The SN65HVD3x devices are 3-state differential line drivers and differential-input line receivers that operate with 3.3-V power supply.

Each driver and receiver has separate input and output pins for full-duplex bus communication designs. They are designed for RS-422 and RS-485 data transmission over cable lengths of up to 1500 meters.

The SN65HVD30, SN65HVD31, and SN65HVD32 devices are fully enabled with no external enabling pins.

The SN65HVD33, SN65HVD34, and SN65HVD35 devices have active-high driver enables and active-low receiver enables. A low, less than 1 µA, standby current can be achieved by disabling both the driver and receiver.

All devices are characterized for ambient temperatures from –40°C to 85°C. Low power dissipation allows operation at temperatures up to 105°C or 125°C, depending on package option.

• 1/8 Unit-Load Option Available (Up to 256Nodes on the Bus)
• Bus-Pin ESD Protection Exceeds 15-kV HBM
• Optional Driver Output Transition Times for Signaling Rates of 1Mbps, 5Mbps and 26Mbps
  • Line Signaling Rate is the Number of Voltage Transitions Made per Second Expressed in Units of bps (bits per second)
• Low-Current Standby Mode: <1 μA
• Glitch-Free Power-Up and Power-Down Protection for Hot-Plugging Applications
• 5-V Tolerant Inputs
• Bus Idle, Open, and Short-Circuit Failsafe
• Driver Current Limiting and Thermal Shutdown
• Designed for RS-422 and RS-485 Networks
• 5-V Devices Available, SN65HVD50-55

• Number of receivers
• 1
• Number of transmitters
• 1
• Duplex
• Full
• Supply voltage (Nom) (V)
• 3.3
• Signaling rate (Max) (Mbps)
• 5
• IEC 61000-4-2 contact (+/- kV)
• —
• Fault protection (V)
• -9 to 14
• Common mode range
• -7 to 12
• Number of nodes
• 256
• Isolated
• No
• ICC (Max) (mA)
• 6.5
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85

SN65HVD34的完整型号有：SN65HVD34D、SN65HVD34DR，以下是这些产品的关键参数及官网采购报价：

SN65HVD34D，工作温度：-40 to 85，封装：SOIC (D)-14，包装数量MPQ：50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SN65HVD34D的批量USD价格：1.938（1000+）

SN65HVD34DR，工作温度：-40 to 85，封装：SOIC (D)-14，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SN65HVD34DR的批量USD价格：1.615（1000+）

RS485-FL-DPLX-EVM — RS485-FL-DPLX-EVM：RS-485 全双工评估模块

The RS-485 full-duplex evaluation module (EVM)helps designers evaluate device performance, supporting fast development and analysis of data transmission systems using any of the SN65HVD147x, SN65HVD179x, SN65HVD3x, SN65HVD5x and SN65HVD7x full-duplex transceivers in a 14-pin D package. The (...)

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