사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120Kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
개요
Description
The MAX232IDWR is a dual-channel RS-232 line driver/receiver IC commonly used for serial communication. Manufactured by Texas Instruments, this device is part of the MAX232 family, designed to convert signals from a TIA/EIA-232-F level to TTL/CMOS levels and vice versa. It operates with a single 5V power supply and includes charge-pump voltage converters to generate the necessary ±10V RS-232 voltage levels.
Key features include two drivers and two receivers, which makes it ideal for interfacing between microcontrollers or microprocessors and RS-232 ports, such as those on PCs. Each driver converts TTL/CMOS input levels into RS-232 levels, while each receiver converts RS-232 input levels to 5V TTL/CMOS levels.
The "IDWR" suffix indicates a specific packaging and temperature rating. The IC is typically housed in a 16-pin wide SOIC (Small Outline Integrated Circuit) package, which is suitable for surface mounting on PCBs, and is rated for industrial temperature ranges. This makes it a versatile component for use in a wide array of electronic applications involving serial communication.
Key features include two drivers and two receivers, which makes it ideal for interfacing between microcontrollers or microprocessors and RS-232 ports, such as those on PCs. Each driver converts TTL/CMOS input levels into RS-232 levels, while each receiver converts RS-232 input levels to 5V TTL/CMOS levels.
The "IDWR" suffix indicates a specific packaging and temperature rating. The IC is typically housed in a 16-pin wide SOIC (Small Outline Integrated Circuit) package, which is suitable for surface mounting on PCBs, and is rated for industrial temperature ranges. This makes it a versatile component for use in a wide array of electronic applications involving serial communication.
Equivalent
The MAX232IDWR chip is a dual RS-232 driver/receiver. Equivalent products include:
1. Texas Instruments SN75C3223
2. STMicroelectronics ST3232C
3. Analog Devices ADM232A
4. NXP Semiconductors SP232A
5. Intersil ICL232
These chips perform similar functions, converting TTL/CMOS logic levels to RS-232 levels, suitable for serial communication. When selecting an equivalent, ensure compatibility with voltage levels, package type, and operating temperature range specific to your application.
1. Texas Instruments SN75C3223
2. STMicroelectronics ST3232C
3. Analog Devices ADM232A
4. NXP Semiconductors SP232A
5. Intersil ICL232
These chips perform similar functions, converting TTL/CMOS logic levels to RS-232 levels, suitable for serial communication. When selecting an equivalent, ensure compatibility with voltage levels, package type, and operating temperature range specific to your application.
Features
The MAX232IDWR is a popular IC used for serial communication, specifically for converting signals between RS-232 and TTL logic. Here are its key features:
1. Dual Transmitter/Receiver: It includes two drivers and two receivers for full duplex serial communication.
2. Voltage Levels: Converts RS-232 levels (±3 V to ±15 V) to TTL levels (0 V to 5 V) and vice versa.
3. Power Supply: Operates on a single 5V power supply.
4. Charge Pump: Features an integrated charge pump, which eliminates the need for dual power supplies by generating the necessary RS-232 voltage levels internally.
5. Capacitor Requirement: Requires four external capacitors for the charge pump operation.
6. Low Supply Current: Typically around 8 mA, making it energy efficient.
7. High Data Rate: Capable of supporting data rates up to 120 kbps.
8. Operating Temperature Range: Designed to operate in a wide temperature range, typically from -40°C to +85°C.
9. Package Type: Available in SO-16 (Small Outline) package.
These features make the MAX232IDWR ideal for use in applications requiring reliable RS-232 communication, such as computer serial ports, embedded systems, and networking equipment.
1. Dual Transmitter/Receiver: It includes two drivers and two receivers for full duplex serial communication.
2. Voltage Levels: Converts RS-232 levels (±3 V to ±15 V) to TTL levels (0 V to 5 V) and vice versa.
3. Power Supply: Operates on a single 5V power supply.
4. Charge Pump: Features an integrated charge pump, which eliminates the need for dual power supplies by generating the necessary RS-232 voltage levels internally.
5. Capacitor Requirement: Requires four external capacitors for the charge pump operation.
6. Low Supply Current: Typically around 8 mA, making it energy efficient.
7. High Data Rate: Capable of supporting data rates up to 120 kbps.
8. Operating Temperature Range: Designed to operate in a wide temperature range, typically from -40°C to +85°C.
9. Package Type: Available in SO-16 (Small Outline) package.
These features make the MAX232IDWR ideal for use in applications requiring reliable RS-232 communication, such as computer serial ports, embedded systems, and networking equipment.
