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TJ3485 - RS-485/RS-422 Transceivers

General Description

The TJ3485 is a low-power half-duplex transceiver that meets the specifications of RS-485 and RS-422.

IC contains one driver and one receiver.

The driver slew rates is not limited, allowing them to transmit up to 5Mbps.

Key Features

  • Single 3.3V Supply.
  • Low Quiescent Current: 300uA.
  • -7V to +12V Common-Mode Input Voltage Range.
  • Three-state Outputs.
  • Half-Duplex Versions Available.
  • Allows up to 32 Transceivers on the Bus.
  • Data rate: 5 Mbps.
  • Current-Limiting and Thermal Shutdown for Driver Overload Protection.
  • ESD Specifications - ±15kV IEC61000-4-2 Air Discharge - ±8kV Human Body Model '.

📥 Download Datasheet

Datasheet Details

Part number TJ3485
Manufacturer HTC KOREA
File Size 575.98 KB
Description RS-485/RS-422 Transceivers
Datasheet download datasheet TJ3485 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers TJ3485 DESCRIPTION The TJ3485 is a low-power half-duplex transceiver that meets the specifications of RS-485 and RS-422. IC contains one driver and one receiver. The driver slew rates is not limited, allowing them to transmit up to 5Mbps. These transceivers draw between 120uA and 500uA of supply current when unloaded or fully loaded with disabled drivers. All parts operate from a single 3.3V supply. Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a highimpedance states. The receiver input has a fail-safe feature that guarantees a logic-high output if the input is open circuit.