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ADA4841-2YRZ PDF预览

ADA4841-2YRZ

更新时间： 2024-11-28 04:31:15
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
20页 599K
描述
Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier

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ADA4841-2YRZ 数据手册

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Low Power, Low Noise and Distortion,  
Rail-to-Rail Output Amplifier  
ADA4841-1/ADA4841-2  
CONNECTION DIAGRAMS  
FEATURES  
Low power: 1.1 mA/amp  
Low wideband noise  
2.1 nV/√Hz  
1.4 pA/√Hz  
Low 1/f noise  
ADA4841-1  
TOP VIEW  
(Not to Scale)  
NC  
–IN  
+IN  
1
2
3
4
8
7
6
5
POWER DOWN  
+V  
S
V
OUT  
–V  
NC  
S
7 nV/√Hz @ 10 Hz  
13 pA/√Hz @ 10 Hz  
Figure 1. 8-Lead SOIC (R)  
Low distortion: −105 dBc @ 100 kHz, VO = 2 V p-p  
High speed  
80 MHz, −3 dB bandwidth (G = +1)  
12 V/μs slew rate  
175 ns settling time to 0.1%  
Low offset voltage: 0.3 mV maximum  
Rail-to-rail output  
ADA4841-2  
OUT1  
–IN1  
+IN1  
1
2
3
4
8
7
6
5
+V  
S
OUT2  
–IN2  
+IN2  
–V  
S
TOP VIEW  
(Not to Scale)  
Figure 2. 8-Lead MSOP (RM-8) and 8-Lead SOIC_N (R)  
Power down  
ADA4841-1  
Wide supply range: 2.7 V to 12 V  
V
1
2
3
6
5
4
+V  
S
OUT  
APPLICATIONS  
–V  
POWER DOWN  
–IN  
S
Low power, low noise signal processing  
Battery-powered instrumentation  
16-bit PulSAR® ADC drivers  
+IN  
Figure 3. 6-Lead SOT-23 (RJ)  
GENERAL DESCRIPTION  
The ADA4841-1/ADA4841-2 are unity gain stable, low  
noise and distortion, rail-to-rail output amplifiers that have a  
quiescent current of 1.5 mA maximum. Despite their low power  
consumption, these amplifiers offer low wideband voltage noise  
performance of 2.1 nV/√Hz and 1.4 pA/√Hz current noise,  
along with excellent spurious-free dynamic range (SFDR) of  
−105 dBc at 100 kHz. To maintain a low noise environment at  
lower frequencies, the amplifiers have low 1/f noise of 7 nV/√Hz  
and 13 pA/√Hz at 10 Hz.  
The ADA4841-1/ADA4841-2 packages feature Pb-free lead  
finish. The amplifiers are rated to work over the industrial  
temperature range (−40°C to +125°C).  
–30  
V
= ±5V  
S
G = +1  
–40  
–50  
–60  
–70  
2V p-p THIRD  
The ADA4841-1/ADA4841-2 output can swing to less than  
50 mV of either rail. The input common-mode voltage range  
extends down to the negative supply. The ADA4841-1/  
ADA4841-2 can drive up to 10 pF of capacitive load with  
minimal peaking.  
–80  
–90  
2V p-p SECOND  
–100  
–110  
–120  
The ADA4841-1/ADA4841-2 provide the performance required  
to efficiently support emerging 16-bit to 18-bit ADCs and are  
ideal for portable instrumentation, high channel count, industrial  
measurement, and medical applications. The ADA4841-1/  
ADA4841-2 are ideally suited to drive the AD7685/AD7686,  
16-bit PulSAR ADCs.  
0.01  
0.1  
FREQUENCY (MHz)  
1
Figure 4. Harmonic Distortion  
Rev. C  
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  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
 
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ADA4841-2YRZ 替代型号

型号 品牌 替代类型 描述 数据表
ADA4841-2YRZ-RL ADI

完全替代

 Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
ADA4841-2YRZ-R7 ADI

类似代替

 Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
OPA2836ID TI

功能相似

 Very Low-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp

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