LTC2861IDE#PBF

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LTC2861IDE#PBF

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規格

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 25 mV
DataRate 20Mbps
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 12-WFDFN Exposed Pad

概述

Description

LTC2861IDE#PBF is Linear Technology’s (now Analog Devices) part number for the LTC2861 RS-485/RS-422 transceiver in a Pb-free, IDE-package variant. In short, it’s a bidirectional differential bus transceiver used to connect a microcontroller or MCU‑peripheral to an RS-485/RS-422 network.
What it does
- Provides driver (DI) and receiver (RO) with enable controls (DE/RE) for half‑duplex RS-485 communications.
- Operates from a low-voltage supply (typical 3.3–5V) and is suitable for industrial environments with ESD/fault protection and a failsafe/idle receiver state.
Package/variant
- IDE indicates a specific package type/temperature grade for the LTC2861.
- #PBF denotes Pb-free packaging.
How to use (brief)
- Connect MCU TX to DI, MCU RX to RO, DE/RE as needed, A/B to the RS-485 pair.
- Provide Vcc and GND, add supply decoupling and proper line termination per the datasheet.
For exact pinout, electrical specs, and application circuits, see the LTC2861 datasheet on Analog Devices’ website.

Package

An 8-pin MSOP (Micro Small Outline Package), Pb-free (IDE series).

Pinout

Pin count: 8 pins.
Function: A low‑power, half‑duplex RS‑485/RS‑422 transceiver. It provides differential A/B bus lines and data path pins: DI (data in), RO (data out), DE/RE (drive/receive enable), plus Vcc and GND.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI). The LTC2861IDE#PBF is a Linear Technology part that ADI acquired in 2017.
Company type: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and DSP/processing ICs.

Application

Common application areas for LTC2861IDE#PBF:
- Industrial automation: PLCs, motor drives, remote I/O
- Isolated RS-485/RS-422 networks in harsh environments
- Data acquisition and instrumentation with galvanic isolation
- Building automation and smart metering
- Power-electronics interfaces (inverters, converters) needing isolation

Equivalent

Can you confirm which interface you need (CAN or RS-485) and the required isolation rating and package? Equivalents depend on function. Common cross-refs include:
- TI ISO-series for CAN (e.g., ISO1042)
- TI SN65HVDx for RS-485
- Analog Devices ADM248x/ADM286x for isolated RS-485/CAN
- Onsemi NCV/NC7W series
I can give exact part numbers once you specify the function and specs.

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