Overview
The SN75176BDR, also known as the SN75176BDRE4, is a differential bus transceiver produced by Texas Instruments. This component is designed for bidirectional data communication on multipoint bus transmission lines, making it suitable for various industrial and commercial applications. It combines a 3-state differential line driver and a differential input line receiver, both operating from a single 5-V power supply. The device is compliant with ANSI standards TIA/EIA-422-B and TIA/EIA-485-A, as well as ITU Recommendations V.11 and X.27, ensuring reliable performance in noisy environments and long bus lines.
Key Specifications
| Specification | Value |
|---|---|
| Part Number | SN75176BDRE4 |
| Manufacturer | Texas Instruments |
| Description | IC DIFF BUS TRANSCEIVER 8-SOIC |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Number of Pins | 8 |
| Operating Temperature | 0°C ~ 70°C |
| Supply Voltage | 4.75V ~ 5.25V |
| Data Rate | 10 Mbps |
| Output Characteristics | 3-STATE |
| Differential Output | YES |
| Protocol | RS422, RS485 |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Receiver Hysteresis | 50 mV |
| Transmit Delay-Max | 60 ns |
| Receive Delay-Max | 35 ns |
| Driver Output Current | ±60 mA |
| Receiver Input Impedance | 12 kΩ |
| Receiver Input Sensitivity | ±200 mV |
Key Features
- Bidirectional transceivers for multipoint bus transmission lines.
- Meet or exceed ANSI standards TIA/EIA-422-B and TIA/EIA-485-A, and ITU Recommendations V.11 and X.27.
- 3-State driver and receiver outputs.
- Individual driver and receiver enables that can be connected externally to function as a direction control.
- Wide positive and negative input/output bus voltage ranges, making the device suitable for party-line applications.
- ±60-mA maximum driver output capability.
- Thermal shutdown protection and positive and negative current limiting for line-fault conditions.
- Minimum receiver input impedance of 12 kΩ and input sensitivity of ±200 mV.
- Typical receiver input hysteresis of 50 mV.
Applications
- Multipoint bus transmission lines in industrial and commercial environments.
- Party-line applications due to wide positive and negative common-mode voltage ranges.
- Transmission-line applications employing quadruple differential line drivers and receivers.
- Noisy environments and long bus lines where reliable data communication is crucial.
Q & A
- What is the primary function of the SN75176BDRE4?
The SN75176BDRE4 is a differential bus transceiver designed for bidirectional data communication on multipoint bus transmission lines.
- What standards does the SN75176BDRE4 comply with?
The device complies with ANSI standards TIA/EIA-422-B and TIA/EIA-485-A, as well as ITU Recommendations V.11 and X.27.
- What is the operating supply voltage of the SN75176BDRE4?
The operating supply voltage is 4.75V to 5.25V.
- What is the maximum data rate supported by the SN75176BDRE4?
The maximum data rate is 10 Mbps.
- What type of output characteristics does the SN75176BDRE4 have?
The device has 3-State driver and receiver outputs.
- What is the maximum driver output current of the SN75176BDRE4?
The maximum driver output current is ±60 mA.
- What is the receiver input impedance of the SN75176BDRE4?
The receiver input impedance is a minimum of 12 kΩ.
- What is the typical receiver input hysteresis of the SN75176BDRE4?
The typical receiver input hysteresis is 50 mV.
- Does the SN75176BDRE4 have thermal shutdown protection?
Yes, the device features thermal shutdown protection for line-fault conditions.
- What is the operating temperature range of the SN75176BDRE4?
The operating temperature range is 0°C to 70°C.
