These 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. They are also robust to ESD events, with high levels of protection to the human-body-model specification.

These devices combine a differential driver and a differential receiver, which operate from a single power supply. In the ’HVD1782, 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.

• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results
  • Device Temperature Grade 1: 40°C to 125°C Ambient Operating Temperature Range
  • Device HBM ESD Classification Level H2
  • Device CDM ESG Classification Level C3B
• Bus-Pin Fault Protection to:
  • > ±70 V (’HVD1780-Q1, ’HVD1781-Q1)
  • > ±30 V (’HVD1782-Q1)
• 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 A Maximum
  • ICC 4-mA Quiescent During Operation
• Pin-Compatible With Industry-Standard SN75176
• Signaling Rates of 115 kbps, 1 Mbps, and up to 10 Mbps

• Number of receivers
• 1
• Number of transmitters
• 1
• Duplex
• Half
• Supply voltage (Nom) (V)
• 3.3, 5
• Signaling rate (Max) (Mbps)
• 1
• IEC 61000-4-2 contact (+/- kV)
• Fault protection (V)
• -70 to 70
• Common mode range
• -7 to 12
• Number of nodes
• 320
• Features
• Fault protection
• Isolated
• No
• ICC (Max) (mA)
• 6
• Rating
• Automotive
• Operating temperature range (C)
• -40 to 125

SN65HVD1781-Q1的完整型号有：SN65HVD1781QDRQ1，以下是这些产品的关键参数及官网采购报价：

SN65HVD1781QDRQ1，工作温度：-40 to 125，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN65HVD1781QDRQ1的批量USD价格：2.045（1000+）

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