# UT232E RS-232 Line Drivers/Receivers

## Description
️· High-performance CMOS IC with dual charge-pump circuit.
️· Compliant with RS-232D and V.28 specifications.
️· Designed for longer cable configurations and guaranteed 120kbps transmission rate.
️· Enhanced ESD protection, low power dissipation, and utilizes four 0.1µF charge pump capacitors.

## Features
️· Supply Voltage: 3.3V ~ 5.5V
️· Supply Current: 3.0mA
️· Receiver Input Levels: ±25V
️· Slew Rate: 10V/µs (under load)
️· Data Rate: 120kbps (under load)
️· ESD Protection: Exceeds ±8KV HBM for RS-232 I/O pins
️· Outputs: 3-State TTL/CMOS receiver outputs.

## Ordering Information
️· Package Options: DIP-16, SOP-16, SSOP-16 (209mil)
️· Availability: Lead Free & Halogen Free options available.
️· Packing: Tube or Tape Reel

## Pin Description (Key Pins)
️· C1+, C1-, C2+, C2-: Charge Pump Capacitor Terminals.
️· V+, V-: Positive/Negative Voltage generated by Charge Pump.
️· T1OUT/T2OUT: RS-232 Transmitter Outputs.
️· R1IN/R2IN: RS-232 Receiver Inputs.
️· T1IN/T2IN: TTL/CMOS Transmitter Inputs.
️· R1OUT/R2OUT: TTL/CMOS Receiver Outputs.
️· GND: Ground.
️· VCC: Power Supply.

## Absolute Maximum Ratings
️· VCC: -0.3 to +6.0V
️· V+, V-: -0.3 to ±7.0V
️· Input Voltages (RIN): -25 to +25V
️· Operating Temperature (TOPR): 0 to +70°C

## Electrical Characteristics (Key Parameters)
️· Logic Threshold (TTL): 0.8V (Low), 2.0-2.4V (High)
️· Output Voltage Swing (RS-232): ±5.0V to ±6.0V
️· Output Resistance: 300Ω to 10MΩ
️· Hysteresis: 0.2-1.0V

## Function Description
️· Drivers/Transmitters: Convert TTL/CMOS inputs to inverted RS-232 signals.
️· Receivers: Convert RS-232 signals to inverted TTL signals with hysteresis for noise immunity.
️· Charge Pump: Generates required operating voltages from a single +5.0V supply using 0.1µF capacitors.