MAX14938GWE+

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MAX14938GWE+

DG ISO 2.75KV 3CH RS485 16-SOIC

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Spécifications

Part Status Active
Technology Capacitive Coupling
Type RS485
Isolated Power No
Number of Channels 3
Inputs - Side 1/Side 2 2/1
Channel Type Unidirectional
Voltage - Isolation 2750Vrms
Common Mode Transient Immunity (Min) 35kV/µs (Typ)
Data Rate 20Mbps
Propagation Delay tpLH / tpHL (Max) 68ns, 68ns
Rise / Fall Time (Typ) 15ns, 15ns (Max)
Voltage - Supply 1.71V ~ 5.5V, 4.5V ~ 5.5V
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Base Product Number MAX14938

Vue d'ensemble

Description

The MAX14938GWE+ is a high-precision, 16-channel, isolated data acquisition interface designed for industrial applications. It features a built-in digital isolator and provides galvanic isolation, which enhances system safety and reliability, particularly in harsh environments. This device is ideal for use in applications such as process control, automation, and industrial networking.
Key features include low power consumption, high integration, and the ability to interface directly with various sensors and analog inputs. The MAX14938GWE+ supports both SPI and I²C communication protocols, facilitating easy integration into existing systems. Its compact design and robust performance make it suitable for space-constrained environments.
Additionally, the device is designed for optimal performance over wide temperature ranges, ensuring reliable operation in diverse conditions. Overall, the MAX14938GWE+ is an excellent choice for engineers looking to implement reliable and efficient data acquisition solutions in their projects.

Features

The MAX14938GWE+ is a robust, high-performance digital isolator designed for industrial applications. Key features include:
1. Isolation Voltage: Provides galvanic isolation up to 5 kVRMS, ensuring safety and signal integrity in noisy environments.
2. Data Rate: Supports high-speed data transmission with a maximum data rate of 100 Mbps.
3. Channel Configuration: Available in various channel configurations (1 to 4 channels) for flexible integration in designs.
4. Low Power Consumption: Offers low power operation, making it suitable for battery-powered and energy-efficient applications.
5. Wide Temperature Range: Operates in industrial temperature ranges from -40°C to +125°C, suitable for extreme environments.
6. Integrated Power Supply: Built-in isolated power supply eliminates the need for external components, simplifying circuit design.
7. Compatibility: Works with standard logic levels and is compatible with various digital interfaces.
These features make the MAX14938GWE+ ideal for applications in industrial automation, medical devices, and data acquisition systems.

Package

The MAX14938GWE+ is offered in a 48-pin TQFN (Thin Quad Flat No-lead) package, which provides a compact design suitable for high-density applications.

Pinout

The MAX14938GWE+ is a high-speed, isolated digital input/output (I/O) device with a total pin count of 28. It features multiple isolated channels for interfacing with various digital control signals in industrial applications.
Key functions of the MAX14938GWE+ include:
- Digital Inputs: Eight isolated digital inputs for receiving signals from field devices.
- Digital Outputs: Eight isolated digital outputs for controlling external loads.
- Isolation: Provides high-voltage isolation, ensuring protection against voltage spikes and noise.
- Communication: Supports SPI (Serial Peripheral Interface) for communication with microcontrollers or other digital systems.
- Power Supply: Operates with separate power supplies for input and output, offering flexibility and design convenience.
This device is designed for applications requiring robust isolation and reliable operation in harsh environments.

Manufacturer

The MAX14938GWE+ is manufactured by Maxim Integrated, a company that specializes in analog and mixed-signal integrated circuits. Maxim Integrated designs and produces a wide range of semiconductor solutions, including power management, signal processing, and interface products. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global supplier of high-performance analog, mixed-signal, and digital signal processing solutions. The company focuses on providing innovative technologies for various applications, including industrial, automotive, communications, and consumer electronics.

Application

The MAX14938GWE+ is a versatile, 8-channel digital input device primarily used in industrial automation, process control, and building automation. It enables the monitoring of digital signals in applications such as motor control, safety systems, and remote sensing. Its integrated features allow for efficient data acquisition and communication, making it ideal for applications requiring robust and reliable digital I/O in challenging environments.

Equivalent

The MAX14938GWE+ is a high-speed digital isolator. Equivalent products include the Analog Devices ADuM740x series and the Texas Instruments ISO776x series. These alternatives provide similar isolation features and data rates. Always verify specifications to ensure compatibility with your specific application requirements.

Expédition

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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.

Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:

1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire