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AD8073JR 参数 Datasheet PDF下载

AD8073JR图片预览
型号: AD8073JR
PDF下载: 下载PDF文件 查看货源
内容描述: 低成本,双通道/三通道视频放大器 [Low Cost, Dual/Triple Video Amplifiers]
分类和应用: 视频放大器
文件页数/大小: 11 页 / 168 K
品牌: AD [ ANALOG DEVICES ]
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a
FEATURES
Very Low Cost
Good Video Specifications (R
L
= 150 )
Gain Flatness of 0.1 dB to 10 MHz
0.05% Differential Gain Error
0.1 Differential Phase Error
Low Power
3.5 mA/Amplifier Supply Current
Operates on Single +5 V to +12 V Supply
High Speed
100 MHz, –3 dB Bandwidth (G = +2)
500 V/ s Slew Rate
Fast Settling Time of 25 ns (0.1%)
Easy to Use
30 mA Output Current
Output Swing to 1.3 V of Rails on Single +5 V Supply
APPLICATIONS
Video Line Driver
Computer Video Plug-In Boards
RGB or S-Video Amplifier in Component Systems
PRODUCT DESCRIPTION
Low Cost, Dual/Triple
Video Amplifiers
AD8072/AD8073
FUNCTIONAL BLOCK DIAGRAMS
8-Lead Plastic (N), SOIC (R), and SOIC (RM) Packages
OUT1 1
–IN1 2
IN1 3
–V
S
4
8
V
S
7 OUT2
6 –IN2
AD8072
5
IN2
14-Lead Plastic (N), and SOIC (R) Packages
NC
NC
NC
V
S
IN1
–IN1
OUT1
1
2
3
4
5
6
7
NC = NO CONNECT
14 OUT2
13 –IN2
12
IN2
The AD8072 (dual) and AD8073 (triple) are low cost, current
feedback amplifiers intended for high volume, cost sensitive
applications. In addition to being low cost, these amplifiers
deliver solid video performance into a 150
load while consuming
only 3.5 mA per amplifier of supply current. Furthermore, the
AD8073 is three amplifiers in a single 14-lead narrow-body
SOIC package. This makes it ideal for applications where small
size is essential. Each amplifier’s inputs and output are acces-
sible providing added gain setting flexibility.
These devices provide 30 mA of output current per amplifier,
and are optimized for driving one back terminated video load
(150
Ω)
each. These current feedback amplifiers feature gain
flatness of 0.1 dB to 10 MHz while offering differential gain and
phase error of 0.05% and 0.1°. This makes the AD8072 and
AD8073 ideal for business and consumer video electronics.
Both will operate from a single +5 V to +12 V power supply.
The outputs of each amplifier swing to within 1.3 volts of either
supply rail to accommodate video signals on a single +5 V supply.
The high bandwidth of 100 MHz, 500 V/µs of slew rate, along
with settling to 0.1% in 25 ns, make the AD8072 and AD8073
useful in many general purpose, high speed applications where a
single +5 V or dual power supplies up to
±
6 V are needed. The
AD8072 is available in 8-lead plastic DIP, SOIC, and
µSOIC
packages while the AD8073 is available in 14-lead plastic DIP and
SOIC packages. Both operate over the commercial temperature
range of 0°C to +70°C. Additionally, the AD8072ARM oper-
ates over the industrial temperature range of –40°C to +85°C.
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
6.1
6.0
5.9
AD8073
AD8072
11 –V
S
10
IN3
9 –IN3
8 OUT3
7
6
5.8
5.7
5.6
5.5
5.4
5.3
0.1
4
3
1 dB
DIV
0.1 dB
DIV
2
1
0
–1
500
V
S
= 5V
V
O
= 2V p-p
R
F
= R
G
= 1k
R
L
= 150
A
V
= 2
1
10
FREQUENCY – MHz
100
Figure 1. Large Signal Frequency Response
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000
CLOSED-LOOP GAIN – dB
5
GAIN FLATNESS – dB