Texas Instruments SN75176BDR Differential Bus Transceiver
Texas Instruments SN75176BDR Product Overview
The SN75176BDR is a differential bus transceiver from Texas Instruments, designed for bidirectional data communication on multipoint bus transmission lines. It is engineered for balanced transmission lines and meets ANSI standards TIA/EIA-422-B and TIA/EIA-485-A, as well as ITU recommendations V.11 and X.27 . Housed in a standard 8-pin SOIC package, the device integrates a 3-state differential line driver and a differential input line receiver, both powered from a single 5 V supply .
The device operates in half-duplex mode and supports data rates up to 10 Mbps. The driver outputs and receiver inputs are internally connected to form differential I/O bus ports. The driver features positive and negative current limiting and thermal shutdown protection for line-fault conditions . The receiver offers ±200 mV input sensitivity with 50 mV typical hysteresis for noise immunity . Supply voltage range is 4.75 V to 5.25 V and operating temperature is 0 °C to +70 °C . Mass is approximately 0.08 g.
Texas Instruments SN75176BDR Key Specifications
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Parameter |
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Protocol |
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Duplex mode |
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Data rate |
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Drivers / Receivers |
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Supply voltage (VCC) |
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Receiver input sensitivity |
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Receiver input hysteresis |
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Receiver input impedance |
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Driver output current |
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Thermal shutdown |
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Operating temp (TA) |
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Package |
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Mounting |
Texas Instruments SN75176BDR Key Advantages
The SN75176BDR delivers 10 Mbps data rates and robust RS-485 communication in a standard SOIC-8 package. The half-duplex design with internal connection between driver output and receiver input minimizes external routing. The ±200 mV receiver sensitivity with 50 mV hysteresis ensures reliable data reception in noisy environments . The device supports up to 32 nodes on a bus , and individual driver/receiver enables provide flexible direction control . Thermal shutdown and current limiting protect the device from bus contention and fault conditions . Wide -7 V to +12 V common-mode range supports party-line applications .
Texas Instruments SN75176BDR Typical Applications
Industrial automation and programmable logic controllers (PLCs)
Building automation and HVAC control systems
Point-of-sale (POS) terminals and peripherals
Data acquisition systems and instrumentation
Motor control and drives communication
Long-distance data transmission in factory environments
Why Choose the Texas Instruments SN75176BDR?
The SN75176BDR combines 10 Mbps data rate, RS-485/RS-422 compliance, single 5 V supply operation, and robust protection features in an industry-standard SOIC-8 package. Manufactured by Texas Instruments, it delivers reliable and cost-effective communication for industrial and commercial applications. The SN75176B series offers proven performance with 32-node bus capability and ±60 mA driver output, making it a trusted choice for engineers requiring dependable serial communication in electrically noisy environments .
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