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ADM3202ARN
® SP3222B/3232B True +3.0V to +5.5V RS-232 Transceivers 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 (SP3222B) ■ Interoperable with RS-232 down to +2.7V power source ■ ESD Specifications: ±2kV Human Body Model EN 18 SHDN 1 C1+ 2 17 VCC V+ 3 16 GND C1- 4 15 T1OUT C2+ 5 14 R1IN C2- 6 13 R1OUT 12 T1IN SP3222B V- 7 T2OUT 8 11 T2IN R2IN 9 10 R2OUT DIP/SO Now Available in Lead Free Packaging Note: See page 6 for other pinouts DESCRIPTION The SP3222B/3232B series is an RS-232 transceiver solution intended for portable or handheld applications such as notebook or palmtop computers. The SP3222B/3232B series has a high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump allows the SP3222B/3232B series to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The ESD tolerance of the SP3222B/3232B devices are over ±15kV for both Human Body Model and IEC10004-2 Air discharge test methods. The SP3222B 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. SELECTION TABLE MODEL Power Supplies RS-232 Drivers RS-232 Receivers External Components Shutdown TTL 3-State No. of Pins SP3222B +3.0V to +5.5V 2 2 4 Yes Yes 18, 20 SP3232B +3.0V to +5.5V 2 2 4 No No 16 Rev. 7/08/03 SP3222B/3232B True +3.0 to +5.5V RS-232 Transceivers 1 © Copyright 2003 Sipex Corporation
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Analog Devices
U.S.A
半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。
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