規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Obsolete |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 2/2 |
| ReceiverHysteresis | 500 mV |
| DataRate | 120Kbps |
| Voltage-Supply | 5V |
| OperatingTemperature | -55°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | 16-CDIP (0.300, 7.62mm) |
概述
Features
The MAX232MJE is a dual driver/receiver IC designed for RS-232 communication, converting TTL/CMOS logic levels to RS-232 voltage levels (±5V to ±15V). Key features:
- Dual Charge-Pump Voltage Converter: Generates ±7.5V from a single +5V supply, eliminating the need for dual power rails.
- Two Drivers & Two Receivers: Supports full-duplex communication.
- Wide Supply Voltage Range: Operates at 4.5V to 5.5V.
- Low Power Consumption: Typically 5mA supply current.
- High Data Rate: Up to 120kbps transmission speed.
- Robust ESD Protection: ±15kV (Human Body Model) on I/O lines.
- Industrial Temperature Range: -40°C to +85°C (MJE suffix).
- DIP-16 Package: Easy to prototype.
Ideal for serial communication in microcontrollers, modems, and industrial systems.
- Dual Charge-Pump Voltage Converter: Generates ±7.5V from a single +5V supply, eliminating the need for dual power rails.
- Two Drivers & Two Receivers: Supports full-duplex communication.
- Wide Supply Voltage Range: Operates at 4.5V to 5.5V.
- Low Power Consumption: Typically 5mA supply current.
- High Data Rate: Up to 120kbps transmission speed.
- Robust ESD Protection: ±15kV (Human Body Model) on I/O lines.
- Industrial Temperature Range: -40°C to +85°C (MJE suffix).
- DIP-16 Package: Easy to prototype.
Ideal for serial communication in microcontrollers, modems, and industrial systems.
Pinout
The MAX232MJE is a 16-pin RS-232 transceiver IC designed for TTL-to-RS232 and RS232-to-TTL level conversion.
### Key Functions:
- Dual Charge-Pump Circuitry: Generates ±7.5V from a single 5V supply.
- Two Drivers & Two Receivers: Converts between TTL/CMOS and RS-232 signals.
- Pinout:
- TTL Side: T1IN, T2IN (TTL inputs), R1OUT, R2OUT (TTL outputs).
- RS-232 Side: T1OUT, T2OUT (RS-232 outputs), R1IN, R2IN (RS-232 inputs).
- Power Pins: VCC (5V), GND, C1+, C1-, C2+, C2- (for charge-pump capacitors).
Commonly used in UART communication (e.g., microcontrollers to PCs).
### Key Functions:
- Dual Charge-Pump Circuitry: Generates ±7.5V from a single 5V supply.
- Two Drivers & Two Receivers: Converts between TTL/CMOS and RS-232 signals.
- Pinout:
- TTL Side: T1IN, T2IN (TTL inputs), R1OUT, R2OUT (TTL outputs).
- RS-232 Side: T1OUT, T2OUT (RS-232 outputs), R1IN, R2IN (RS-232 inputs).
- Power Pins: VCC (5V), GND, C1+, C1-, C2+, C2- (for charge-pump capacitors).
Commonly used in UART communication (e.g., microcontrollers to PCs).
Application
The MAX232MJE is a dual driver/receiver IC used for RS-232 communication in TTL-to-serial and serial-to-TTL conversion. Key application areas include:
1. Industrial Automation – Interfaces microcontrollers with RS-232 devices (PLCs, sensors).
2. Embedded Systems – Connects MCUs (e.g., Arduino, PIC) to PCs/modems.
3. Telecommunication – Facilitates serial data exchange in modems and networking equipment.
4. Consumer Electronics – Used in legacy devices requiring serial communication.
5. Automotive Diagnostics – Links diagnostic tools to vehicle ECUs via RS-232.
It operates at ±30V input levels, ensuring robust signal conversion in noisy environments.
1. Industrial Automation – Interfaces microcontrollers with RS-232 devices (PLCs, sensors).
2. Embedded Systems – Connects MCUs (e.g., Arduino, PIC) to PCs/modems.
3. Telecommunication – Facilitates serial data exchange in modems and networking equipment.
4. Consumer Electronics – Used in legacy devices requiring serial communication.
5. Automotive Diagnostics – Links diagnostic tools to vehicle ECUs via RS-232.
It operates at ±30V input levels, ensuring robust signal conversion in noisy environments.
Package
The MAX232MJE is available in a 16-pin DIP (Dual In-line Package). This through-hole package is commonly used for easy prototyping and breadboarding. It features a standard 0.3-inch row spacing, making it compatible with most DIP sockets and PCBs. The "MJE" suffix typically indicates industrial-grade temperature range (-40°C to +85°C).
