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ADA4895-2ARMZ-R7

更新时间： 2024-09-30 12:36:11
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
24页 490K
描述
Low Power, 1 nV/√Hz, G ≥ 10 Stable, Rail-to-Rail Output Amplifier

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ADA4895-2ARMZ-R7 数据手册

 浏览型号ADA4895-2ARMZ-R7的Datasheet PDF文件第2页浏览型号ADA4895-2ARMZ-R7的Datasheet PDF文件第3页浏览型号ADA4895-2ARMZ-R7的Datasheet PDF文件第4页浏览型号ADA4895-2ARMZ-R7的Datasheet PDF文件第5页浏览型号ADA4895-2ARMZ-R7的Datasheet PDF文件第6页浏览型号ADA4895-2ARMZ-R7的Datasheet PDF文件第7页 
Low Power, 1 nV/√Hz, G ≥ 10 Stable,  
Rail-to-Rail Output Amplifier  
Data Sheet  
ADA4895-2  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Low wideband noise  
1 nV/√Hz  
2.6 pA/√Hz  
OUT1  
–IN1  
+IN1  
1
2
3
4
5
10 +V  
S
9
8
7
6
OUT2  
–IN2  
–V  
+IN2  
S
Low 1/f noise: 2 nV/√Hz at 10 Hz  
Low distortion (SFDR): −96 dBc at 100 kHz, VOUT = 2 V p-p  
Low power: 3 mA per amplifier  
Low input offset voltage: 350 µV maximum  
High speed  
236 MHz, −3 dB bandwidth (G = +10)  
943 V/µs slew rate  
22 ns settling time to 0.1%  
Rail-to-rail output  
ADA4895-2  
DISABLE1  
DISABLE2  
Figure 1. 10-Lead MSOP  
40  
32  
24  
16  
8
5
4
3
2
1
0
Wide supply range: 3 V to 10 V  
Disable feature  
APPLICATIONS  
VOLTAGE  
CURRENT  
Low noise preamplifier  
Ultrasound amplifiers  
PLL loop filters  
High performance ADC drivers  
DAC buffers  
0
1M  
1
10  
100  
1k  
10k  
100k  
FREQUENCY (Hz)  
Figure 2. Input Voltage and Current Noise vs. Frequency  
GENERAL DESCRIPTION  
Table 1. Other Low Noise Amplifiers1  
N @ 1 kHz VN @ 100 kHz  
The ADA4895-2 is a dual, high speed voltage feedback amplifier  
that is gain ≥ 10 stable with low input noise, rail-to-rail output,  
and quiescent current of 3 mA per amplifier. With a 1/f noise of  
2 nV/√Hz at 10 Hz and a spurious-free dynamic range of −72 dBc  
at 2 MHz, the ADA4895-2 is an ideal solution in a variety of  
applications, including ultrasound, low noise preamplifiers, and  
drivers of high performance ADCs. The Analog Devices, Inc.,  
proprietary next generation SiGe bipolar process and innovative  
architecture enable this high performance amplifier.  
V
Supply  
BW (MHz) Voltage (V)  
Part No.  
AD8021  
AD8045  
AD8099  
ADA4841-1/ 2.2  
ADA4841-2  
(nV/√Hz)  
(nV/√Hz)  
4.2  
6
7
2.1  
3
0.95  
2.1  
490  
1000  
510  
80  
5 to 24  
3.3 to 12  
5 to 12  
2.7 to 12  
ADA4896-2  
ADA4897-1/  
ADA4897-2  
1
1
1
1
230  
230  
3 to 10  
3 to 10  
The ADA4895-2 has a large signal bandwidth of 146 MHz at a gain  
of +10 with a slew rate of 943 V/µs, and settles to 0.1% in 22 ns.  
The wide supply voltage range (3 V to 10 V) of the ADA4895-2  
makes this amplifier an ideal candidate for systems that require  
high dynamic range, high gain, precision, and high speed.  
ADA4898-1/ 0.9  
ADA4898-2  
0.9  
65  
10 to 32  
ADA4899-1 1.4  
1
600  
5 to 12  
1 See www.analog.com for the latest selection of low noise amplifiers.  
The ADA4895-2 is available in a 10-lead MSOP package and  
operates over the extended industrial temperature range of  
−40°C to +125°C.  
COMPANION PRODUCTS  
ADCs: AD7944 (14-bit), AD7985 (16-bit), AD7986 (18-bit)  
Additional companion products on the ADA4895-2 product page  
Rev. 0  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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  
Technical Support  
©2012 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
 
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ADA4895-2ARMZ-R7 替代型号

型号 品牌 替代类型 描述 数据表
ADA4895-2ARMZ-RL ADI

类似代替

 Low Power, 1 nV/√Hz, G ≥ 10 Stable, Railt

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