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AD830_10 PDF预览

AD830_10

更新时间: 2024-11-24 12:27:15
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 363K
描述
High Speed, Video Difference Amplifier

AD830_10 数据手册

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High Speed, Video  
Difference Amplifier  
AD830  
FEATURES  
CONNECTION DIAGRAM  
Differential amplification  
Wide common-mode voltage range: +12.8 V to −12 V  
Differential voltage: 2 V  
High CMRR: 60 dB at 4 MHz  
Built-in differential clipping level: 2.3 V  
Fast dynamic performance  
AD830  
X1  
X2  
Y1  
Y2  
8
7
6
5
V
P
1
G
M
2
3
OUT  
NC  
A = 1  
C
G
M
4
V
N
NC = NO CONNECT  
85 MHz unity gain bandwidth  
35 ns settling time to 0.1%  
Figure 1. 8-Lead Plastic PDIP (N), CERDIP (Q), and SOIC (RN) Packages  
110  
360 V/μs slew rate  
Symmetrical dynamic response  
Excellent video specifications  
Differential gain error: 0.06%  
Differential phase error: 0.08°  
15 MHz (0.1 dB) bandwidth  
100  
90  
80  
V
= ±15V  
S
70  
Flexible operation  
High output drive of 50 mA min  
Specified with both 5 V and 15 V supplies  
Low distortion: THD = −72 dB @ 4 MHz  
Excellent DC performance: 3 mV max input  
Offset voltage  
60  
50  
V
= ±5V  
S
40  
30  
APPLICATIONS  
1k  
10k  
100k  
1M  
10M  
FREQUENCY (Hz)  
Differential line receiver  
High speed level shifter  
Figure 2. Common-Mode Rejection Ratio vs. Frequency  
High speed in-amp  
Differential to single-ended conversion  
Resistorless summation and subtraction  
High speed analog-to-digital converter  
Good gain flatness and excellent differential gain of 0.06% and  
phase of 0.08° make the AD830 suitable for many video system  
applications. Furthermore, the AD830 is suited for general-purpose  
signal processing from dc to 10 MHz.  
9
V
R
= ±5V  
= 150  
GENERAL DESCRIPTION  
S
L
6
3
The AD830 is a wideband, differencing amplifier designed for use  
at video frequencies but also useful in many other applications. It  
accurately amplifies a fully differential signal at the input and  
produces an output voltage referred to a user-chosen level. The  
undesired common-mode signal is rejected, even at high  
frequencies. High impedance inputs ease interfacing to finite  
source impedances and, thus, preserve the excellent common-  
mode rejection. In many respects, it offers significant  
improvements over discrete difference amplifier approaches, in  
particular in high frequency common-mode rejection.  
C
= 33pF  
L
0
–3  
C
= 4.7pF  
L
–6  
–9  
–12  
–15  
–18  
–21  
C
= 15pF  
L
The wide common-mode and differential voltage range of the  
AD830 make it particularly useful and flexible in level shifting  
applications but at lower power dissipation than discrete solutions.  
Low distortion is preserved over the many possible differential and  
common-mode voltages at the input and output.  
10k  
100k  
1M  
10M  
100M  
1G  
FREQUENCY (Hz)  
Figure 3. Closed-Loop Gain vs. Frequency, Gain = +1  
Rev. C  
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 ©2005–2010 Analog Devices, Inc. All rights reserved.  
 
 

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