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ADA4897-1ARJZ-R7 PDF预览

ADA4897-1ARJZ-R7

更新时间： 2024-11-23 07:18:47
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亚德诺 - ADI 运算放大器放大器电路光电二极管
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28页 624K
描述
1 nV/√Hz, Low Power

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ADA4897-1ARJZ-R7 数据手册

 浏览型号ADA4897-1ARJZ-R7的Datasheet PDF文件第2页浏览型号ADA4897-1ARJZ-R7的Datasheet PDF文件第3页浏览型号ADA4897-1ARJZ-R7的Datasheet PDF文件第4页浏览型号ADA4897-1ARJZ-R7的Datasheet PDF文件第5页浏览型号ADA4897-1ARJZ-R7的Datasheet PDF文件第6页浏览型号ADA4897-1ARJZ-R7的Datasheet PDF文件第7页 
1 nV/√Hz, Low Power,  
Rail-to-Rail Output Amplifiers  
Data Sheet  
ADA4896-2/ADA4897-1/ADA4897-2  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Low wideband noise  
1 nV/√Hz  
2.8 pA/√Hz  
NC  
–IN  
+IN  
1
2
3
4
8
7
6
5
DISABLE  
+V  
S
OUT  
NC  
Low 1/f noise: 2.4 nV/√Hz at 10 Hz  
Low distortion: −115 dBc at 100 kHz, VOUT = 2 V p-p  
Low power: 3 mA per amplifier  
Low input offset voltage: 0.5 mV maximum  
High speed  
−3 dB bandwidth: 230 MHz (G = +1)  
Slew rate: 120 V/μs  
Settling time to 0.1%: 45 ns  
Rail-to-rail output  
–V  
S
Figure 1. 8-Lead SOIC (ADA4897-1)  
8
7
6
5
4
3
2
1
0
V
= ±5V  
S
Wide supply range: 3 V to 10 V  
Disable feature (ADA4897-1/ADA4897-2)  
APPLICATIONS  
Low noise preamplifier  
Ultrasound amplifiers  
PLL loop filters  
High performance ADC drivers  
DAC buffers  
1
10  
100  
1k  
10k  
100k  
1M  
5M  
FREQUENCY (Hz)  
Figure 2. Voltage Noise vs. Frequency  
GENERAL DESCRIPTION  
The ADA4896-2/ADA4897-1/ADA4897-2 are unity-gain stable,  
low noise, rail-to-rail output, high speed voltage feedback amplifiers  
that have a quiescent current of 3 mA. With a 1/f noise of  
2.4 nV/√Hz at 10 Hz and a spurious-free dynamic range of −80 dBc  
at 2 MHz, the ADA4896-2/ADA4897-1/ADA4897-2 are ideal  
solutions 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 such high performance  
amplifiers.  
Table 1. Other Low Noise Amplifiers  
VN (nV/√Hz)  
Supply  
Part No.  
AD797  
AD8021  
AD8099  
AD8045  
ADA4899-1  
At 1 kHz  
At 100 kHz BW (MHz) Voltage (V)  
0.9  
5
3
6
1.4  
0.9  
2.1  
0.95  
3
8
10 to 30  
5 to 24  
5 to 12  
3.3 to 12  
5 to 12  
10 to 32  
490  
510  
1000  
600  
65  
1
ADA4898-1/ 0.9  
ADA4898-2  
0.9  
The ADA4896-2/ADA4897-1/ADA4897-2 have 230 MHz  
bandwidth, 120 V/μs slew rate, and settle to 0.1% in 45 ns.  
With a wide supply voltage range of 3 V to 10 V, the ADA4896-2/  
ADA4897-1/ADA4897-2 are ideal candidates for systems that  
require high dynamic range, precision, low power, and high speed.  
Table 2. Complementary ADCs  
Part No.  
AD7944  
AD7985  
AD7986  
Bits  
Speed (MSPS)  
Power (mW)  
14  
16  
18  
2.5  
2.5  
2
15.5  
15.5  
15  
The ADA4896-2 is available in 8-lead LFCSP and 8-lead MSOP  
packages. The ADA4897-1 is available in 8-lead SOIC and 6-lead  
SOT-23 packages. The ADA4897-2 is available in a 10-lead MSOP  
package. The ADA4896-2/ADA4897-1/ADA4897-2 operate over  
the extended industrial temperature range of −40°C to +125°C.  
Rev. B  
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  
©2012 Analog Devices, Inc. All rights reserved.  
 
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ADA4897-1ARJZ-R7 替代型号

型号 品牌 替代类型 描述 数据表
ADA4897-1ARJZ-RL ADI

完全替代

 1 nV/√Hz, Low Power
ADA4897-1ARJZ-R2 ADI

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 1 nV/√Hz, Low Power

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