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部品型式

AD8544AD

製品説明
仕様・特性

CMOS Rail-to-Rail General-Purpose Amplifiers AD8541/AD8542/AD8544 Single-supply operation: 2.7 V to 5.5 V Low supply current: 45 μA/amplifier Wide bandwidth: 1 MHz No phase reversal Low input currents: 4 pA Unity gain stable Rail-to-rail input and output Qualified for automotive applications PIN CONFIGURATIONS OUT A 1 AD8541 5 V+ V– 2 +IN A 3 4 –IN A 00935-001 FEATURES Figure 1. 5-Lead SC70 and 5-Lead SOT-23 (KS and RJ Suffixes) APPLICATIONS 8 NC 2 7 V+ +IN A 3 6 OUT A 4 5 NC NC 1 –IN A V– AD8541 00935-002 ASIC input or output amplifiers Sensor interfaces Piezoelectric transducer amplifiers Medical instrumentation Mobile communications Audio outputs Portable systems NC = NO CONNECT Figure 2. 8-Lead SOIC (R Suffix) GENERAL DESCRIPTION Rail-to-rail inputs and outputs are useful to designers buffering ASICs in single-supply systems. The AD8541/AD8542/AD8544 are optimized to maintain high gains at lower supply voltages, making them useful for active filters and gain stages. The AD8541/AD8542/AD8544 are specified over the extended industrial temperature range (–40°C to +125°C). The AD8541 is available in 5-lead SOT-23, 5-lead SC70, and 8-lead SOIC packages. The AD8542 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead TSSOP surface-mount packages. The AD8544 is available in 14-lead narrow SOIC and 14-lead TSSOP surfacemount packages. All MSOP, SC70, and SOT versions are available in tape and reel only. See the Ordering Guide for automotive models. 1 –IN A AD8542 8 V+ 2 7 OUT B +IN A 3 6 –IN B V– 4 5 +IN B Figure 3. 8-Lead SOIC, 8-Lead MSOP, and 8-Lead TSSOP (R, RM, and RU Suffixes) OUT A 1 14 OUT D –IN A 2 13 –IN D +IN A 3 12 +IN D AD8544 11 V– V+ 4 +IN B 5 –IN B 6 9 –IN C OUT B 7 8 OUT C 10 +IN C 00935-004 Very low input bias currents enable the AD8541/AD8542/AD8544 to be used for integrators, photodiode amplifiers, piezoelectric sensors, and other applications with high source impedance. The supply current is only 45 μA per amplifier, ideal for battery operation. OUT A 00935-003 The AD8541/AD8542/AD8544 are single, dual, and quad railto-rail input and output, single-supply amplifiers featuring very low supply current and 1 MHz bandwidth. All are guaranteed to operate from a 2.7 V single supply as well as a 5 V supply. These parts provide 1 MHz bandwidth at a low current consumption of 45 μA per amplifier. Figure 4. 14-Lead SOIC and 14-Lead TSSOP (R and RU Suffixes) Rev. G 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 www.analog.com Fax: 781.461.3113 ©2008–2011 Analog Devices, Inc. All rights reserved.

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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