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AD8066_15

更新时间: 2024-11-20 01:16:19
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亚德诺 - ADI /
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29页 617K
描述
High Performance, 145 MHz FastFET Op Amps

AD8066_15 数据手册

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High Performance, 145 MHz  
FastFET Op Amps  
AD8065/AD8066  
FEATURES  
APPLICATIONS  
Automotive driver assistance systems  
Photodiode preamps  
Filters  
A/D drivers  
Level shifting  
Qualified for automotive applications  
FET input amplifier  
1 pA input bias current  
Low cost  
High speed: 145 MHz, −3 dB bandwidth (G = +1)  
180 V/μs slew rate (G = +2)  
Low noise  
Buffering  
CONNECTION DIAGRAMS  
AD8065  
AD8065  
7 nV/√Hz (f = 10 kHz)  
0.6 fA/√Hz (f = 10 kHz)  
V
+V  
1
2
3
5
OUT  
NC  
–IN  
+IN  
1
2
3
4
8
7
6
5
NC  
S
–V  
S
+V  
V
S
Wide supply voltage range: 5 V to 24 V  
Single-supply and rail-to-rail output  
Low offset voltage 1.5 mV maximum  
High common-mode rejection ratio: −100 dB  
Excellent distortion specifications  
SFDR −88 dBc @ 1 MHz  
Low power: 6.4 mA/amplifier typical supply current  
No phase reversal  
Small packaging: SOIC-8, SOT-23-5, and MSOP-8  
4
+IN  
–IN  
OUT  
TOP VIEW  
(Not to Scale)  
–V  
S
NC  
TOP VIEW  
(Not to Scale)  
AD8066  
1
2
3
4
8
7
6
5
+V  
S
V
OUT1  
V
–IN1  
+IN1  
OUT2  
–IN2  
+IN2  
–V  
S
TOP VIEW  
(Not to Scale)  
Figure 1.  
The AD8065/AD8066 are high performance, high speed, FET  
input amplifiers available in small packages: SOIC-8, MSOP-8,  
and SOT-23-5. They are rated to work over the industrial  
temperature range of −40°C to +85°C.  
GENERAL DESCRIPTION  
The AD8065/AD80661 FastFET™ amplifiers are voltage feedback  
amplifiers with FET inputs offering high performance and ease  
of use. The AD8065 is a single amplifier, and the AD8066 is a  
dual amplifier. These amplifiers are developed in the Analog  
Devices, Inc. proprietary XFCB process and allow exceptionally  
low noise operation (7.0 nV/√Hz and 0.6 fA/Hz) as well as  
very high input impedance.  
The AD8065WARTZ-REEL7 is fully qualified for automotive  
applications. It is rated to operate over the extended temperature  
range (−40°C to +105°C), up to a maximum supply voltage  
range of +5V only.  
24  
With a wide supply voltage range from 5 V to 24 V, the ability to  
operate on single supplies, and a bandwidth of 145 MHz, the  
AD8065/AD8066 are designed to work in a variety of applications.  
For added versatility, the amplifiers also contain rail-to-rail outputs.  
21  
18  
15  
12  
9
G = +10  
G = +5  
V
= 200mV p-p  
O
Despite the low cost, the amplifiers provide excellent overall  
performance. The differential gain and phase errors of 0.02%  
and 0.02°, respectively, along with 0.1 dB flatness out to 7 MHz,  
make these amplifiers ideal for video applications. Additionally,  
they offer a high slew rate of 180 V/μs, excellent distortion (SFDR  
of −88 dBc @ 1 MHz), extremely high common-mode rejection  
of −100 dB, and a low input offset voltage of 1.5 mV maximum  
under warmed up conditions. The AD8065/AD8066 operate  
using only a 6.4 mA/amplifier typical supply current and are  
capable of delivering up to 30 mA of load current.  
G = +2  
G = +1  
6
3
0
–3  
–6  
0.1  
1
10  
100  
1000  
FREQUENCY (MHz)  
Figure 2. Small Signal Frequency Response  
1 Protected by U. S. Patent No. 6,262,633.  
Rev. J  
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 www.analog.com  
Fax: 781.461.3113 ©2002–2010 Analog Devices, Inc. All rights reserved.  
 

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