SP3232EBCN-L/TR

The SP3222EB and SP3232EB series are RS-232 transceiver solutions intended for portable or hand-held applications such as notebook or laptop computers. The SP3222EB / SP3232EB series has a high-efficiency, charge-pump power supply that requires only 0.1μF capacitors in 3.3V operation. This charge pump allows the SP3222EB / SP3232EB series to deliver true RS-232 performance from a single power supply ranging from 3.0V to 5.5V. The SP3222EB / SP3232EB are 2-driver / 2-receiver devices. The ESD tolerance of the SP3222EB / SP3232E devices is over ±15KV for both Human Body Model and IEC61000-4-2 Air discharge test methods. The SP3222EB device has a low-power shutdown mode where the devices’ driver outputs and charge pumps are disabled. During shutdown, the supply current falls to less than 1μA. The SP3222EB / SP3232EB transceivers meet the EIA / TIA-232 and ITU-T V.28/V.24 communication protocols and can be implemented in battery-powered, portable, or hand-held applications such as notebook or palmtop computers. The SP3222EB / SP3232EB devices feature proprietary on-board charge pump circuitry that generates ±5.5V for RS-232 voltage levels from a single 3.0V to 5.5V power supply. This series is ideal for 3.3V-only systems, mixed 3.3V to 5.5V systems, or 5.0V-only systems that require true RS-232 performance. The SP3222EB / SP3232EB devices can operate at a data rate of 250kbps when fully loaded.

Applications

• notebook or laptop computers
• notebook or palmtop computers

Key features

• Meets true EIA / TIA-232-F standards from a 3.0V to 5.5V power supply
• 250kbps transmission rate under load
• 1μA low power shutdown with receivers active (SP3222EB)
• Interoperable with RS-232 down to a 2.7V power source
• Enhanced ESD specifications: ±15kV Human Body Model
• ±15kV IEC61000-4-2 Air Discharge ±8kV IEC61000-4-2 Contact Discharge