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AD8003

更新时间： 2024-11-04 04:30:51
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亚德诺 - ADI 运算放大器
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16页 688K
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Triple, 1.5 GHz Op Amp

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AD8003 数据手册

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Triple, 1.5 GHz Op Amp  
AD8003  
CONNECTION DIAGRAM  
FEATURES  
High speed  
1650 MHz (G = +1)  
730 MHz (G = +2, VO = 2 V p-p)  
4300 V/μs (G = +2, 4 V step)  
Settling time 12 ns to 0.1%, 2 V step  
Excellent for QXGA resolution video  
Gain flatness 0.1 dB to 190 MHz  
0.05% differential gain error, RL = 150 Ω  
0.01° differential phase error, RL = 150 Ω  
Low voltage offset: 0.7 mV (typical)  
Low input bias current: 7 μA (typical)  
Low noise: 1.8 nV/√Hz  
Low distortion over wide bandwidth: SFDR −73 dBc @ 20 MHz  
High output drive: 100 mA output load drive  
Supply operation: +5 V to 5 V voltage supply  
Supply current: 9.5 mA/amplifier  
24 23 22 21 20 19  
+V  
+V  
1
18  
17  
16  
15  
14  
13  
S1  
S3  
FEEDBACK 1  
–IN 1  
FEEDBACK 3  
–IN 3  
2
3
4
+IN 1  
+IN 3  
POWER DOWN 1  
POWER DOWN 3  
5
6
–V  
S1  
–V  
S3  
7
8
9
10 11 12  
Figure 1. 24-Lead, 4 mm × 4 mm LFCSP_VQ (CP-24)  
APPLICATIONS  
High resolution video graphics  
Professional video  
Consumer video  
High speed instrumentation  
The AD8003 operates on only 9.5 mA of supply current per  
amplifier. The independent power-down function of the  
AD8003 reduces the quiescent current even further to 1.6 mA.  
GENERAL DESCRIPTION  
The AD8003 is a triple ultrahigh speed current feedback  
amplifier. Using ADI’s proprietary eXtra Fast Complementary  
Bipolar (XFCB) process, the AD8003 achieves a bandwidth of  
1.5 GHz and a slew rate of 4300 V/μs. Additionally, the  
amplifier provides excellent dc precision with an input bias  
current of 50 μA maximum and a dc input voltage of 0.7 mV.  
The AD8003 amplifier is available in a compact 4 mm × 4 mm,  
24-lead LFCSP_VQ. The AD8003 is rated to work over the  
industrial temperature range of −40°C to +85°C.  
3
V
= ±5V  
S
G = +1, R = 432Ω  
F
2
1
The AD8003 has excellent video specifications with a frequency  
response that remains flat out to 190 MHz and 0.1% settling within  
12 ns to ensure that even the most demanding video systems  
maintain excellent fidelity. For applications that use NTSC video,  
as well as high speed video, the amplifier provides a differential  
gain of 0.05% and a differential gain of 0.01°.  
G = +2, +5, R = 464Ω  
G = +1  
F
R
= 150Ω  
G = +2  
L
V
= 2V p-p  
OUT  
0
–1  
–2  
–3  
–4  
–5  
–6  
–7  
G = +5  
The AD8003 has very low spurious-free dynamic range (SFDR)  
(−73 dBc @ 20 MHz) and noise (1.8 nV/√Hz). With a supply  
range between 5 V and 11 V and ability to source 100 mA of  
output current, the AD8003 is ideal for a variety of applications.  
1
10  
100  
1000  
FREQUENCY (MHz)  
Figure 2. Large Signal Frequency Response for Various Gains  
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 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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