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MAX232ECDWRG4
Product Overview
- Category: Integrated Circuits (ICs)
- Use: MAX232ECDWRG4 is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5-V supply.
- Characteristics: It is designed for RS-232 and V.28 communication interfaces, and it is particularly suitable for applications where ±12V is not available.
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: The MAX232ECDWRG4 is an essential component for interfacing low-voltage microcontrollers with RS-232 devices.
- Packaging/Quantity: Tape & Reel (3000 units per reel)
Specifications
- Supply Voltage: 5V
- Operating Temperature: -40°C to +85°C
- Data Rate: 120kbps
- Number of Drivers/Receivers: 2/2
Detailed Pin Configuration
The MAX232ECDWRG4 has a total of 16 pins, with the following configuration: 1. VCC 2. C1+ 3. C1- 4. V+ 5. R1- 6. R1+ 7. GND 8. GND 9. R2+ 10. R2- 11. V- 12. T2- 13. T2+ 14. T1+ 15. T1- 16. GND
Functional Features
- Dual EIA-232 drivers/receivers
- Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28
- Operates from a single 5V power supply
- On-chip charge pump voltage inverter
Advantages and Disadvantages
Advantages
- Low power consumption
- Small form factor
- Wide operating temperature range
Disadvantages
- Limited data rate compared to newer ICs
- Requires external capacitors for charge pump
Working Principles
The MAX232ECDWRG4 uses an internal charge pump to generate the positive and negative voltages required for RS-232 communication from a single 5V supply. It also provides protection against overvoltage conditions on the RS-232 bus lines.
Detailed Application Field Plans
The MAX232ECDWRG4 is commonly used in various applications such as: - Serial communication interfaces for microcontrollers - Industrial automation systems - Data acquisition systems - Embedded systems
Detailed and Complete Alternative Models
Some alternative models to MAX232ECDWRG4 include: - MAX3232ECDWRG4 - SP3232EBCY-L/TR - ADM3202ARNZ-REEL7
In conclusion, the MAX232ECDWRG4 is a versatile and essential component for interfacing low-voltage microcontrollers with RS-232 devices. Its compact size, low power consumption, and wide operating temperature range make it suitable for a variety of industrial and embedded applications.
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What is the MAX232ECDWRG4?
- The MAX232ECDWRG4 is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5V supply.
What are the typical applications of MAX232ECDWRG4?
- It is commonly used in RS-232 communication interfaces, such as in serial communication between microcontrollers and peripherals, PC-to-peripheral communication, and industrial control systems.
What is the operating voltage range of MAX232ECDWRG4?
- The operating voltage range is typically 4.5V to 5.5V.
How many drivers and receivers are included in MAX232ECDWRG4?
- It contains two drivers and two receivers.
What is the maximum data rate supported by MAX232ECDWRG4?
- The maximum data rate is typically 120kbps.
Is MAX232ECDWRG4 compatible with TTL/CMOS logic levels?
- Yes, it is designed to be compatible with TTL/CMOS logic levels.
What is the purpose of the capacitive voltage generator in MAX232ECDWRG4?
- The capacitive voltage generator generates the TIA/EIA-232-F voltage levels required for RS-232 communication.
Does MAX232ECDWRG4 require external capacitors?
- Yes, external capacitors are required for the charge pump and voltage doubler functions.
Can MAX232ECDWRG4 be used in automotive applications?
- Yes, it is suitable for automotive applications due to its wide operating voltage range and robust design.
Are there any special considerations for layout and PCB design when using MAX232ECDWRG4?
- Yes, proper layout and PCB design are important to minimize noise and ensure reliable communication. It's recommended to follow the guidelines provided in the datasheet for optimal performance.