
- Telecom infrastructure
- High-speed data links
- Low-voltage microcontroller communication
- Industrial automation and control systems
- Long-distance serial communication networks
Q & A
- What is the SN65HVD01DRCR?
The SN65HVD01DRCR is a low-power, half-duplex RS-485 transceiver produced by Texas Instruments.
- What are the selectable data rates for the SN65HVD01DRCR?
The device supports data rates of either 250 kbps or 20 Mbps, selectable via the SLR terminal.
- What is the operating temperature range of the SN65HVD01DRCR?
The device operates over a temperature range from –40°C to 125°C.
- What kind of ESD protection does the SN65HVD01DRCR have?
The device has internal ESD protection up to ±16 kV according to IEC61000-4-2 and ±4 kV according to IEC61000-4-4.
- What is the package type of the SN65HVD01DRCR?
The device is available in a small 3 mm x 3 mm SON package.
- Does the SN65HVD01DRCR have failsafe receiver functionality?
Yes, the device features a failsafe receiver that maintains a logic high output in bus open, shorted, or idle conditions.
- What are some typical applications for the SN65HVD01DRCR?
Typical applications include telecom infrastructure, high-speed data links, low-voltage microcontroller communication, and industrial automation.
- How does the SN65HVD01DRCR protect against bus faults?
The device has bus-pin protection exceeding ±15 kV HBM and ±16 kV IEC61000-4-2 contact and air discharge.
- Can the SN65HVD01DRCR support multi-point applications?
Yes, the device can support up to 256 nodes on a bus due to its 1/8th unit load capability.
- What is the significance of the SLR pin in the SN65HVD01DRCR?
The SLR pin allows for the selection of the data rate between 250 kbps and 20 Mbps.
