Overview
The SN75HVD11DR is a 3.3-V differential transceiver designed for RS-485 communication, manufactured by Texas Instruments. This device is part of the SNx5HVD1x series and is known for its robust features and reliability in various industrial and commercial applications. It operates with a 3.3-V supply voltage and is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for a wide range of applications requiring reliable and high-speed data transmission.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Supply Voltage | Nominal supply voltage | 3.3 V |
| Operating Temperature Range | Temperature range for operation | 0°C to 70°C |
| Signaling Rate (Max) | Maximum signaling rate | 10 Mbps |
| Bus-pin ESD Protection | Electrostatic discharge protection for bus pins | 16-kV HBM |
| Common Mode Range | Range of common mode voltage | -7 V to 12 V |
| Number of Nodes | Maximum number of nodes on the bus | 256 |
| Package Type | Type of package | SOIC-8 |
| RoHS Compliance | Compliance with Restriction of Hazardous Substances directive | Yes |
Key Features
- Operates with a 3.3-V supply voltage.
- 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 the requirements of ANSI TIA/EIA-485-A.
- 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 nominal supply voltage of the SN75HVD11DR?
The nominal supply voltage is 3.3 V.
- What is the maximum signaling rate of the SN75HVD11DR?
The maximum signaling rate is 10 Mbps.
- How many nodes can be supported on the bus with the SN75HVD11DR?
Up to 256 nodes can be supported on the bus.
- What is the operating temperature range of the SN75HVD11DR?
The operating temperature range is from 0°C to 70°C.
- Does the SN75HVD11DR have ESD protection?
Yes, it has bus-pin ESD protection exceeding 16-kV HBM.
- What type of package is the SN75HVD11DR available in?
The SN75HVD11DR is available in an 8-pin SOIC package.
- Is the SN75HVD11DR RoHS compliant?
Yes, it is RoHS compliant.
- What kind of fail-safe features does the SN75HVD11DR have?
The device has open-circuit, idle-bus, and shorted-bus fail-safe receiver features.
- Does the SN75HVD11DR support hot-plugging applications?
Yes, it has glitch-free power-up and power-down protection for hot-plugging applications.
- What are some common applications of the SN75HVD11DR?
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.
