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AD8506_07 PDF预览

AD8506_07

更新时间: 2024-01-23 22:57:50
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 529K
描述
20 レA Maximum, Rail-to-Rail I/O, Zero Input Crossover Distortion Amplifiers

AD8506_07 数据手册

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20 μA Maximum, Rail-to-Rail I/O,  
Zero Input Crossover Distortion Amplifiers  
AD8506/AD8508  
PIN CONFIGURATIONS  
FEATURES  
PSRR: 100 dB minimum  
CMRR: 105 dB typical  
Very low supply current: 20 μA per amp maximum  
1.8 V to 5 V single-supply or 0.9 V to 2.5 V dual-supply  
operation  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
AD8506  
OUT B  
–IN B  
+IN B  
TOP VIEW  
(Not to Scale)  
Figure 1. 8-Lead MSOP (RM-8)  
Rail-to-rail input and output  
Low noise: 45 nV/√Hz @ 1 kHz  
2.5 mV offset voltage maximum  
Very low input bias current: 1 pA typical  
OUT A  
–IN A  
+IN A  
V+  
1
2
3
4
5
6
7
14 OUT D  
13 –IN D  
12 +IN D  
11 V–  
AD8508  
TOP VIEW  
APPLICATIONS  
(Not to Scale)  
+IN B  
–IN B  
OUT B  
10 +IN C  
Pressure and position sensors  
Remote security  
9
8
–IN C  
OUT C  
Bio sensors  
IR thermometers  
Figure 2. 14-Lead TSSOP (RU-14)  
Battery-powered consumer equipment  
Hazard detectors  
GENERAL DESCRIPTION  
The AD8506/AD8508 are dual and quad micropower amplifiers  
featuring rail-to-rail input and output swings while operating from  
a 1.8 V to 5 V single or from ±0.9 V to ±±.5 V dual power supply.  
Remote battery-powered sensors, handheld instrumentation  
and consumer equipment, hazard detection (for example, smoke,  
fire, and gas), and patient monitors can benefit from the features  
of the AD8506/AD8508 amplifiers.  
Using a novel circuit technology, these low cost amplifiers offer  
zero crossover distortion (excellent PSRR and CMRR perform-  
ance) and very low bias current, while operating with a supply  
current of less than ±0 μA per amplifier. This amplifier family  
offers the lowest noise in its power class.  
The AD8506/AD8508 are specified for both the industrial  
temperature range of −40°C to +85°C and the extended industrial  
temperature range of −40°C to +1±5°C. The AD8506 dual amplifi-  
ers are available in an 8-lead MSOP package. The AD8508 quad  
amplifiers are available in the 14-lead TSSOP package.  
This combination of features makes the AD8506/AD8508  
amplifiers ideal choices for battery-powered applications  
because they minimize errors due to power supply voltage  
variations over the lifetime of the battery and maintain high  
CMRR even for a rail-to-rail input op amp.  
Rev. A  
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 registeredtrademarks arethe 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 ©2007–2008 Analog Devices, Inc. All rights reserved.  
 

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