BUY MC1488P https://www.utsource.net/itm/p/1273287.html
RS232C QUAD LINE DRIVER
Description: The MC1488P is an operational amplifier (Op-Amp) for use in line driver, line receiver, and interface circuits with full TTL, DTL, and MOS compatibility. Features: Input Common Mode Voltage Range: Including Ground Low Output Saturation Voltage: 0.25V Max High Input Impedance: 1012Ω Bandwidth: 5MHz High Slew Rate: 17V/μs Low Power Consumption: 0.4mA Typ. Max Applications: Line Drivers Line Receivers Level Translation Circuits Audio Pre-Amplifiers Pulse Generators Sample and Hold Circuits Data Acquisition Systems Multipliers/Dividers Power Supply Regulation Telecom Equipment (For reference only)