SN75HVD1176 - PROFIBUS RS-485 收发器

SN75HVD1176是TI德州仪器公司的一款无产品，SN75HVD1176是PROFIBUS RS-485 收发器，本站介绍了SN75HVD1176的封装应用图解、特点和优点、功能等，并给出了与SN75HVD1176相关的TI元器件型号供参考。

SN75HVD1176 - PROFIBUS RS-485 收发器 - 无 - RS-485收发器 - 德州仪器

产品特性

Optimized for PROFIBUS® Networks
- Signaling Rates up to 40 Mbps
- Differential Output Exceeds 2.1V (54-Ω Load)
- Low Bus Capacitance of 10pF (Max)
Meets the Requirements of TIA/EIA-485-A
ESD Protection Exceeds ±10-kV HBM
Fail-Safe Receiver for Bus Open, Short, Idle
Up to 160 Transceivers on a Bus
Low Skew During Output Transitions and Driver Enabling and Disabling
Common-Mode Rejection up to 50MHz
Short-Circuit Current Limit
Hot Swap Capable
Thermal Shutdown Protection

产品应用

Process Automation
- Chemical Production
- Brewing and Distillation
- Paper Mills
Factory Automation
- Automobile Production
- Rolling, Pressing, Stamping Machines
- Networked Sensors
General RS-485 Networks
- Motor and Motion Control
- HVAC and Building Automation Networks
- Networked Security Stations

产品说明

The SNx5HVD1176 devices are half-duplex differential transceivers with characteristics optimized for use in PROFIBUS (EN 50170) applications. The driver output differential voltage exceeds the PROFIBUS requirements of 2.1V with a 54-Ω load. A signaling rate of up to 40Mbps allows technology growth to high data-transfer speeds. The low bus capacitance provides low signal distortion.

The SN65HVD1176 and SN75HVD1176 devices meet or exceed the requirements of ANSI standard TIA/EIA-485-A (RS-485) for differential data transmission across twisted-pair networks. The driver outputs and receiver inputs are tied together to form a half-duplex bus port with one-fifth unit load, which allows up to 160nodes on a single bus. The receiver output stays at logic high when the bus lines are shorted, left open, or when no driver is active. The driver outputs are in high impedance when the supply voltage is below 2.5V to prevent bus disturbance during power cycling or during live insertion to the bus. An internal current limit protects the transceiver bus pins in short-circuit fault conditions by limiting the output current to a constant value. Thermal shutdown circuitry protects the device against damage due to excessive power dissipation caused by faulty loading and drive conditions.

The SN75HVD1176 device is characterized for operation at temperatures from 0°C to 70°C. The SN65HVD1176 device is characterized for operation at temperatures from –40°C to 85°C.

For an isolated version of this device, see the ISO1176 device (SLLS897) with integrated digital isolators.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN65HVD1176 SN75HVD1176	SOIC (8)	4.90 mm × 3.91 mm

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