MAX232 IC
Feature
- TTL/CMOS to RS232 Converter IC
- Can support two conversion at the same time (Dual drivers and Receivers)
- Easy to set-up and initialize
IC MAX232 is used for TTL/CMOS to RS232 conversion. Meaning most of our Microcontrollers (PIC/ARM/Atmel) operates on TTL/CMOS logic that is it communicates through either 0V or +5V, but our computers work with the help of RS232 which operates at logic level -24V or +24V. So, if we have to interface these microcontrollers with Computer we need to convert the TTL/CMOS logic to RS232 logic. Hence if you are looking for an IC to perform this conversion and interface a Microcontroller with your computer then MAX232 IC is the right one for you.
Pin Configuration
- C1 +: Connects to the positive end of First capacitor
- V+: Connects to one end of the capacitor & other end is grounded
- C1 -: Connects to the negative end of First Capacitor
- C2+: Connects to positive end of second capacitor
- C2-: Connects to negative end of second capacitor
- V-: Connects to one end of the capacitor & other end is grounded
- T2 OUT: Transmission pin of second converter module for RS232 cable
- R2 IN: Reception pin of second converter module for RS232 cable
- R2 OUT: Reception pin of second converter module for Microcontroller(Rx
- T2 IN: Transmission pin of second converter module for Microcontroller(Tx)
- T1 IN: Transmission pin of first converter module for Microcontroller(Tx)
- R1 OUT: Reception pin of first converter module for Microcontroller(Rx)
- R1 IN: Reception pin of first converter module for RS232 cable
- T1 OUT: Transmission pin of first converter module for RS232 cable
- Ground: Connects to the ground of the circuit
- Vcc: Connects to the supply voltage typically +5V
Application
- Used to Connect Microcontroller with Computers
- TTL/CMOS logic to RS232 converters
- Used in RS232 cables
Technical Specifications
Weight | 5 g |
---|---|
Operating speed | 120kbit/s |
Input Levels | ±30V |
Operating current | 8mA |
Package | 16-pin PDIP, SO, SOIC packages |
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