+5V-Powered, Multichannel RS-232 Drivers/Receivers The MAX232A is an integrated circuit (IC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Manufacturer Specifications:**
1. **Manufacturer:** Maxim Integrated (now Analog Devices)
2. **Type:** Dual RS-232 Driver/Receiver
3. **Operating Voltage:** +5V
4. **Data Rate:** Up to 120 kbps
5. **Number of Drivers/Receivers:** 2 drivers, 2 receivers
6. **ESD Protection:** ±15 kV (Human Body Model)
7. **Operating Temperature Range:**
- Commercial (0°C to +70°C)
- Industrial (-40°C to +85°C)
8. **Package Options:**
- 16-pin PDIP
- 16-pin SOIC
- 16-pin TSSOP
### **Descriptions:**
- The MAX232A is a dual RS-232 transceiver designed for serial communication between microcontrollers and PCs or other RS-232 devices.
- It converts TTL/CMOS logic levels (0V and 5V) to RS-232 voltage levels (±5V to ±15V) and vice versa.
- It includes an on-board charge-pump voltage doubler and inverter to generate RS-232 voltages from a single +5V supply.
- It is an improved version of the original MAX232, with better performance and reliability.
### **Features:**
1. **Single +5V Power Supply Operation** – Eliminates the need for dual power supplies.
2. **On-Chip Charge Pump** – Generates RS-232 compliant voltage levels (±7.5V) from a +5V supply.
3. **Low Power Consumption** – Typically consumes 5mA of supply current.
4. **Compatible with TTL and CMOS Logic Levels** – Interfaces directly with microcontrollers.
5. **Robust ESD Protection** – Protects against electrostatic discharge up to ±15 kV.
6. **Wide Operating Temperature Range** – Supports industrial and commercial applications.
7. **Meets EIA/TIA-232-F Standards** – Ensures compliance with RS-232 communication standards.
This information is based solely on the manufacturer's datasheet and technical documentation.
