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ADA4505-2ARMZ

更新时间： 2024-11-02 12:35:31
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器放大器电路光电二极管PC
页数 文件大小 规格书
24页 846K
描述
10 UA, Rail-to-Rail I/O, Zero InputCrossover Distortion Amplifiers

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ADA4505-2ARMZ 数据手册

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10 μA, Rail-to-Rail I/O, Zero Input  
Crossover Distortion Amplifiers  
ADA4505-1/ADA4505-2/ADA4505-4  
FEATURES  
PIN CONFIGURATIONS  
PSRR: 100 dB minimum  
CMRR: 105 dB typical  
Very low supply current: 10 μA per amplifier maximum  
1.8V to 5V single-supply or 0.9V to 2.5V dual-supply operation  
Rail-to-rail input and output  
OUT  
V–  
1
2
3
5
V+  
OUT A  
–IN A  
+IN A  
V–  
1
2
3
4
8
7
6
5
V+  
ADA4505-1  
TOP VIEW  
ADA4505-2  
TOP VIEW  
(Not to Scale)  
OUT B  
–IN B  
+IN B  
(Not to Scale)  
+IN  
4
–IN  
3 mV offset voltage maximum  
Very low input bias current: 0.5 pA typical  
Figure 1. 5-Lead SOT-23 (RJ-5)  
Figure 2. 8-Lead MSOP (RM-8)  
BALL A1  
INDICATOR  
APPLICATIONS  
BALL A1  
CORNER  
Pressure and position sensors  
Remote security  
Medical monitors  
Battery-powered consumer equipment  
Hazard detectors  
OUT  
A1  
V+  
A2  
OUT B  
A1  
V+ OUT A  
V–  
B1  
NC  
B2  
A2  
A3  
–IN B  
B1  
–IN A  
B3  
+IN  
C1  
–IN  
C2  
+IN B  
C1  
V–  
C2  
+IN A  
C3  
GENERAL DESCRIPTION  
The ADA4505-1/ADA4505-2/ADA4505-4 are single, dual, and  
quad micropower amplifiers featuring rail-to-rail input and output  
swings while operating from a single 1.8 V to 5 V power supply  
or from dual 0.ꢀ V to 2.5 V power supplies.  
ADA4505-1  
TOP VIEW  
(BALL SIDE DOWN)  
Not to Scale  
ADA4505-2  
TOP VIEW  
(BALL SIDE DOWN)  
NC = NO CONNECT  
Figure 3. 6-Ball WLCSP (CB-6-7)  
Figure 4. 8-Ball WLCSP (CB-8-2)  
Employing a new circuit technology, these low cost amplifiers  
offer zero input crossover distortion (excellent PSRR and CMRR  
performance) and very low bias current, while operating with a  
supply current of less than 10 μA per amplifier.  
BALL A1  
INDICATOR  
OUT D OUT A  
–IN A  
A3  
A1  
A2  
–IN D  
B1  
V–  
B2  
+IN A  
B3  
This combination of features makes the ADA4505-x 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 op amp.  
+IN D  
C1  
+IN B  
C3  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
OUT A  
–IN A  
+IN A  
V+  
OUT D  
–IN D  
+IN D  
V–  
+IN C  
D1  
V+  
D2  
–IN B  
D3  
ADA4505-4  
TOP VIEW  
(Not to Scale)  
–IN C  
E1  
OUT C OUT B  
E2 E3  
Remote battery-powered sensors, handheld instrumentation  
and consumer equipment, hazard detectors (for example, smoke,  
fire, and gas), and patient monitors can benefit from the features  
of the ADA4505-x amplifiers.  
+IN B  
–IN B  
OUT B  
+IN C  
–IN C  
OUT C  
ADA4505-4  
TOP VIEW  
8
(BALL SIDE DOWN)  
Not to Scale  
The ADA4505-x family is specified for both the industrial  
temperature range (−40°C to +85°C) and the extended industrial  
temperature range (−40°C to +125°C). The ADA4505-1 single  
amplifier is available in a tiny 5-lead SOT-23 and a 6-ball WLCSP.  
The ADA4505-2 dual amplifier is available in a standard 8-lead  
MSOP and a 8-ball WLCSP. The ADA4505-4 quad amplifier is  
available in a 14-lead TSSOP and a 14-ball WLCSP.  
Figure 5. 14-Lead TSSOP (RU-14)  
Figure 6. 14-Ball WLCSP (CB-14-1)  
The ADA4505-x family is a member of a growing series of zero  
crossover op amps offered by Analog Devices, Inc., including  
the AD8505/AD8506/AD8508, which also operate from a single  
1.8 V to 5 V power supply or from dual 0.ꢀ V to 2.5 V power  
supplies.  
Rev. D  
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 ©2008–2010 Analog Devices, Inc. All rights reserved.  
 
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ADA4505-2ARMZ 替代型号

型号 品牌 替代类型 描述 数据表
ADA4505-2ARMZ-RL ADI

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