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部品型式

AD8531AR

製品説明
仕様・特性

Low Cost, 250 mA Output, Single-Supply Amplifiers AD8531/AD8532/AD8534 PIN CONFIGURATIONS OUT A 1 Multimedia audio LCD drivers ASIC input or output amplifiers Headphone drivers 5 V+ 4 –IN A V– 2 +IN A 3 Figure 1. 5-Lead SC70 and 5-Lead SOT-23 (KS and RJ Suffixes) NC 1 APPLICATIONS AD8531 01099-001 Single-supply operation: 2.7 V to 6 V High output current: ±250 mA Low supply current: 750 μA/amplifier Wide bandwidth: 3 MHz Slew rate: 5 V/μs No phase reversal Low input currents Unity gain stable Rail-to-rail input and output AD8531 8 NC –IN A 2 7 V+ +IN A 3 6 OUT A V– 4 5 NC NC = NO CONNECT 01099-002 FEATURES Figure 2. 8-Lead SOIC (R Suffix) GENERAL DESCRIPTION The very low input bias currents enable the AD853x to be used for integrators, diode amplification, and other applications requiring low input bias current. Supply current is only 750 μA per amplifier at 5 V, allowing low current applications to control high current loads. Applications include audio amplification for computers, sound ports, sound cards, and set-top boxes. The AD853x family is very stable, and it is capable of driving heavy capacitive loads such as those found in LCDs. The ability to swing rail-to-rail at the inputs and outputs enables designers to buffer CMOS DACs, ASICs, or other wide output swing devices in single-supply systems. OUT A 1 V+ 2 7 OUT B +IN A 3 6 –IN B V– 4 5 +IN B 01099-003 8 –IN A AD8532 Figure 3. 8-Lead SOIC, 8-Lead TSSOP, and 8-Lead MSOP (R, RU, and RM Suffixes) 14 OUT D OUT A 1 –IN A 13 –IN D 2 +IN A 4 12 +IN D 3 V+ +IN B 5 AD8534 11 V– 10 +IN C –IN B 6 9 –IN C OUT B 7 8 OUT C 01099-004 The AD8531, AD8532, and AD8534 are single, dual, and quad rail-to-rail input/output single-supply amplifiers featuring 250 mA output drive current. This high output current makes these amplifiers excellent for driving either resistive or capacitive loads. AC performance is very good with 3 MHz bandwidth, 5 V/μs slew rate, and low distortion. All are guaranteed to operate from a 3 V single supply as well as a 5 V supply. Figure 4. 14-Lead SOIC and 14-Lead TSSOP (R and RU Suffixes) The AD8531/AD8532/AD8534 are specified over the extended industrial temperature range (−40°C to +85°C). The AD8531 is available in 8-lead SOIC, 5-lead SC70, and 5-lead SOT-23 packages. The AD8532 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead TSSOP surface-mount packages. The AD8534 is available in narrow 14-lead SOIC and 14-lead TSSOP surface-mount packages. Rev. F 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 ©1996–2008 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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