GENERAL DESCRIPTION
The ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E line of driver/receiver products is designed to fully meet the EIA-232 standard while operating with a single 2.7 V to 3.6 V power supply. The devices feature an on-board charge pump dc-to-dc converter, eliminating the need for dual power supplies. This dc-to-dc converter contains a voltage tripler and a voltage inverter that internally generates positive and negative supplies from the input 3 V power supply. The dc-to-dc converter operates in Green Idle™ mode, whereby the charge pump oscillator is gated on and off to maintain the output voltage at ±7.25 V under varying load conditions. This minimizes the power consumption and makes these products ideal for battery-powered portable devices.

FEATURES
    Green Idle power-saving mode
    Single 2.7 V to 3.6 V power supply
    Operates with 3 V logic
    0.1 µF to 1 µF charge pump capacitors
    Low EMI
    Low power shutdown: 20 nA
    Full RS-232 compliance
    460 kb/s data rate
    One receiver active in shutdown (ADM3307E/ADM3311E/ADM3312E/ADM3315E)
    Two receivers active in shutdown (ADM3310E)
    ESD >15 kV IEC 1000-4-2 on RS-232 I/Os
    ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os (ADM3307E)
    Qualified for automotive applications

APPLICATIONS
    Mobile phone handsets/data cables
    Laptop and notebook computers
    Printers
    Peripherals
    Modems
    PDAs/Hand-Held Devices/Palmtop Computers