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3.0V至5.5V RS-232驱动器/接收器SP3220E/EB/EU
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The SP3220E devices are RS-232 driver/receiver solutions intended for portable or hand-held applications such as palmtop computers， instrumentation and consumer products. These devices incorporate a high-efficiency， charge-pump power supply that allows the SP3220E devices to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.0V. This charge pump requires only 0.1µF capacitors in 3.3V operation. The ESD tolerance of the these devices are over +/-15kV for both Human Body Model and IEC61000-4-2 Air discharge test methods. All devices have a low-power shutdown mode where the driver outputs and charge pumps are disabled. During shutdown， the supply current falls to less than 1µA.
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丶936
2018-07-03
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