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MAX3221ECPWR

製品説明
仕様・特性

MAX3221E/ MAX3223E/MAX3243E ±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown General Description Next Generation Device Features The MAX3221E/MAX3223E/MAX3243E are 3V-powered EIA/TIA-232 and V.28/V.24 communications interfaces with automatic shutdown/wakeup features, high datarate capabilities, and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 AirGap Discharge, to ±8kV using IEC 1000-4-2 Contact Discharge, and to ±15kV using the Human Body Model. The MAX3221E/MAX3223E/MAX3243E achieve a 1µA supply current with Maxim’s revolutionary AutoShutdown™ feature. They save power without changes to the existing BIOS or operating system by entering low-power shutdown mode when the RS-232 cable is disconnected, or when the transmitters of the connected peripherals are off. o For Space-Constrained Applications: MAX3228E/MAX3229E: ±15kV ESD-Protected, +2.5V to +5.5V RS-232 Transceivers in UCSP™ 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 a UCSP Package) The transceivers have a proprietary low-dropout transmitter output stage, delivering true RS-232 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. Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels. The MAX3221E contains just one driver and one receiver, making it the smallest single-supply RS-232 transceiver. The MAX3223E has two drivers and two receivers. The MAX3243E is a complete 3-driver/5-receiver serial port ideal for notebook or subnotebook computers. It also includes two noninverting receiver outputs that are always active, allowing external devices to be monitored without Functional Diagrams forward biasing the protection diodes in circuitry that may be powered down. The MAX3221E, MAX3223E, and MAX3243E are available in space-saving TQFN, SSOP, and TSSOP packages. Applications Notebook, Subnotebook, and Palmtop Computers Cellular Phones Battery-Powered Equipment Handheld Equipment Peripherals Printers o For Data Cable Applications: MAX3380E/MAX3381E: +2.35V to +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers with ±15kV ESDProtected I/O and Logic Pins Ordering Information PART TEMP RANGE MAX3221ECTE+ 0°C to +70°C 16 TQFN-EP* MAX3221ECUE+ 0°C to +70°C 16 TSSOP MAX3221ECAE+ 0°C to +70°C 16 SSOP MAX3221EEAE+ -40°C to +85°C 16 SSOP MAX3221EETE+ -40°C to +85°C 16 TQFN-EP* MAX3221EEUE+ -40°C to +85°C MAX3223ECPP+ 0°C to +70°C 20 PDIP MAX3223ECAP+ 0°C to +70°C 20 SSOP MAX3223ECUP+ 0°C to +70°C 20 TSSOP MAX3223ECTP+ 0°C to +70°C MAX3223EEPP+ -40°C to +85°C 20 PDIP MAX3223EEAP+ -40°C to +85°C 20 SSOP MAX3223EEUP+ -40°C to +85°C 20 TSSOP MAX3223EETP+ -40°C to +85°C 20 TQFN-EP* 16 TSSOP 20 TQFN-EP* MAX3223EEUP/V+ -40°C to +85°C 20 TSSOP *Exposed pad. +Denotes a lead(Pb)-free/RoHS-compliant package. /V denotes an automotive qualified part. Ordering Information continued at end of data sheet. Selector Guide NO. OF DRIVERS/ RECEIVERS VCC RANGE (V) MAX3221E Pin Configurations appear at end of data sheet. PIN-PACKAGE 1/1 +3.0 to +5.5 MAX3223E 2/2 PART AutoShutdown +3.0 to +5.5 Typical Operating Circuits at end of data sheet. sheet. appear at end of data Pin Configurations appear MAX3243E 3/5 +3.0 to +5.5 Functional Diagrams continued at end of data sheet. AutoShutdown and UCSP are trademarks of Maxim Integrated Products, Inc. UCSP is a trademark of Maxim Integrated Products, Inc. †Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; 5,649,210; and other patents pending. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. 19-1283; Rev 7; 8/11

ブランド

TI

会社名

Texas Instruments Incorporated

本社国名

U.S.A

事業概要

世界25ヶ国以上に製造・販売拠点を有する国際的な半導体企業であり、デジタル情報家電、ワイヤレス、ブロードバンド市場に欠かせないデジタル信号処理を行うDSPと、それに関連するアナログIC、マイクロコントローラを主力製品としている。

供給状況

 
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