Overview
The SN75176AD is a differential bus transceiver produced by Texas Instruments. It is a monolithic integrated circuit designed for bidirectional data communication on multipoint bus-transmission lines. The device is suitable for balanced transmission lines and meets ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11. It combines a 3-state differential line driver and a differential input line receiver, both operating from a single 5-V power supply. The SN75176AD is characterized for operation from 0°C to 70°C, making it versatile for various industrial and communication applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.75 to 5.25 | V |
| Operating Temperature Range | 0 to 70 | °C |
| Driver Output Current Capability | ±60 mA | mA |
| Receiver Input Impedance | 12 kΩ Min | kΩ |
| Receiver Input Sensitivity | ±200 mV | mV |
| Receiver Input Hysteresis | 50 mV Typ | mV |
| Package Type | 8-SOIC (Surface Mount) | |
| Thermal Shutdown Junction Temperature | Approximately 150°C | °C |
Key Features
- Bidirectional Transceiver
- Meets or exceeds the requirements of ANSI Standards EIA/TIA-422-B and ITU Recommendations V.11
- Designed for multipoint transmission on long bus lines in noisy environments
- 3-State Driver and Receiver Outputs
- Individual Driver and Receiver Enables
- Wide Positive and Negative Input/Output Bus Voltage Ranges
- Driver Output Capability ±60 mA Max
- Thermal-Shutdown Protection
- Driver Positive-Current Limiting and Negative-Current Limiting
- Receiver Input Impedance 12 kΩ Min
- Receiver Input Sensitivity ±200 mV
- Receiver Input Hysteresis 50 mV Typ
- Operates From Single 5-V Supply
- Lower Power Requirements
Applications
- Low Speed RS485 communication (5 Mbps or less)
- Multipoint transmission on long bus lines in noisy environments
- Party-line applications due to wide positive and negative common-mode voltage ranges
- Transmission-line applications employing the SN75172, SN75174 quadruple differential line drivers and SN75173, SN75175 quadruple differential line receivers
Q & A
- What is the operating temperature range of the SN75176AD?
The operating temperature range is from 0°C to 70°C.
- What are the supply voltage requirements for the SN75176AD?
The supply voltage (VCC) ranges from 4.75 V to 5.25 V.
- What are the key standards that the SN75176AD complies with?
The SN75176AD meets or exceeds the requirements of ANSI Standards EIA/TIA-422-B and ITU Recommendations V.11.
- What is the maximum current capability of the driver output?
The driver can handle loads up to ±60 mA of sink or source current.
- What is the input impedance of the receiver?
The receiver input impedance is a minimum of 12 kΩ.
- What is the input sensitivity of the receiver?
The receiver input sensitivity is ±200 mV.
- Does the SN75176AD have thermal protection?
Yes, the device features thermal shutdown protection at approximately 150°C junction temperature.
- What type of package is the SN75176AD available in?
The SN75176AD is available in an 8-SOIC (Surface Mount) package.
- Can the driver and receiver be individually enabled or disabled?
Yes, the driver and receiver have active-high and active-low enables, respectively, and can be individually enabled or disabled.
- What are some typical applications of the SN75176AD?
Typical applications include low speed RS485 communication, multipoint transmission on long bus lines, and party-line applications.
- Is the SN75176AD lead-free and ROHS compliant?
Yes, the SN75176AD is lead-free and ROHS compliant.
