SN75C189ADR

Product Overview

Category

SN75C189ADR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for signal conditioning and data transmission.

Characteristics

• Signal conditioning: SN75C189ADR is designed to condition and amplify signals, ensuring reliable data transmission.
• Data transmission: It facilitates the transfer of digital information between different components within an electronic system.
• Package: The SN75C189ADR comes in a small outline package (SOIC) with 8 pins.
• Essence: This IC is essential for maintaining signal integrity and improving the overall performance of electronic systems.
• Packaging/Quantity: SN75C189ADR is typically sold in reels or tubes containing multiple units.

Specifications

The specifications of SN75C189ADR include:

• Supply voltage range: 4.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Input/output voltage range: 0V to Vcc
• Maximum data rate: 25 Mbps
• Low power consumption: <1mW
• ESD protection: >2kV (Human Body Model)

Pin Configuration

The detailed pin configuration of SN75C189ADR is as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. A: Input/output data line A
4. B: Input/output data line B
5. Y: Output data line
6. Z: Output data line
7. DE: Driver enable input
8. RE: Receiver enable input

Functional Features

SN75C189ADR offers the following functional features:

• Differential signaling: It utilizes differential signaling to minimize noise and improve signal quality.
• Bi-directional communication: Allows data transmission in both directions.
• Built-in driver and receiver: Integrated driver and receiver circuits simplify system design.
• High-speed data transmission: Supports data rates up to 25 Mbps.
• Low power consumption: Ensures energy efficiency in electronic systems.

Advantages and Disadvantages

Advantages of SN75C189ADR:

• Improved signal integrity
• Easy integration into electronic systems
• High-speed data transmission capability
• Low power consumption

Disadvantages of SN75C189ADR:

• Limited voltage range (0V to Vcc)
• Relatively small package size

Working Principles

SN75C189ADR operates based on the principles of differential signaling. It receives input signals from data lines A and B, conditions them using internal circuitry, and amplifies the resulting signals on output lines Y and Z. The driver enable (DE) and receiver enable (RE) inputs control the direction of data transmission.

Detailed Application Field Plans

SN75C189ADR finds applications in various fields, including:

1. Industrial automation: Used for reliable data transmission in industrial control systems.
2. Telecommunications: Enables high-speed data transfer in communication equipment.
3. Automotive electronics: Facilitates signal conditioning in automotive control modules.
4. Consumer electronics: Enhances signal integrity in audio/video devices and computer peripherals.

Alternative Models

Some alternative models that offer similar functionality to SN75C189ADR are:

1. MAX485EESA
2. LTC2862IDD#PBF
3. ADM2485BRWZ
4. SP3485EN-L/TR

These alternatives can be considered based on specific requirements and availability.

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