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AD8045ARD

更新时间： 2024-11-29 04:30:55
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
24页 831K
描述
3 nV/Hz Ultralow Distortion, High Speed Op Amp

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AD8045ARD 数据手册

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3 nV/√Hz Ultralow Distortion,  
High Speed Op Amp  
AD8045  
FEATURES  
Ultralow distortion  
SFDR  
−101 dBc @ 5 MHz  
APPLICATIONS  
Instrumentation  
IF and baseband amplifiers  
Active filters  
−90 dBc @ 20 MHz  
ADC drivers  
−63 dBc @ 70 MHz  
DAC buffers  
Third-order intercept  
43 dBm @ 10 MHz  
CONNECTION DIAGRAMS  
Low noise  
3 nV/√Hz  
3 pA/√Hz  
High speed  
1
2
3
4
8
7
6
5
NC  
FEEDBACK  
–IN  
+V  
S
OUTPUT  
NC  
+IN  
–V  
S
1 GHz, −3 dB bandwidth (G = +1)  
1350 V/µs slew rate  
7.5 ns settling time to 0.1%  
Standard and low distortion pinout  
Supply current: 15 mA  
Offset voltage: 1.0 mV max  
Wide supply voltage range: 3.3 V to 12 V  
Figure 1. 8-Lead AD8045 LFCSP (CP-8)  
1
2
3
4
8
7
6
5
FEEDBACK  
NC  
–IN  
+IN  
+V  
S
OUTPUT  
NC  
–V  
S
Figure 2. 8-Lead AD8045 SOIC/EP (RD-8)  
GENERAL DESCRIPTION  
The AD8045 amplifier is available in a 3 mm × 3 mm LFCSP  
and the standard 8-lead SOIC. Both packages feature an  
exposed paddle that provides a low thermal resistance path to  
the PCB. This enables more efficient heat transfer, and increases  
reliability. The AD8045 works over the extended industrial  
temperature range (−40°C to +125°C).  
The AD8045 is a unity gain stable voltage feedback amplifier  
with ultralow distortion, low noise, and high slew rate. With a  
spurious-free dynamic range of −90 dBc @ 20 MHz, the  
AD8045 is an ideal solution in a variety of applications,  
including ultrasound, ATE, active filters, and ADC drivers.  
ADI’s proprietary next generation XFCB process and innovative  
architecture enables such high performance amplifiers.  
–20  
G = +1  
V
V
R
= ±5V  
S
–30  
–40  
= 2V p-p  
The AD8045 features a low distortion pinout for the LFCSP,  
which improves second harmonic distortion and simplifies the  
layout of the circuit board.  
OUT  
= 1kΩ  
= 100Ω  
L
S
R
–50  
–60  
The AD8045 has 1 GHz bandwidth, 1350 V/µs slew rate, and  
settles to 0.1% in 7.5 ns. With a wide supply voltage range (3.3 V  
to 12 V) and low offset voltage (200 µV), the AD8045 is an ideal  
candidate for systems that require high dynamic range, preci-  
sion, and high speed.  
–70  
–80  
HD3 LFCSP  
–90  
HD2 LFCSP  
–100  
–110  
–120  
0.1  
1
10  
FREQUENCY (MHz)  
100  
Figure 3. Harmonic Distortion vs. Frequency for Various Packages  
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  
registered trademarks 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  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
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AD8045ARD 替代型号

型号 品牌 替代类型 描述 数据表
AD8045ARDZ ADI

完全替代

 3 nV/Hz Ultralow Distortion, High Speed Op Amp
AD8045ARDZ-REEL7 ADI

完全替代

 3 nV/Hz Ultralow Distortion, High Speed Op Amp
AD8045ARDZ-REEL ADI

完全替代

 3 nV/Hz Ultralow Distortion, High Speed Op Amp

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