Maxim-MAX202-Linear-Dual-RS232-Transceivers-Maxim-MAX202CWE-The-MAX202CWE-is-a-transceiver-that-is-designed-as-a-RS232-V-28-&-EIA-TIA-232E-communications-interface-especially-where-12V-supplies-are-not-available-The-device-consists-of-charge-pump-voltage-converters-drivers-transmitters-&-receivers-This-version-is-recommended-for-low-cost-critical-applications-&-is-suitable-for-applications-such-as-portable-computers-low-power-modems-interface-translation-battery-powered-RS23