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ADM3312EACPZ Datasheet(PDF) 1 Page - Analog Devices |
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ADM3312EACPZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page 15 kV ESD Protected, 2.7 V to 3.6 V Serial Port Transceivers with Green Idle™ Data Sheet ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E1 Rev. I Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Green Idle power-saving mode Single 2.7 V to 3.6 V power supply Operates with 3 V logic 0.1 µF to 1 µF charge pump capacitors Low EMI Low power shutdown: 20 nA Full RS-232 compliance 460 kb/s data rate One receiver active in shutdown (ADM3307E/ADM3311E/ADM3312E/ADM3315E) Two receivers active in shutdown (ADM3310E) ESD >15 kV IEC 1000-4-2 on RS-232 I/Os ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os (ADM3307E) Qualified for automotive applications APPLICATIONS Mobile phone handsets/data cables Laptop and notebook computers Printers Peripherals Modems PDAs/Hand-Held Devices/Palmtop Computers FUNCTIONAL BLOCK DIAGRAMS VCC R1OUT T5IN T4IN T1IN T1OUT T3IN T2IN ADM3307E SD V+ C1+ C1– C2– V– C3+ VCC GND C2 C3– C2+ C1 0.1µF 0.1µF R2OUT R3OUT T2OUT T3OUT T4OUT T5OUT R1IN R2IN R3IN 0.1µF CERAMIC 10µF TANTALUM + C4 0.1µF SHUTDOWN INPUT ENABLE INPUT CMOS INPUTS1 CMOS OUTPUTS EN VOLTAGE TRIPLER/ INVERTER +3V TO ±9V C3 0.1µF C5 0.1µF EIA/TIA-232 OUTPUTS EIA/TIA-232 INPUTS2 T1 T3 T2 T5 T4 R3 R1 R2 1INTERNAL 400k Ω PULL-UP RESISTOR ON EACH CMOS INPUT. 2INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT. Figure 1. ADM3307E Functional Block Diagram VCC T1IN T1OUT T3IN T2IN ADM3310E/ ADM3311E C1+ V+ C3– C2– VCC C1– GND C2+ SD V– C3+ C1 0.1µF T2OUT T3OUT 0.1µF CERAMIC 10µF TANTALUM + C4 0.1µF C2 0.1µF ENABLE INPUT SHUTDOWN INPUT CMOS INPUTS1 CMOS OUTPUTS EN VOLTAGE TRIPLER/ INVERTER +3V TO ±9V C3 0.1µF C5 0.1µF EIA/TIA-232 OUTPUTS EIA/TIA-232 INPUTS2 R1OUT R1IN R1 R3OUT R3IN R3 R2OUT R2IN R2 R5OUT R5IN R5 R4OUT R4IN R4 T3 T1 T2 1INTERNAL 400k Ω PULL-UP RESISTOR ON EACH CMOS INPUT. 2INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT. VCC T1IN T1OUT T3IN T2IN ADM3312E/ ADM3315E C1+ V+ C3– C2– VCC C1– GND C2+ SD V– C3+ C1 0.1µF T2OUT T3OUT 0.1µF CERAMIC 10µF TANTALUM + C4 0.1µF C2 0.1µF ENABLE INPUT SHUTDOWN INPUT CMOS INPUTS1 EN VOLTAGE TRIPLER/ INVERTER +3V TO ±9V C3 0.1µF C5 0.1µF CMOS OUTPUTS EIA/TIA-232 OUTPUTS EIA/TIA-232 INPUTS2 R1OUT R1IN R3OUT R3IN R2OUT R2IN R1 R3 R2 T3 T1 T2 1INTERNAL 400k Ω PULL-UP RESISTOR ON EACH CMOS INPUT. 2INTERNAL 5k Ω (22kΩ FOR ADM3315E) PULL-DOWN RESISTOR ON EACH RS-232 INPUT. Figure 2. ADM3310E/ADM3311E Functional Block Diagram Figure 3. ADM3312E/ADM3315E Functional Block Diagram 1 Protected by U.S. Patent No. 5,606,491. |
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