SP3220EB/EU

The SP3220EB/EU device is an RS-232 driver/receiver solution intended for portable or handheld applications such as notebook or palmtop computers. The SP3220EB/EU device has a highefficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump allows the SP3220EB/EU device to deliver true RS-232 performance from a single power supply ranging from +3.3V to +5.0V. The ESD tolerance of the SP3220EB/EUE device is over ±15kV for both Human Model and IEC1000-4-2 Air discharge test methods.

The SP3220EB/EU device has a low-power shutdown mode where the driver outputs and charge pumps are disabled. During shutdown, the supply current falls to less than 1µA.

The SP3220EB/EU device meets the EIA/TIA- 232 and 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 SP3220EB/EU device features Sipex's proprietary onboard charge pump circuitry that generates 2 x VCC 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 +3.0V to +5.5V systems, or +5.0V-only systems that require true RS-232 performance. The SP3220EB device has a driver that can operate at a data rate of 250Kbps fully loaded. The SP3220EU can Operate at 1000Kbps

The SP3220EB/EU is a 1-driver/1-receiver device ideal for portable or hand-held applications. The SP3220EB/EU features a 1µA shutdown mode that reduces power consumption and extends battery life in portable systems. Its receivers remain active in shutdown mode, allowing external devices such as modems to bemonitored using only 1µA supply current.