# UT232E RS-232 Line Drivers/Receivers

## Features
️· Supply Voltage: 3.3V ~ 5.5V
️· Low Power Consumption: 3.0mA
️· Drivers/Receivers: Multiple
️· Receiver Input Levels: ±25V
️· Output Type: 3-State TTL/CMOS
️· Slew Rate: 10V/µs (under load), 35V/µs (max)
️· Data Rate: 120kbps (guaranteed)
️· Charge Pump Capacitors: Four external 0.1µF capacitors
️· ESD Protection: Exceeds ±8kV HBM for RS-232 I/O pins

## Pin Description (Key Pins)
️· C1+, C1-, C2+, C2-: Charge pump capacitor terminals.
️· V+, V-: Positive and negative voltages generated by charge pump.
️· T1OUT/T2OUT: RS-232 Transmitter Outputs
️· R1IN/R2IN: RS-232 Receiver Inputs
️· R1OUT/R2OUT: TTL/CMOS Receiver Outputs
️· T1IN/T2IN: TTL/CMOS Transmitter Inputs
️· VCC: Power Supply
️· GND: Ground

## Absolute Maximum Ratings
️· Supply Voltage (VCC): -0.3V to +6.0V
️· Operating Temperature (TOPR): 0°C to +70°C

## Electrical Characteristics (Key Parameters)
️· TTL Logic Threshold (Low): 0.8V
️· TTL Logic Threshold (High): 2.0V
️· RS-232 Output Voltage Swing: ±5.0V to ±6.0V
️· RS-232 Input Voltage Range: -25V to +25V

## Function Description
️· Drivers: Inverting transmitters converting TTL/CMOS to RS-232.
️· Receivers: Convert RS-232 to inverted TTL signals with hysteresis for noise immunity.
️· Charge Pump: Generates required voltages from a single +5.0V supply using internal oscillator and external capacitors. Operates with 0.1µF capacitors.

## Ordering Information
️· Packages: DIP-16, SOP-16, SSOP-16
️· Packing: Tube, Tape Reel
️· Availability: Lead Free and Halogen Free options available. (e.g., UT232EL-S16-T)