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屬性參數(shù)
Data Rate: 235kbps
ESD Voltage-Max: ±15kV
Operating Temp Range: 0°C to 70°C
Supply Voltage: 3V to 5.5V
Duplex: Full Duplex
Function: Transceiver
No. of Drivers: 2
No. of Receivers: 2
Supply Current: 0.3mA
Power Dissipation: 0.85W
No of Terminals: 16
Moisture Sensitivity Level: 1
封裝類型： TSSOP-16
安裝方式： Surface Mount
特性和應(yīng)用
The SP3222E/3232E series is an RS-232 transceiver solution intended for portable or handheld applications such as notebook or palmtop computers.
The SP3222E/3232E series has a high-efficiency, charge-pump power supply that requires only 0.1μF capacitors in 3.3V operation.
This charge pump allows the SP3222E/3232E series to deliver true RS-232 performance from a single power supply ranging from +3.3V to +5.0V.
The SP3222E/3232E are 2-driver/2-receiver devices.
This series is ideal for portable or hand-held applications such as notebook or palmtop computers. The ESD tolerance of the SP3222E/3232E devices are over ±15kV for both Human Body Model and IEC1000-4-2 Air discharge test methods.
The SP3222E 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 1uA.
Features
Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply
Minimum 120Kbps Data Rate Under Full Load
Interoperable with RS-232 down to +2.7V power source
Enhanced ESD Specifications:
±15kV Human Body Model
±15kV IEC1000-4-2 Air Discharge
±8kV IEC1000-4-2 Contact Discharge
RS-232 protocol is a standard for serial binary data signals connecting between a DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating Equipment). It is commonly used in computer serial ports. A similar ITU-T standard is V.24.
