SP3221ECA SIPEX [Sipex Corporation], SP3221ECA Datasheet
SP3221ECA
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SP3221ECA Summary of contents
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Intelligent +3.0V to +5.5V RS-232 Transceiver Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply Operates with EIA/TIA-232 and adheres to EIA/TIA-562 down to a +2.7V power source Auto-Online ™ circuitry allows 1µA supply current when in shutdown ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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SPECIFICATIONS (continued) Unless otherwise noted, the following specifications apply for V Typical values apply +3.3V or +5.0V and ...
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SPECIFICATIONS (continued) Unless otherwise noted, the following specifications apply for V Typical values apply +3.3V or +5.0V and ...
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EN C1+ V+ C1- C2+ C2 Figure 4. SP32221E Pinout Configuration + 0.1µ 0.1µ 0.1µF TTL/CMOS INPUTS TTL/CMOS OUTPUTS POWER MANAGEMENT UNIT Figure 5. SP3221E Typical Operating Circuit ...
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DESCRIPTION The SP3221E transceiver meets the EIA/ TIA-232 and ITU-T V.28/V.24 communication protocols and can be implemented in battery- powered, portable, or hand-held applications such as notebook or hand held computers. The SP3221E device features Sipex's proprietary and patented (U.S.-- ...
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Charge Pump The charge pump is a Sipex–patented design (U.S. 5,306,954) and uses a unique approach compared to older less–efficient designs. The charge pump still requires four external capacitors, but uses a four–phase voltage shifting technique to attain symmetrical 5.5V ...
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RECEIVER RS-232 INPUT VOLTAGES -2. STATUS 0V +5V DRIVER RS-232 OUTPUT 0V VOLTAGES -5V Figure 9. Auto-Online Timing Waveforms + C 1 – –5V Figure 10. Charge Pump — Phase – Figure ...
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Ch1 2.00V Figure 12. Charge Pump Waveforms – –5V Figure 13. Charge Pump — Phase + – Figure ...
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Auto-Online Circuitry The SP3221E device has an Auto-Online cir- cuitry on board that saves power in the system the device is designed into without changes to the existing BIOS or operating system. The SP3221E device incorporates an Auto-Online circuit that ...
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ESD TOLERANCE The SP3221E device incorporates ruggedized ESD cells on all driver output and receiver input pins. The ESD structure is improved over our previous family for more rugged applications and environments sensitive to electrostatic discharges and associated transients. The ...
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Power Source Figure 18. ESD Test Circuit for IEC1000-4-2 The circuit model in Figures 17 and 18 represent the typical ESD testing circuit used for all three methods. The C is initially charged with the ...
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INDEX AREA PIN TSSOP Dimensions in (mm) JEDEC MO-153 (AB) Variation MIN 0.80 b 0.19 0. 6.40 BSC E1 4.30 ...
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INDEX AREA PIN SSOP Dimensions in (mm) JEDEC MO-150 (AC) Variation MIN NOM MAX 0.05 A2 1.65 1.75 b 0.22 0. 6.20 5.90 E 7.40 ...
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... SP3221EEA ......... ...............................-40°C to +85°C ............................................................ 16-pin SSOP SP3221EEA/TR .... ...............................-40°C to +85°C ............................................................ 16-pin SSOP Available in lead free packaging. To order add "-L" suffix to part number. Example: SP3221ECA/TR = standard; SP3221ECA-L/TR = lead free /TR = Tape and Reel Pack quantity is 1,500 for TSSOP and 2,500 for SSOP. ...