Overview
The SN75HVD1176D is a half-duplex differential transceiver designed and optimized for use in PROFIBUS (EN 50170) applications. This device, manufactured by Texas Instruments, is part of the SNx5HVD1176 family and is suitable for high-speed data transmission up to 40 Mbps. The transceiver meets or exceeds the requirements of the ANSI standard TIA/EIA-485-A (RS-485) for differential data transmission across twisted-pair networks. It is characterized for operation at temperatures from 0°C to 70°C, making it versatile for various industrial and communication systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature Range | 0°C to 70°C |
| Supply Voltage | 4.75 V ~ 5.25 V |
| Data Rate | Up to 40 Mbps |
| Duplex | Half-Duplex |
| Protocol | RS-422, RS-485 |
| Number of Drivers/Receivers | 1/1 |
| Receiver Hysteresis | 40 mV |
| Bus Capacitance | 10 pF (Max) |
| ESD Protection | ±10-kV HBM |
| Mounting Type | Surface Mount |
Key Features
- Optimized for PROFIBUS networks with signaling rates up to 40 Mbps.
- Differential output exceeds 2.1 V with a 54-Ω load, meeting PROFIBUS requirements.
- Low bus capacitance of 10 pF (Max) for low signal distortion.
- Meets or exceeds ANSI standard TIA/EIA-485-A (RS-485) requirements.
- ESD protection exceeds ±10-kV HBM and ±4 kV for other pins.
- Fail-safe receiver for bus open, short, or idle conditions.
- Supports up to 160 transceivers on a single bus.
- Low skew during output transitions and driver enabling/disabling.
- Common-mode rejection up to 50 MHz.
- Short-circuit current limit and thermal shutdown protection.
- Hot swap capable.
Applications
The SN75HVD1176D is primarily used in PROFIBUS (EN 50170) networks, which are common in industrial automation and control systems. It is also suitable for other applications requiring high-speed differential data transmission, such as:
- Industrial control systems.
- Automated manufacturing systems.
- Building automation.
- Remote data acquisition and control.
- Any system requiring reliable, high-speed RS-485 communication.
Q & A
- What is the primary application of the SN75HVD1176D?
The SN75HVD1176D is primarily used in PROFIBUS (EN 50170) networks and other industrial automation systems requiring high-speed differential data transmission.
- What is the maximum data rate supported by the SN75HVD1176D?
The SN75HVD1176D supports data rates up to 40 Mbps.
- What are the operating temperature ranges for the SN75HVD1176D?
The device operates within a temperature range of 0°C to 70°C.
- Does the SN75HVD1176D meet RS-485 standards?
- How many transceivers can be connected on a single bus?
Up to 160 transceivers can be connected on a single bus.
- What kind of ESD protection does the SN75HVD1176D offer?
The device offers ESD protection exceeding ±10-kV HBM and ±4 kV for other pins.
- Is the SN75HVD1176D hot swap capable?
- What is the package type of the SN75HVD1176D?
The SN75HVD1176D comes in an 8-SOIC package.
- Does the SN75HVD1176D have thermal shutdown protection?
- Is the SN75HVD1176D suitable for surface mounting?
