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MAX3224E

製品説明
仕様・特性

MAX3224–MAX3227/ MAX3244/MAX3245 1µA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus ________________General Description The MAX3224–MAX3227/MAX3244/MAX3245 are 3Vpowered EIA/TIA-232 and V.28/V.24 communications interfaces with automatic shutdown/wakeup features and high data-rate capabilities. All devices achieve a 1µA supply current using Maxim’s revolutionary AutoShutdown Plus™ feature. These devices automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the transmitters of the connected peripherals are inactive, and the UART driving the transmitter inputs is inactive for more than 30 seconds. They turn on again when they sense a valid transition at any transmitter or receiver input. AutoShutdown Plus saves power without changes to the existing BIOS or operating system. The MAX3225/MAX3227/MAX3245 also feature MegaBaud™ operation, guaranteeing 1Mbps for highspeed applications such as communicating with ISDN modems. The MAX3224/MAX3226/MAX3244 guarantee 250kbps operation. The transceivers have a proprietary low-dropout transmitter output stage enabling true RS232 performance from a +3.0V to +5.5V supply with a dual charge pump. The charge pump requires only four small 0.1µF capacitors for operation from a 3.3V supply. The MAX3224–MAX3227 feature a logic-level output (READY) that asserts when the charge pump is regulating and the device is ready to begin transmitting. All devices are available in a space-saving TQFN, TSSOP, and SSOP packages. ________________________Applications Functional Diagrams Notebook, Subnotebook, and Palmtop Computers _Next Generation Device Features ♦ For Smaller Packaging: MAX3228/MAX3229: +2.5V to +5.5V RS-232 Transceivers in UCSP™ ♦ For Low-Voltage or Data Cable Applications: MAX3380E/MAX3381E: +2.35V to +5.5V, 1µA, 2 Tx/2 Rx RS-232 Transceivers with ±15kV ESDProtected I/O and Logic Pins ♦ For Integrated ESD Protection: MAX3222E/MAX3232E/MAX3237E/MAX3241E/ MAX3246E: ±15kV ESD-Protected, Down to 10nA, +3.0V to +5.5V, Up to 1Mbps, True RS-232 Transceivers (MAX3246E Available in UCSP) _______________Ordering Information PART TEMP RANGE PIN-PACKAGE MAX3224CPP+ 0°C to +70°C 20 PDIP MAX3224CAP+ 0°C to +70°C 20 SSOP MAX3224CTP+ 0°C to +70°C 20 TQFN-EP* MAX3224CUP+ 0°C to +70°C 20 TSSOP MAX3224EPP+ -40°C to +85°C 20 PDIP MAX3224EAP+ -40°C to +85°C 20 SSOP MAX3224ETP+ -40°C to +85°C 20 TQFN-EP* MAX3224EUP+ -40°C to +85°C 20 TSSOP +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. Ordering Information continued at end of data sheet. Cellular Phones Battery-Powered Equipment _____________________ Selector Guide Handheld Equipment PART Peripherals Printers NO. OF GUARANTEED READY DRIVERS/ DATA RATE OUTPUT RECEIVERS (bps) AutoShutdown Plus MAX3224 2/2 250k ✔ ✔ MAX3225 2/2 1M ✔ ✔ ✔ MAX3226 1/1 250k ✔ MAX3227 1/1 1M ✔ ✔ MAX3244 3/5 250k — ✔ MAX3245 3/5 1M — ✔ Pin Configurations appear at end of data sheet. AutoShutdown Plus, MegaBaud, and UCSP are trademarks Functional DiagramsProducts, Inc. end of data sheet. of Maxim Integrated continued at UCSP is a trademark of Maxim Integrated Products, Inc. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. 19-1289; Rev 5; 2/11

ブランド

MAXIM

会社名

Maxim Integrated

本社国名

U.S.A

事業概要

アナログおよびミックスドシグナル半導体製品を設計、製造、販売している米国系の株式会社である。 マキシム・インテグレーテッドは、工業、通信、民生、コンピューティングの各市場向けに集積回路を開発しています

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MAX3222 MAX3222ACP MAX3222CAP MAX3222CAPEAP MAX3222CAPECAP
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MAX3222EAP+MAXROHS MAX3222EAPPBF MAX3222EAP-T MAX3222EAPTG002 MAX3222ECAP
MAX3222ECAP1 MAX3222ECAP-LF MAX3222ECAPT MAX3222ECAPTG002 MAX3222ECAPTG068
MAX3222ECDB MAX3222ECDBR MAX3222ECDBRG4 MAX3222ECDW MAX3222ECDWR
MAX3222ECPN MAX3222ECPWG4 MAX3222ECPWR MAX3222ECPWRG4 MAX3222ECPWRG4TSSOP20
MAX3222ECPWR+T MAX3222ECPWR+TG4 MAX3222ECTP MAX3222ECUP MAX3222ECUP+NOPB
MAX3222ECUP-T MAX3222ECUPTG071 MAX3222ECUPTSSOP-20 MAX3222ECWN MAX3222ECWNT
MAX3222EEA MAX3222EEAP MAX3222EEAP-G002 MAX3222EEAP+G1Z MAX3222EEAPT
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MAX3223CDBE4 MAX3223CDBE4-T MAX3223CDBG4 MAX3223CDBMA3223C MAX3223CDBR
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