Overview
The SN751177NSG4, manufactured by Texas Instruments, is a dual differential driver and receiver integrated circuit designed for RS-422/RS-485 communication applications. This IC is tailored for bidirectional data communication on multipoint bus transmission lines, particularly in noisy environments. It is widely used in industrial automation, telecommunications, and data acquisition systems due to its robust performance and compliance with industry standards.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | RS-422/RS-485 Interface IC | - | - |
| RoHS Compliance | Yes | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SO-16 | - | - |
| Data Rate | 10 | Mb/s | - |
| Number of Drivers | 2 | - | - |
| Number of Receivers | 2 | - | - |
| Operating Supply Voltage | 5 | V | - |
| Operating Supply Current | 110 | mA | - |
| Minimum Operating Temperature | -20 | °C | - |
| Maximum Operating Temperature | 85 | °C | - |
| Duplex | Full Duplex | - | - |
| Factory Pack Quantity | 2000 | - | - |
Key Features
- Complies with TIA/EIA-422-B and TIA/EIA-485-A standards.
- Designed for multipoint bus transmission in noisy environments.
- Low supply current requirement (50 mA max).
- Driver positive and negative current limiting.
- Thermal shutdown protection.
- Receiver common-mode input voltage range of -12 V to 12 V.
- High input impedance (12 kΩ min).
- Operates from a single 5 V supply.
Applications
The SN751177NSG4 is widely used in various industrial and communication applications, including:
- Industrial Automation: Facilitates reliable data transmission in harsh industrial environments.
- Telecommunications: Ensures robust communication over long distances.
- Data Acquisition Systems: Provides high-speed data transfer with minimal errors.
- Automotive Electronics: Supports communication in vehicle networks.
Q & A
1. What is the operating voltage range of the SN751177NSG4?
The SN751177NSG4 operates from a single 5 V supply.
2. Does the SN751177NSG4 support full-duplex communication?
Yes, it supports full-duplex communication.
3. What is the maximum data rate supported by this IC?
The maximum data rate is 10 Mb/s.
4. Is the SN751177NSG4 RoHS compliant?
Yes, it is RoHS compliant.
5. What is the operating temperature range of the SN751177NSG4?
It operates within a temperature range of -20°C to 85°C.
6. How many drivers and receivers are included in the SN751177NSG4?
It includes 2 drivers and 2 receivers.
7. What is the package type of the SN751177NSG4?
It comes in an SO-16 package.
8. Does the SN751177NSG4 have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
9. What standards does the SN751177NSG4 comply with?
It complies with TIA/EIA-422-B and TIA/EIA-485-A standards.
10. What is the typical input hysteresis of the receiver?
The typical input hysteresis is 50 mV.
