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部品型式

ADM3252EABCZ

製品説明
仕様・特性

Isolated, Dual Channel, RS-232 Line Driver/Receiver ADM3252E Data Sheet FUNCTIONAL BLOCK DIAGRAM C1 0.1µF 16V C3 0.1µF 10V C1+ C1– V+ ADM3252E 0.1µF VCC 10µF 2.5 kV fully isolated (power and data) RS-232 transceiver isoPower integrated, isolated dc-to-dc converter Operational from single 3.3 V or 5 V supply 460 kbps data rate 2 × Tx and 2 × Rx channels Meets EIA/TIA-232E specifications ESD protection to IEC 61000-4-2 on RINx and TOUTx pins Contact discharge: ±8 kV Air gap discharge: ±15 kV 0.1 μF charge pump capacitors High common-mode transient immunity: >25 kV/μs Safety and regulatory approvals (pending) UL recognition 2500 V rms for 1 minute per UL 1577 VDE certificate of conformity IEC 60747-5-2 (VDE 0884, Part 2) VIORM = 560 V peak CSA Component Acceptance Notice #5A Operating temperature range: −40°C to +85°C 44-ball chip scale package ball grid array (CSP_BGA) OSC VISO VOLTAGE DOUBLER RECT ROUT1 DECODE ENCODE DECODE ENCODE C2+ C2– C4 0.1µF 16V V– VOLTAGE INVERTER ENCODE TIN2 C2 0.1µF 16V REG DECODE ROUT2 0.1µF ENCODE TIN1 10µF DECODE GND R RIN1* TOUT1 T R T RIN2* TOUT2 GNDISO *INTERNAL 5kΩ PULL-DOWN RESISTOR ON THE RS-232 INPUTS. 10515-001 FEATURES Figure 1. APPLICATIONS Isolated RS-232 interface High noise data communications Industrial communications Industrial/telecommunications diagnostic ports Medical equipment GENERAL DESCRIPTION The ADM3252E is a high speed, 2.5 kV, fully isolated, dualchannel RS-232/V.28 transceiver device that is operational from a single 3.3 V or 5 V power supply. Because of high ESD protection on the RIN1, RIN2, TOUT1, and TOUT2 pins, the ADM3252E is ideally suited for operation in electrically harsh environments or where RS-232 cables are frequently plugged and unplugged. The ADM3252E provides four independent isolation channels using the integrated and isolated power of isoPower™. There is no requirement to use a separate isolated dc-to-dc converter. Chip scale transformer iCoupler® technology from Analog Devices, Inc., is used for both the isolation of the logic signals and the integrated dc-to-dc converter. The result is a total isolation solution. Rev. A isoPower technology in the ADM3252E uses high frequency switching elements to transfer power through its transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to the AN-0971 Application Note, Recommendations for Control of Radiated Emissions with isoPower Devices, for details on board layout considerations. The ADM3252E conforms to the EIA/TIA-232E and ITU-T V.28 specifications and operates at data rates of up to 460 kbps. Four external 0.1 μF charge pump capacitors are used for the voltage doubler/inverter, permitting operation from a single 3.3 V or 5 V supply. The ADM3252E is available in a 44-ball, chip scale package ball grid array (CSP_BGA) and is specified over the −40°C to +85°C temperature range. Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2012–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com

ブランド

AD

会社名

Analog Devices

本社国名

U.S.A

事業概要

半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。

供給状況

 
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データシート
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弊社在庫及び仕入れ先からのOffer

型式 数量 D/C・lead 備考 選択
ADM3252EABCZ 6個 13+ lead free  
ADM3252EABCZ 6個 RoHS  
ADM3252EABCZ 6個 RoHS  

提携先在庫情報

型式 数量 D/C・lead 備考 選択
ADM3252EABCZ 45個    
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