Overview
The SN65LBC184DG4 is a differential data line transceiver produced by Texas Instruments. This component is designed to meet the standards of RS422 and RS485 protocols, making it suitable for various industrial and communication applications. It features a half-duplex configuration and is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. The transceiver includes built-in protection against high-energy noise transients and overvoltage, enhancing its reliability in noisy environments.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| IC Type | Line Transceiver IC |
| Input Type | Differential |
| Number of Transmitters | 1 |
| Mounting Type | Surface Mount |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
| Pin Count | 8 |
| Receiver Signal Type | Differential |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Data Rate | 250kbps |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Receiver Hysteresis | 70mV |
| Dimensions | 4.9 x 3.91 x 1.58mm |
Key Features
- Integrated transient voltage suppression and ESD protection for bus terminals (±30kV IEC 61000-4-2, contact and air-gap discharge)
- Circuit damage protection against high-energy noise transients (400W peak typical)
- Controlled driver output-voltage slew rates allowing longer cable stub lengths
- Open-circuit fail-safe receiver design
- 1/4 unit load, allowing up to 128 devices connected on the bus
- Thermal shutdown protection and power-up/power-down glitch protection
- Low disabled supply current (300µA maximum)
- Pin compatible with SN75176
Applications
- Industrial networks
- Utility meters
- Motor control
Q & A
- What is the SN65LBC184DG4 used for?
The SN65LBC184DG4 is a differential data line transceiver used in applications requiring RS422 and RS485 protocol compliance, such as industrial networks, utility meters, and motor control.
- What is the package type of the SN65LBC184DG4?
The SN65LBC184DG4 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package.
- What are the operating temperature ranges for the SN65LBC184DG4?
The operating temperature range is from -40°C to +85°C.
- What is the data rate of the SN65LBC184DG4?
The data rate is 250kbps.
- Does the SN65LBC184DG4 have built-in protection against noise transients?
- How many devices can be connected on the bus using the SN65LBC184DG4?
Up to 128 devices can be connected on the bus due to its 1/4 unit load capability.
- Is the SN65LBC184DG4 pin compatible with other transceivers?
- What is the supply voltage range for the SN65LBC184DG4?
The supply voltage range is from 4.75 V to 5.25 V.
- Does the SN65LBC184DG4 have thermal shutdown protection?
- What is the maximum disabled supply current of the SN65LBC184DG4?
The maximum disabled supply current is 300µA.
