MAX14803AEWZ+

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MAX14803AEWZ+

16 CHANNEL HIGH VOLTAGE SWITCH I

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規格

Part Status Discontinued at Digi-Key
Switch Circuit SPST - NO
Multiplexer/Demultiplexer Circuit 1:1
Number of Circuits 16
On-State Resistance (Max) 48Ohm
Channel-to-Channel Matching (ΔRon) 2.4Ohm
Voltage - Supply, Single (V+) 2.7V ~ 5.5V
Switch Time (Ton, Toff) (Max) 3.5µs, 3.5µs
-3db Bandwidth 20MHz
Charge Injection 820pC
Channel Capacitance (CS(off), CD(off)) 11pF, 11pF
Current - Leakage (IS(off)) (Max) 2µA
Crosstalk -80dB @ 5MHz
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 110-WFBGA, WLBGA
Supplier Device Package 110-WLP (5.4x5.8)

概述

Description

The MAX14803AEWZ+ is a high-performance, dual-channel, high-speed RS-485/RS-422 transceiver designed for reliable and efficient communication in industrial applications. It supports data rates up to 20 Mbps and operates over a wide voltage range of 3.0V to 5.5V, making it suitable for various power supply configurations.
Key features include integrated fail-safe circuitry, which ensures proper operation in the presence of noise, and enhanced ESD protection, making it robust in harsh environments. The device offers low power consumption, ideal for battery-operated systems. Each channel can be independently enabled, allowing for flexible application designs.
The MAX14803AEWZ+ is packaged in a compact 16-pin TQFN, facilitating easy integration into space-constrained designs. It is commonly used in industrial automation, remote sensing, and data acquisition systems where reliable long-distance communication is required. Overall, it combines high performance, versatility, and reliability, making it a popular choice for engineers designing communication systems.

Features

The MAX14803AEWZ+ is a dual-channel, high-speed, RS-485/RS-422 transceiver designed for robust communication in noisy environments. Key features include:
1. Dual Transceiver: Supports two independent channels for RS-485/RS-422 communication.
2. High Data Rates: Capable of data rates up to 20 Mbps, facilitating fast communication.
3. Wide Operating Voltage: Operates from a single supply voltage of 3.0V to 5.5V.
4. Low Power Consumption: Features low quiescent current and a shutdown mode to conserve power.
5. Fail-Safe Design: Built-in fail-safe for open-circuit, short-circuit, and idle line conditions to ensure reliable communication.
6. Enhanced Noise Immunity: Differential signaling provides improved noise immunity, making it suitable for industrial applications.
7. Thermal Protection: Integrated thermal shutdown for added reliability.
8. Industrial Temperature Range: Operates within a temperature range of -40°C to +125°C, ideal for harsh environments.
These features make the MAX14803AEWZ+ suitable for a variety of applications, including industrial automation, motor control, and data acquisition systems.

Package

The MAX14803AEWZ+ comes in a 16-pin TQFN (Thin Quad Flat No-lead) package. This compact package type is designed for efficient thermal and electrical performance in applications such as industrial automation and communication systems.

Pinout

The MAX14803AEWZ+ is a quad-channel, industrial-grade RS-485/RS-422 transceiver. It features a pin count of 16.
The main functions of its pins include:
- TXD (Transmit Data): Input pins for transmitting data.
- RXD (Receive Data): Output pins for receiving data.
- DE (Driver Enable): Activates the driver for transmission.
- RE (Receiver Enable): Activates the receiver for data reception.
- VCC: Supply voltage input.
- GND: Ground connection.
- A and B: Differential signal lines for RS-485/RS-422 communication.
- Term (Optional Termination): Termination for improved signal integrity.
This device is designed for robust communication in noisy environments and offers features like low power consumption and high data rates, making it suitable for industrial applications.

Manufacturer

The MAX14803AEWZ+ is manufactured by Maxim Integrated, which is a semiconductor company that designs, manufactures, and sells a range of analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated specializes in products such as power management, signal processing, and interface solutions for various applications, including automotive, industrial, and consumer electronics. The company is known for its focus on innovation and high-performance components, contributing to advancements in electronic design. In 2020, Maxim Integrated was acquired by Analog Devices, Inc., a leading global high-performance analog technology company.

Application

The MAX14803AEWZ+ is a dual, high-speed, RS-485/RS-422 transceiver designed for industrial applications. Key application areas include automation systems, remote sensor networks, data acquisition systems, and communication links in harsh environments. Its robust design supports long-distance communication and is suitable for use in factory automation, building automation, and process control systems. Additionally, it is ideal for applications requiring differential signaling to reduce noise and improve data integrity.

Equivalent

The MAX14803AEWZ+ is a quad RS-232 transceiver. Equivalent products include the TI SN75162, the STMicroelectronics ST3232, and the Analog Devices ADM213. These alternatives provide similar functionality for RS-232 communication, with variations in voltage levels, speed, and package options. Always check specific datasheets for detailed specifications and compatibility.

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