仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Obsolete |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 2/2 |
| Duplex | Full |
| ReceiverHysteresis | 500 mV |
| DataRate | 120Kbps |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
概要
Description
The MAX232EESE is an integrated circuit commonly used for RS-232 communication interfaces, which is essential in connecting microcontrollers and computers to serial devices. It is part of the MAX232 chip family, designed by Maxim Integrated. The MAX232EESE converts signals from a serial port, which are typically in the RS-232 voltage levels, to the TTL (Transistor-Transistor Logic) levels that microcontrollers can understand, and vice versa.
This chip includes dual drivers and receivers, allowing it to handle two data channels simultaneously. It operates on a single 5V power supply and internally generates the necessary RS-232 voltage levels using charge-pump capacitors. The "EESE" suffix in its name refers to the specific package and temperature range variant, often indicating it has a narrow plastic small-outline package (NSOIC).
The MAX232EESE is widely used due to its reliability, ease of use, and the minimal external components required for operation. It is suitable for applications needing serial communication, such as GPS modules, modems, and microcontroller interfacing.
This chip includes dual drivers and receivers, allowing it to handle two data channels simultaneously. It operates on a single 5V power supply and internally generates the necessary RS-232 voltage levels using charge-pump capacitors. The "EESE" suffix in its name refers to the specific package and temperature range variant, often indicating it has a narrow plastic small-outline package (NSOIC).
The MAX232EESE is widely used due to its reliability, ease of use, and the minimal external components required for operation. It is suitable for applications needing serial communication, such as GPS modules, modems, and microcontroller interfacing.
Equivalent
The MAX232EESE is a dual RS-232 driver/receiver with a charge pump. Equivalent products include:
1. Texas Instruments' MAX232ECSE
2. STMicroelectronics' ST232C
3. Analog Devices' ADM232A
4. NXP's SP232ECT
5. Intersil's ICL232
These alternatives offer similar RS-232 communication capabilities and pin configurations, making them suitable replacements in most applications. Always verify specifications and pin compatibility before substitution.
1. Texas Instruments' MAX232ECSE
2. STMicroelectronics' ST232C
3. Analog Devices' ADM232A
4. NXP's SP232ECT
5. Intersil's ICL232
These alternatives offer similar RS-232 communication capabilities and pin configurations, making them suitable replacements in most applications. Always verify specifications and pin compatibility before substitution.
Features
The MAX232EESE is a dual driver/receiver that includes the following features:
1. Dual Channel: Supports two independent channels for communication.
2. Voltage Levels: Converts RS-232 signals to TTL/CMOS voltage levels and vice versa.
3. Integrated Charge Pumps: Requires no external components for voltage conversion, simplifying design.
4. Single Supply Operation: Operates with a single 5V power supply, making it easy to integrate into a variety of systems.
5. Data Rate: Capable of data rates up to 250 kbps, enabling fast communication.
6. Low Power Consumption: Features low quiescent current, which is crucial for battery-powered and power-sensitive applications.
7. Wide Operating Temperature: Suitable for operation in commercial temperature ranges, ensuring reliability in different environments.
8. ESD Protection: Provides robust electrostatic discharge protection for improved durability.
9. Pin Compatibility: Compatible with industry-standard pin configurations for ease of integration.
These features make the MAX232EESE ideal for serial communication applications, ensuring reliable and efficient data transmission between devices.
1. Dual Channel: Supports two independent channels for communication.
2. Voltage Levels: Converts RS-232 signals to TTL/CMOS voltage levels and vice versa.
3. Integrated Charge Pumps: Requires no external components for voltage conversion, simplifying design.
4. Single Supply Operation: Operates with a single 5V power supply, making it easy to integrate into a variety of systems.
5. Data Rate: Capable of data rates up to 250 kbps, enabling fast communication.
6. Low Power Consumption: Features low quiescent current, which is crucial for battery-powered and power-sensitive applications.
