MC1489ANG4

Product Overview

Category

The MC1489ANG4 belongs to the category of quad line receivers.

Use

It is commonly used for converting RS-232 signals into TTL/CMOS compatible levels.

Characteristics

• Operating Voltage: 4.5V to 15.4V
• Low Power Consumption
• High Input Impedance
• Wide Common Mode Range

Package

The MC1489ANG4 comes in a 14-pin PDIP (Plastic Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

This device serves as a reliable interface between RS-232 and TTL/CMOS logic levels, providing compatibility and signal integrity.

Packaging/Quantity

The MC1489ANG4 is typically available in reels or tubes with varying quantities depending on the supplier.

Specifications

• Operating Temperature: -40°C to 85°C
• Input Voltage Range: ±30V
• Maximum Data Rate: 120kbps
• Input Hysteresis: 500mV

Detailed Pin Configuration

1. A1 - Receiver A Output
2. B1 - Receiver B Output
3. C1 - Receiver C Output
4. D1 - Receiver D Output
5. GND - Ground
6. D2 - Receiver D Input
7. C2 - Receiver C Input
8. B2 - Receiver B Input
9. A2 - Receiver A Input
10. V+ - Positive Supply Voltage
11. A3 - Receiver A Output
12. B3 - Receiver B Output
13. C3 - Receiver C Output
14. D3 - Receiver D Output

Functional Features

• Quad Line Receiver
• ESD Protection
• High Input Impedance
• Wide Common Mode Range

Advantages and Disadvantages

Advantages

• Wide operating voltage range
• Low power consumption
• High input impedance

Disadvantages

• Limited maximum data rate compared to newer alternatives
• Larger package size compared to modern ICs

Working Principles

The MC1489ANG4 operates by receiving RS-232 signals and converting them into TTL/CMOS compatible levels using internal circuitry. It provides protection against ESD and noise while ensuring reliable signal transmission.

Detailed Application Field Plans

The MC1489ANG4 is commonly used in industrial automation, communication systems, and embedded applications where conversion between RS-232 and TTL/CMOS logic levels is required. It is suitable for interfacing with microcontrollers, sensors, and other digital devices.

Detailed and Complete Alternative Models

Some alternative models to the MC1489ANG4 include the MAX232, MAX3232, and ADM3251E, which offer higher data rates, smaller package sizes, and additional features such as integrated charge pumps for voltage conversion.

In conclusion, the MC1489ANG4 is a reliable quad line receiver that facilitates the conversion of RS-232 signals to TTL/CMOS logic levels. While it has certain limitations compared to newer alternatives, its wide operating voltage range and high input impedance make it suitable for various industrial and embedded applications.

Word Count: 443