MC1489PG
Product Overview
- Category: Integrated Circuit
- Use: RS-232 Line Receiver
- Characteristics: High-speed, low-power, compatible with EIA Standard RS-232
- Package: DIP (Dual In-line Package)
- Essence: Line receiver for serial communication
- Packaging/Quantity: 1 piece per package
Specifications
- Supply Voltage: 4.5V to 5.5V
- Data Rate: Up to 120 kbps
- Operating Temperature Range: -40°C to +85°C
- Input Threshold: ±3V
- Output Voltage Swing: ±5V
- Input Resistance: 3kΩ
- Output Resistance: 300Ω
Detailed Pin Configuration
The MC1489PG has a total of 14 pins arranged as follows:
```
| | | 1 2 3 | | | | 4 5 6 | | | | 7 8 9 | | | |10 11 12 | | | |13 14 | |___________| ```
- VCC - Positive power supply
- A - Input A
- B - Input B
- C - Input C
- D - Input D
- GND - Ground
- Y - Output Y
- Z - Output Z
- AA - Output AA
- BB - Output BB
- CC - Output CC
- DD - Output DD
- NC - No connection
- NC - No connection
Functional Features
- High-speed line receiver for RS-232 communication
- Low-power consumption
- Compatible with EIA Standard RS-232
- Wide operating temperature range for various environments
Advantages and Disadvantages
Advantages
- High-speed data transmission up to 120 kbps
- Low power consumption for energy-efficient operation
- Compatibility with EIA Standard RS-232 ensures interoperability
- Wide operating temperature range allows usage in diverse conditions
Disadvantages
- Limited input threshold of ±3V may restrict compatibility with certain devices
- Output voltage swing limited to ±5V, which may not be suitable for all applications
Working Principles
The MC1489PG is a line receiver integrated circuit designed to receive and convert RS-232 serial communication signals. It operates by amplifying and converting the differential voltage levels of the input signals into corresponding logic-level outputs. The inputs are protected against overvoltage transients and can tolerate common-mode voltage swings beyond the supply rails.
Detailed Application Field Plans
The MC1489PG is commonly used in various applications involving RS-232 communication, such as:
- Computer peripherals (e.g., printers, modems)
- Industrial automation systems
- Telecommunication equipment
- Data acquisition systems
- Embedded systems
Detailed and Complete Alternative Models
- MAX1489E - RS-232 Line Receiver with Enhanced ESD Protection
- SN75189 - Quadruple Differential Line Receiver
- LTC1489 - Low Power RS485/RS422 Transceiver
These alternative models offer similar functionality and can be considered as substitutes for the MC1489PG in different applications.
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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MC1489PG في الحلول التقنية
Sure! Here are 10 common questions and answers related to the application of MC1489PG in technical solutions:
Q: What is MC1489PG? A: MC1489PG is a quad line receiver IC (integrated circuit) commonly used for converting RS-232 voltage levels to TTL/CMOS levels.
Q: What is the purpose of using MC1489PG in technical solutions? A: MC1489PG is used to interface between devices that operate at different voltage levels, specifically for converting RS-232 signals to TTL/CMOS signals.
Q: Can MC1489PG be used for bidirectional communication? A: No, MC1489PG is a line receiver and does not support bidirectional communication. It is designed to receive data from an RS-232 source and convert it to TTL/CMOS levels.
Q: What is the maximum data rate supported by MC1489PG? A: MC1489PG can handle data rates up to 120 kbps (kilobits per second).
Q: How many channels does MC1489PG have? A: MC1489PG is a quad line receiver, meaning it has four independent channels for receiving RS-232 signals.
Q: What is the operating voltage range for MC1489PG? A: MC1489PG operates within a voltage range of +4.5V to +5.5V.
Q: Can MC1489PG tolerate higher voltages on its inputs? A: Yes, MC1489PG has built-in protection diodes that allow it to tolerate input voltages up to ±25V without damage.
Q: Does MC1489PG require external components for operation? A: Yes, MC1489PG requires external capacitors and resistors for proper operation. The datasheet provides recommended values.
Q: Can MC1489PG be used in industrial applications? A: Yes, MC1489PG is commonly used in industrial applications where RS-232 to TTL/CMOS level conversion is required.
Q: Are there any alternatives to MC1489PG for RS-232 to TTL/CMOS conversion? A: Yes, there are other ICs available such as MAX232, MAX3232, or SP3232 that can perform similar functions and may have additional features.
Please note that the answers provided here are general and it's always recommended to refer to the specific datasheet and application notes for accurate information and guidelines.