SN75189D

Product Overview

Category

SN75189D belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a quadruple differential line receiver.

Characteristics

• High input impedance
• Wide common-mode voltage range
• Low input offset voltage
• High common-mode rejection ratio
• Low power consumption

Package

SN75189D is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN75189D lies in its ability to receive and convert differential signals into logic level outputs.

Packaging/Quantity

SN75189D is typically sold in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer or distributor.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage Range: ±7V
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±20mA
• Propagation Delay Time: 30ns (typical)

Detailed Pin Configuration

1. A1: Differential Input A
2. B1: Differential Input B
3. Y1: Logic Output A
4. GND: Ground
5. Y2: Logic Output B
6. B2: Differential Input B
7. A2: Differential Input A
8. VCC: Supply Voltage
9. Y3: Logic Output C
10. GND: Ground
11. Y4: Logic Output D
12. B4: Differential Input B
13. A4: Differential Input A
14. A3: Differential Input A
15. B3: Differential Input B
16. VCC: Supply Voltage

Functional Features

• Quadruple differential line receiver
• Converts differential signals to logic level outputs
• High input impedance for reliable signal reception
• Wide common-mode voltage range for versatile applications
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages

• High common-mode rejection ratio ensures accurate signal reception
• Low input offset voltage minimizes errors in signal conversion
• Wide common-mode voltage range allows compatibility with various systems
• Low power consumption reduces energy usage

Disadvantages

• Limited output current may restrict certain applications
• Propagation delay time may affect real-time signal processing

Working Principles

SN75189D operates by receiving differential signals on its inputs (A1, B1, A2, B2, A3, B3, A4, B4) and converting them into logic level outputs (Y1, Y2, Y3, Y4). It utilizes high input impedance, low input offset voltage, and a wide common-mode voltage range to accurately receive and convert signals. The IC's internal circuitry ensures reliable performance while consuming minimal power.

Detailed Application Field Plans

SN75189D finds applications in various fields, including:

1. Telecommunications: Differential line receivers are commonly used in telecommunication systems to receive and process signals transmitted over long distances.
2. Industrial Automation: The IC can be employed in industrial automation systems to interface with sensors and actuators that utilize differential signaling.
3. Automotive Electronics: Differential line receivers are utilized in automotive electronics for reliable data transmission between different components.
4. Audio/Video Equipment: SN75189D can be integrated into audio/video equipment to receive and process differential signals for improved signal quality.

Detailed and Complete Alternative Models

Some alternative models to SN75189D include:

1. MAX485: A popular alternative offering similar functionality and specifications.
2. DS90LV019: Another option with differential line receiver capabilities.
3. LTC2875: An alternative model with enhanced features such as higher output current and faster propagation delay.

Please note that the above list is not exhaustive, and there are several other alternative models available in the market.

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