Pinout
The MAX232IDWR is a dual driver/receiver IC used for RS-232 communication, manufactured by Texas Instruments. It is specifically designed to convert TTL voltage levels to RS-232 compatible levels and vice versa. The IC is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) form factor.
Here is a concise breakdown of its pin functions:
1. VCC: Power supply pin for the TTL side (usually +5V).
2. GND: Ground pin.
3. C1+: Positive terminal for the external capacitor C1.
4. C1-: Negative terminal for the external capacitor C1.
5. C2+: Positive terminal for the external capacitor C2.
6. C2-: Negative terminal for the external capacitor C2.
7. V+: Positive voltage output for RS-232 level conversion.
8. V-: Negative voltage output for RS-232 level conversion.
9. T1IN: TTL/CMOS input of driver 1.
10. T1OUT: RS-232 level output of driver 1.
11. R1IN: RS-232 level input of receiver 1.
12. R1OUT: TTL/CMOS output of receiver 1.
13. T2IN: TTL/CMOS input of driver 2.
14. T2OUT: RS-232 level output of driver 2.
15. R2IN: RS-232 level input of receiver 2.
16. R2OUT: TTL/CMOS output of receiver 2.
The MAX232IDWR uses an internal charge pump with capacitors connected to pins C1 and C2 to generate the necessary RS-232 levels.
Here is a concise breakdown of its pin functions:
1. VCC: Power supply pin for the TTL side (usually +5V).
2. GND: Ground pin.
3. C1+: Positive terminal for the external capacitor C1.
4. C1-: Negative terminal for the external capacitor C1.
5. C2+: Positive terminal for the external capacitor C2.
6. C2-: Negative terminal for the external capacitor C2.
7. V+: Positive voltage output for RS-232 level conversion.
8. V-: Negative voltage output for RS-232 level conversion.
9. T1IN: TTL/CMOS input of driver 1.
10. T1OUT: RS-232 level output of driver 1.
11. R1IN: RS-232 level input of receiver 1.
12. R1OUT: TTL/CMOS output of receiver 1.
13. T2IN: TTL/CMOS input of driver 2.
14. T2OUT: RS-232 level output of driver 2.
15. R2IN: RS-232 level input of receiver 2.
16. R2OUT: TTL/CMOS output of receiver 2.
The MAX232IDWR uses an internal charge pump with capacitors connected to pins C1 and C2 to generate the necessary RS-232 levels.
Manufacturer
The MAX232IDWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog and embedded processing chips. TI is known for producing a wide range of electronic components and is a leader in the semiconductor industry. The company provides solutions for various applications, including industrial, automotive, personal electronics, and communications equipment.
Application
The MAX232IDWR is a dual RS-232 driver/receiver IC used primarily for serial communication interfaces. Its application areas include:
1. Embedded Systems: Facilitates serial communication between microcontrollers and other peripherals.
2. Industrial Automation: Used in control systems for data exchange between different equipment.
3. Telecommunications: Enables data transmission in modems and other communication devices.
4. Consumer Electronics: Found in devices like GPS units, cameras, and PDAs for data interfacing.
5. Computing: Provides connectivity for legacy serial ports in PCs and networking equipment.
6. Instrumentation: Used in data logging devices and measurement tools for RS-232 communication.
It's valued for its ability to convert TTL/CMOS logic levels to RS-232 levels and vice versa, simplifying interfacing tasks.
1. Embedded Systems: Facilitates serial communication between microcontrollers and other peripherals.
2. Industrial Automation: Used in control systems for data exchange between different equipment.
3. Telecommunications: Enables data transmission in modems and other communication devices.
4. Consumer Electronics: Found in devices like GPS units, cameras, and PDAs for data interfacing.
5. Computing: Provides connectivity for legacy serial ports in PCs and networking equipment.
6. Instrumentation: Used in data logging devices and measurement tools for RS-232 communication.
It's valued for its ability to convert TTL/CMOS logic levels to RS-232 levels and vice versa, simplifying interfacing tasks.
Package
The MAX232IDWR is a line driver/receiver IC by Texas Instruments, typically used for RS-232 communication. It comes in a 16-pin SOIC (Small Outline Integrated Circuit) package, which is denoted by the "DW" in the part number. The "R" signifies that it is supplied in a reel for automated assembly.