7. Wide Operating Temperature: Suitable for operation in commercial temperature ranges, ensuring reliability in different environments.
8. ESD Protection: Provides robust electrostatic discharge protection for improved durability.
9. Pin Compatibility: Compatible with industry-standard pin configurations for ease of integration.
These features make the MAX232EESE ideal for serial communication applications, ensuring reliable and efficient data transmission between devices.
Pinout
The MAX232EESE is an integrated circuit used for converting signals between RS-232 serial ports and TTL (Transistor-Transistor Logic) compatible digital logic circuits. It is part of the MAX232 family and typically comes in a 16-pin package. Below is the pin count and function:
1. C1+: Positive terminal for the voltage-doubling capacitor.
2. V+: Voltage generated for the RS-232 driver's positive supply.
3. C1-: Negative terminal for the voltage-doubling capacitor.
4. C2+: Positive terminal for the voltage-inverting capacitor.
5. C2-: Negative terminal for the voltage-inverting capacitor.
6. V-: Voltage generated for the RS-232 driver's negative supply.
7. T2OUT: Transmitter 2 output; RS-232 level.
8. R2IN: Receiver 2 input; RS-232 level.
9. R2OUT: Receiver 2 output; TTL level.
10. T2IN: Transmitter 2 input; TTL level.
11. T1IN: Transmitter 1 input; TTL level.
12. R1OUT: Receiver 1 output; TTL level.
13. R1IN: Receiver 1 input; RS-232 level.
14. T1OUT: Transmitter 1 output; RS-232 level.
15. GND: Ground.
16. VCC: Supply voltage; typically 5V.
This configuration allows the MAX232EESE to effectively handle the level shifting necessary for RS-232 communication.
1. C1+: Positive terminal for the voltage-doubling capacitor.
2. V+: Voltage generated for the RS-232 driver's positive supply.
3. C1-: Negative terminal for the voltage-doubling capacitor.
4. C2+: Positive terminal for the voltage-inverting capacitor.
5. C2-: Negative terminal for the voltage-inverting capacitor.
6. V-: Voltage generated for the RS-232 driver's negative supply.
7. T2OUT: Transmitter 2 output; RS-232 level.
8. R2IN: Receiver 2 input; RS-232 level.
9. R2OUT: Receiver 2 output; TTL level.
10. T2IN: Transmitter 2 input; TTL level.
11. T1IN: Transmitter 1 input; TTL level.
12. R1OUT: Receiver 1 output; TTL level.
13. R1IN: Receiver 1 input; RS-232 level.
14. T1OUT: Transmitter 1 output; RS-232 level.
15. GND: Ground.
16. VCC: Supply voltage; typically 5V.
This configuration allows the MAX232EESE to effectively handle the level shifting necessary for RS-232 communication.
Manufacturer
The MAX232EESE is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits and embedded processors. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovative solutions in analog and embedded processing, catering to various industries such as automotive, industrial, consumer electronics, and communications. The company is recognized for its focus on innovation, sustainability, and excellence in manufacturing, providing essential components that power a vast array of electronic devices and systems worldwide.
Application
The MAX232EESE is primarily used in applications requiring RS-232 serial communication, such as connecting microcontrollers or microprocessors to PCs, embedded systems, or other serial devices. It serves as a voltage level translator that converts signals from a Transistor-Transistor Logic (TTL) compatible level to RS-232 level, and vice versa. Typical application areas include data communication interfaces, industrial automation systems, point-of-sale systems, and networking equipment. It helps ensure reliable data transmission over longer distances by providing signal inversion and voltage level shifting, which are crucial for maintaining signal integrity in serial communication systems.
Package
The MAX232EESE is a dual RS-232 driver/receiver IC used for serial communication. It typically comes in a 16-pin narrow SOIC (Small Outline Integrated Circuit) package, which is denoted by the "ESE" suffix in the part number. This package is compact and suitable for surface-mount technology.