MAX3490AEGSA+T

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MAX3490AEGSA+T

IC TRANSCEIVER FULL 1/1 8SOIC

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Spécifications

Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 10 mV
DataRate 20Mbps
Voltage-Supply 3V ~ 3.6V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

MAX3490AEGSA+T is a Maxim Integrated (now Analog Devices) RS-485/RS-422 differential transceiver from the MAX3490 family. It provides the interface between a microcontroller and a differential serial bus, suitable for industrial multi-point networks and harsh environments.
Key points:
- Differential drivers/receivers for RS-485/RS-422
- 3-state enables for bus sharing and arbitration
- Fail-safe receiver outputs (defined idle state)
- On-chip protection on bus pins (ESD and fault protection)
- RoHS-compliant packaging (GSA) with Tape-and-Reel option (+T) for manufacturing
Note: exact channel count, supply voltage (3.3V/5V), data rate, and pinout depend on the specific revision. For precise specs, timing, and application notes, consult the MAX3490 datasheet and the meaning of the suffixes in the packaging document.

Features

Here are the key features of MAX3490AEGSA+T (RS-485/RS-422 transceiver, tape-and-reel):
- Half-duplex RS-485/RS-422 transceiver
- Single-supply operation from 3V to 5.5V
- 1/2 unit-load receiver for multipoint networks
- Fail-safe receiver: RO outputs high when A and B are open, shorted, or idle
- DI, DE, and RE control inputs for straightforward direction control
- Differential bus pins (A, B) with robust protection
- Low-power operation with enabled/disabled (high-impedance) modes
- Suitable for high-speed RS-485 data rates (up to several Mbps)
- -40°C to +85°C industrial temperature range
- RoHS-compliant, lead-free package in 8-pin SOT/SOIC form factor
- Tape-and-reel packaging (+T) for automated assembly
Note: For exact electrical specifications (voltage ranges, input/output thresholds, data rate limits, current consumption, etc.), please refer to the official datasheet.

Package

A 16‑pin SOIC package, Tape‑and‑Reel (the “+T” denotes Tape & Reel).

Pinout

Pin count: 8 pins.
Function: Maxim MAX3490AEGSA+T is a 2-wire RS-485/RS-422 transceiver (half‑duplex) that includes both a driver and a receiver. Pins typically are DI (data input), RO (receiver output), DE (driver enable), /RE (receiver enable), A and B (bus lines), Vcc, and GND. It provides the interface between a microcontroller (DI/RO) and the differential bus (A/B).

Manufacturer

Manufacturer: Maxim Integrated (now part of Analog Devices, Inc., after a recent acquisition).
What kind of company: A global fabless semiconductor company that designs and markets analog and mixed-signal integrated circuits.

Application

Applications: Differential RS-485/RS-422 communications. Suitable for industrial automation and process control, building automation, PLCs and remote telemetry, data acquisition/instrumentation, motor-control networks, and long-distance, noisy-environment networks. Supports point-to-point and multipoint links on 2-wire (RS-485) or 4-wire (RS-422) configurations in 3.3V/5V systems.

Equivalent

Possible drop-in equivalents (RS-485/RS-422 half-duplex transceivers, 5V):
- TI SN65HVD178A
- TI SN65HVD179A
- Analog Devices ADM485
- STMicroelectronics ST485
- STMicroelectronics ST3485
- Maxim MAX3480/MAX3485
Note: check pinout, drive voltage, data-rate, and EN/DI/DE pin behavior to ensure true compatibility.

Expédition

Méthodes d'expéditionNous

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

Le terme de paiement est 100% prépayé.

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1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire

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