SN65HVD1781 - 具有故障保护功能的 70V RS-485 收发器

SN65HVD1781是TI德州仪器公司的一款无产品，SN65HVD1781是具有故障保护功能的 70V RS-485 收发器，本站介绍了SN65HVD1781的封装应用图解、特点和优点、功能等，并给出了与SN65HVD1781相关的TI元器件型号供参考。

SN65HVD1781 - 具有故障保护功能的 70V RS-485 收发器 - 无 - RS-485收发器 - 德州仪器

产品特性

Bus-Pin Fault Protection to:
- > ±70 V (SN65HVD1780, SN65HVD1781)
- > ±30 V (SN65HVD1782)
Operation With 3.3-V to 5-V Supply Range
±16-kV HBM Protection on Bus Pins
Reduced Unit Load for Up to 320 Nodes
Failsafe Receiver for Open-Circuit, Short-Circuit, and Idle-Bus Conditions
Low Power Consumption
- Low Standby Supply Current, 1 µA Maximum
- ICC 4-mA Quiescent Current During Operation
Pin-Compatible With Industry-Standard SN75176
Signaling Rates of 115 kbps, 1 Mbps, and up to 10 Mbps

产品应用

HVAC Networks
Security Electronics
Building Automation
Telecommunication Equipment
Motion Control
Industrial Networks

产品说明

The SN65HVD178x devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. The devices are also robust to ESD events with high levels of protection to the human-body-model specification.

The SN65HVD178x devices combine a differential driver and a differential receiver, which operate from a single power supply. In the SN65HVD1782, the driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. This port features a wide common-mode voltage range, making the devices suitable for multipoint applications over long cable runs. These devices are characterized from –40°C to 125°C. These devices are pin-compatible with the industry-standard SN75176 transceiver, making them drop-in upgrades in most systems.

These devices are fully compliant with ANSI TIA/EIA 485-A with a 5-V supply and can operate with a 3.3-V supply with reduced driver output voltage for low-power applications. For applications where operation is required over an extended common-mode voltage range, see the SN65HVD1785 (SLLS872) data sheet.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN65HVD178x	SOIC (8)	4.90 mm × 3.91 mm
SN65HVD178x	PDIP (8)	9.81 mm × 6.35 mm

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