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MAX232EPE
+BOMIC TRANSCEIVER FULL 2/2 16PDIP
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Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp
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Ông. Phần #MAX232EPE
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Có sẵn2369
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| 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 | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP |
| Base Product Number | MAX232 |
Tổng quan
Description
The key features of the MAX232EPE include its capability to operate from a single +5V power supply, making it suitable for low-power applications. It contains built-in charge pumps that generate the necessary voltage levels for RS-232 communication, allowing it to convert TTL logic levels (0-5V) to RS-232 compatible levels (typically ±3 to ±15V).
The device typically includes two receivers and two drivers, enabling full-duplex communication. It is commonly used in serial port communication, modems, and various embedded systems where reliable data transmission is required. The MAX232EPE is recognized for its robustness, efficiency, and ease of integration into various electronic designs.
Equivalent
1. MAX232 (standard version)
2. MAX220 (low-power version)
3. MAX239 (higher data rate)
4. ST202 (similar functionality)
5. LM232 (older variant)
6. SP232 (low-cost alternative)
These alternatives serve similar voltage level shifting and RS-232 communication functions. Always check specific datasheets for compatibility.
Features
1. Dual Drivers/Receivers: It includes two drivers and two receivers, facilitating bidirectional data transmission.
2. Voltage Range: Operates with a single power supply of +5V, making it suitable for low-voltage applications.
3. Voltage Conversion: Converts TTL/CMOS logic levels to RS-232 levels and vice versa, ensuring compatibility with serial devices.
4. Integrated Charge Pump: Contains an integrated charge pump that generates the necessary voltages for RS-232 levels, eliminating the need for external components.
5. High Data Rate: Supports baud rates up to 120 kbps, making it suitable for various serial communication needs.
6. Low Power Consumption: Designed for efficiency, it consumes minimal power during operation.
7. Wide Temperature Range: Operates effectively across a broad temperature range, enhancing reliability in different environments.
These features make the MAX232EPE ideal for interfacing microcontrollers with RS-232 devices in various applications.
Pinout
Pin Count and Functions:
1. V+ (Pin 1): Positive power supply (typically +5V).
2. V- (Pin 2): Negative power supply (typically -5V).
3. C1+ (Pin 3): Connection for external capacitor (used for charge pump).
4. C1- (Pin 4): Connection for external capacitor.
5. C2+ (Pin 5): Connection for external capacitor.
6. C2- (Pin 6): Connection for external capacitor.
7. T1IN (Pin 7): TTL input for data transmission.
8. T1OUT (Pin 8): RS-232 output corresponding to T1IN.
9. R1IN (Pin 9): RS-232 input for receiving data.
10. R1OUT (Pin 10): TTL output corresponding to R1IN.
11. T2IN (Pin 11): Second TTL input for data transmission.
12. T2OUT (Pin 12): Second RS-232 output corresponding to T2IN.
13. R2IN (Pin 13): Second RS-232 input for receiving data.
14. R2OUT (Pin 14): Second TTL output corresponding to R2IN.
15. GND (Pin 15): Ground connection.
16. NC (Pin 16): No connection.
The device typically requires external capacitors for proper operation.
Manufacturer
The MAX232EPE is a popular RS-232 level shifter that converts signals from TTL logic levels to RS-232 levels and vice versa. It is commonly used in serial communication applications, making it a crucial component in many electronic devices.
In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Analog Devices continues to produce and support the MAX232EPE and other Maxim Integrated products within its extensive portfolio, serving various industries such as telecommunications, automotive, medical, and industrial sectors.
Application
1. Microcontroller Communication: Facilitating communication between microcontrollers and RS-232 devices.
2. Data Acquisition Systems: Enabling data transfer between sensors and computers.
3. Modems: Connecting modems to microcontrollers or computers for data transmission.
4. Industrial Automation: Used in PLCs and industrial controllers for interfacing with serial devices.
5. Point-of-Sale Systems: Connecting peripherals like barcode scanners and receipt printers.
Its versatility makes it suitable for various electronic projects requiring serial communication.