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MAX2411A

Low-Cost RF Up/Downconverter with LNA and PA Driver

GeneralDescription TheMAX2411AperformstheRFfront-endtransmit/receivefunctionintime-division-duplex(TDD)communicationsystems.ItoperatesoverawidefrequencyrangeandisoptimizedforRFfrequenciesaround1.9GHz.ApplicationsincludemostpopularcordlessandPCSstandards.TheMA

MAX2411A

低成本、RF上/下變頻器，帶有LNA及PA驅動器; ? 采用低成本硅雙極性設計\n\n? 集成上變頻/下變頻功能\n\n? 采用+2.7V至+5.5V單電源供電\n\n? 3.2dB組合接收器噪聲系數：\n? 2.4dB (LNA)\n\n? 9.2dB（混頻器）\n\n\n\n\n? 靈活的功率放大器驅動器：\n? 18dBm輸出三階交調截點(OIP3)\n\n? 35dB增益控制范圍\n\n\n\n\n? 針對低LO驅動電平提供LO緩沖器\n\n? 低功耗：\n? 60mW（接收）\n\n? 90mW（全功率發(fā)射）\n\n\n\n\n? 0.3μW（關斷模式）\n\n? 靈活的關斷模式與MAX2510/MAX2511 IF收發(fā)器兼容;

MAX2411A在時分雙工(TDD)通信系統中執(zhí)行RF前端發(fā)送/接收功能。其工作頻率范圍寬，并針對1.9GHz左右的RF頻率進行了優(yōu)化。應用包括常見的無繩和PCS標準。MAX2411A集成了低噪聲放大器(LNA)、下變頻混頻器、本振緩沖器、上變頻混頻器和可變增益功率放大器(PA)驅動器，采用低成本塑料表貼封裝。MAX2411A帶有一個特別的雙向、差分IF端口，允許發(fā)射和接收路徑共用同一個IF濾波器，從而降低了成本并減少了元件數量。\n\n LNA的典型噪聲系數為2.4dB，輸入三階交調截點(IP3)為-10dBm。下變頻混頻器的低噪聲系數為9.2dB，輸入IP3為4dBm。圖像和本振濾波在片外實現，以充分提高靈活性。PA驅動器放大器的增益為15dB，可以在35dB的范圍內降低。接收模式下的功耗僅為60mW，發(fā)射模式下僅為90mW，在關斷模式下會降至3μW以下。\n\n 對于需要單獨的單端IF輸入和輸出端口的應用，請參考MAX2410數據手冊。對于只需要接收功能的應用，Maxim提供帶LNA的低成本下變頻器（參見MAX2406數據手冊）。\n\n ?\n\n

MAX2411AE/D

Low-Cost RF Up/Downconverter with LNA and PA Driver

GeneralDescription TheMAX2411AperformstheRFfront-endtransmit/receivefunctionintime-division-duplex(TDD)communicationsystems.ItoperatesoverawidefrequencyrangeandisoptimizedforRFfrequenciesaround1.9GHz.ApplicationsincludemostpopularcordlessandPCSstandards.TheMA

MAX2411AEEI

Low-Cost RF Up/Downconverter with LNA and PA Driver

GeneralDescription TheMAX2411AperformstheRFfront-endtransmit/receivefunctionintime-division-duplex(TDD)communicationsystems.ItoperatesoverawidefrequencyrangeandisoptimizedforRFfrequenciesaround1.9GHz.ApplicationsincludemostpopularcordlessandPCSstandards.TheMA

MAX2411AESLASHD

Low-Cost RF Up/Downconverter with LNA and PA Driver

GeneralDescription TheMAX2411AperformstheRFfront-endtransmit/receivefunctionintime-division-duplex(TDD)communicationsystems.ItoperatesoverawidefrequencyrangeandisoptimizedforRFfrequenciesaround1.9GHz.ApplicationsincludemostpopularcordlessandPCSstandards.TheMA

MAX241C

5V-Powered, Multichannel RS-232 Drivers/Receivers

GeneralDescription TheMAX220–MAX249familyoflinedrivers/receiversisintendedforallEIA/TIA-232EandV.28/V.24communicationsinterfaces,particularlyapplicationswhere±12Visnotavailable. Thesepartsareespeciallyusefulinbattery-poweredsystems,sincetheirlow-powershutdownmod

MAX241C/D

5V-Powered, Multichannel RS-232 Drivers/Receivers

GeneralDescription TheMAX220–MAX249familyoflinedrivers/receiversisintendedforallEIA/TIA-232EandV.28/V.24communicationsinterfaces,particularlyapplicationswhere±12Visnotavailable. Thesepartsareespeciallyusefulinbattery-poweredsystems,sincetheirlow-powershutdownmod

MAX241CAI

5V-Powered, Multichannel RS-232 Drivers/Receivers

GeneralDescription TheMAX220–MAX249familyoflinedrivers/receiversisintendedforallEIA/TIA-232EandV.28/V.24communicationsinterfaces,particularlyapplicationswhere±12Visnotavailable. Thesepartsareespeciallyusefulinbattery-poweredsystems,sincetheirlow-powershutdownmod

MAX241CSLASHD

5V-Powered, Multichannel RS-232 Drivers/Receivers

GeneralDescription TheMAX220–MAX249familyoflinedrivers/receiversisintendedforallEIA/TIA-232EandV.28/V.24communicationsinterfaces,particularlyapplicationswhere±12Visnotavailable. Thesepartsareespeciallyusefulinbattery-poweredsystems,sincetheirlow-powershutdownmod

MAX241CWI

5V-Powered, Multichannel RS-232 Drivers/Receivers

GeneralDescription TheMAX220–MAX249familyoflinedrivers/receiversisintendedforallEIA/TIA-232EandV.28/V.24communicationsinterfaces,particularlyapplicationswhere±12Visnotavailable. Thesepartsareespeciallyusefulinbattery-poweredsystems,sincetheirlow-powershutdownmod