An Introduction of Transceiver SP3485CN-L

General Description

The SP3485 is a +3.3V low-power half-duplex transceiver that complies with the RS-485 and RS-422 serial protocol requirements. The Exar SP481, SP483, and SP485 devices, as well as popular industry standards, are pin-to-pin compatible with this device. The Exar BiCMOS process is used in the SP3485, which allows for low-power operation without losing performance. Up to 10Mbps under load, the SP3485 may meet the electrical standards of the RS-485 and RS-422 serial protocols.

Features

• Transceiver RS-485 and RS-422

• Can be powered by a single +3.3V supply

• Compatibility with +5.0V logic

• Enable the driver/receiver

• Common-Mode Input Voltage Range: -7V to +12V

• The serial bus can support up to 32 transceivers.

• Pinout conforms to industry standard 75176

• Short-circuit protection for the driver output

CAD Models

Symbol

symbol

Footprint

foot

3D Model

3d

Specification

· Technical

· Operating Temperature-0°C~70°C

· Moisture Sensitivity Level (MSL)-1 (Unlimited)

· Technology-BICMOS

· Voltage – Supply-3V~3.6V

· Supply Voltage-3.3V

· Terminal Pitch-1.27mm

· Receiver Hysteresis-20mV

· Receive Delay-Max-100 ns

· Transmit Delay-Max-60 ns

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