ADM3076EARZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Communication and signal processing
• Characteristics: Low-power, high-speed, robust communication interface
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Transceiver IC for industrial applications
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 20 Mbps
• Number of Channels: 1
• Operating Temperature Range: -40°C to +85°C
• Interface Type: RS-485/RS-422
• Mounting Style: Surface Mount
• Package/Case: 8-SOIC

Detailed Pin Configuration

The ADM3076EARZ has the following pin configuration:

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. A (Noninverting Driver Input/Receiver Output)
4. B (Inverting Driver Input/Receiver Output)
5. GND (Ground)
6. Y (Receiver Output)
7. VCC (Supply Voltage)
8. Z (Driver Output)

Functional Features

• Robust ESD Protection: Provides ±15 kV Human Body Model (HBM) ESD protection on the bus pins.
• Enhanced Receiver Fail-Safe: Ensures a logic-high receiver output when inputs are open or shorted.
• Low Power Consumption: Operates at low power supply voltage and consumes minimal power during standby mode.
• High-Speed Data Transmission: Supports data rates up to 20 Mbps, enabling fast and reliable communication.

Advantages and Disadvantages

Advantages: - Robust ESD protection ensures reliability in harsh industrial environments. - Enhanced receiver fail-safe feature improves system integrity. - Low power consumption extends battery life in portable applications. - High-speed data transmission enables efficient communication.

Disadvantages: - Limited to a single channel, restricting simultaneous communication on multiple channels. - Requires additional external components for proper operation.

Working Principles

The ADM3076EARZ is a transceiver IC designed for RS-485/RS-422 communication. It operates by converting the differential signals from the driver inputs (A and B) into a balanced voltage signal on the bus. The receiver section converts the differential voltage on the bus into logic levels at the outputs (Y and Z). The DE and RE pins control the driver and receiver enable functions, respectively.

Detailed Application Field Plans

The ADM3076EARZ is widely used in various industrial applications, including:

1. Factory Automation: Enables reliable communication between PLCs, sensors, and actuators in automated manufacturing systems.
2. Building Automation: Facilitates communication between HVAC systems, lighting controls, and security devices in smart buildings.
3. Process Control: Ensures robust data transmission in control systems for chemical plants, oil refineries, and power generation facilities.
4. Transportation Systems: Provides a reliable interface for communication between vehicle control units, sensors, and displays in automotive and railway systems.

Detailed and Complete Alternative Models

1. MAX485ESA+: Similar functionality and specifications, available in 8-SOIC package.
2. SN65HVD485EDR: Compatible with RS-485 standard, available in 8-SOIC package.
3. LTC2850IMS#PBF: Low-power RS-485 transceiver, available in 10-MSOP package.

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