SP3221E Datasheet
SP3221E Datasheet (Exar)
Exar
The SP3221E is an RS-232 transceiver solution intended for portable applications such as notebook and hand held computers. This device uses an internal high-efficiency, charge-pump power supply that r.
* Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
* Interoperable with EIA/TIA-232 and adheres
to EIA/TIA-562 down to a +2.7V power source
* AUTO ON-LINE® circuitry automatically wakes up from a 1µA typical shutdown
* Minimum 250kbps data rate under load
* Regulated charge pump.
SP3221E Datasheet (Sipex)
Sipex
The SP3221E is a RS-232 transceiver solution intended for portable or hand-held applications such as notebook and palmtop computers. The SP3221E has a high-efficiency, charge-pump power supply that r.
Sipex's proprietary and patented (U.S.
* 5,306,954) on-board charge pump circuitry that generates ±5.5V RS-232 voltage levels from a single +3.0V to +5.5V power supply. The SP3221E device can operate at a typical data rate of 240Kbps fully loaded. The SP3221E is a 1-driver/1-receiver device is ideal.
SP3221E Datasheet (MaxLinear)
MaxLinear
The SP3221E is an RS-232 transceiver solution intended for portable applications such as notebook and hand held computers. This device uses an internal high-efficiency, charge-pump power supply that r.
* Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
* Interoperable with EIA/TIA-232 and adheres
to EIA/TIA-562 down to a +2.7V power source
* AUTO ON-LINE® circuitry automatically wakes up from a 1µA typical shutdown
* Minimum 250kbps data rate under load
* Regulated charge pump.