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參數(shù)資料
| 型號(hào)： | AD8009 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 1 GHz, 5,500 V/us Low Distortion Amplifier |
| 中文描述： | 1千兆赫，5,500 V的/我們的低失真放大器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 229K |
| 代理商： | AD8009 |
REV. B
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.
a
AD8009
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
1 GHz, 5,500 V/ s
Low Distortion Amplifier
FUNCTIONAL BLOCK DIAGRAM
8-Lead Plastic SOIC (SO-8) 5-Lead SOT-23 (RT-5)
PRODUCT DESCRIPTION
The AD8009 is an ultrahigh speed current feedback amplifier
with a phenomenal 5,500 V/
μ
s slew rate that results in a rise
time of 545 ps, making it ideal as a pulse amplifier.
The high slew rate reduces the effect of slew rate limiting and
results in the large signal bandwidth of 440 MHz required for
high resolution video graphic systems. Signal quality is main-
tained over a wide bandwidth with worst case distortion of
–40 dBc @ 250 MHz (G = +10, 1 V p-p). For applications
with multitone signals such as IF signal chains, the third order
Intercept (3IP) of 12 dBm is achieved at the same frequency.
This distortion performance coupled with the current feedback
architecture make the AD8009 a flexible component for a gain
stage amplifier in IF/RF signal chains.
The AD8009 is capable of delivering over 175 mA of load
current and will drive four back terminated video loads while
maintaining low differential gain and phase error of 0.02% and
0.04
°
respectively. The high drive capability is also reflected in
the ability to deliver 10 dBm of output power @ 70 MHz with
–38 dBc SFDR.
The AD8009 is available in a small SOIC package and will
operate over the industrial temperature range –40
°
C to +85
°
C.
D
–30
–80
–40
–50
–60
–70
–100
–90
2ND,
150 LOAD
2ND,
100 LOAD
3RD,
150 LOAD
3RD,
100 LOAD
G = 2
R
F
= 301
V
O
= 2V p-p
FREQUENCY RESPONSE – MHz
1
200
10
100
Figure 2. Distortion vs. Frequency; G = +2
FEATURES
Ultrahigh Speed
5,500 V/ s Slew Rate, 4 V Step, G = +2
545 ps Rise Time, 2 V Step, G = +2
Large Signal Bandwidth
440 MHz, G = +2
320 MHz, G = +10
Small Signal Bandwidth (–3 dB)
1 GHz, G = +1
700 MHz, G = +2
Settling Time 10 ns to 0.1%, 2 V Step, G = +2
Low Distortion Over Wide Bandwidth
SFDR
–44 dBc @ 150 MHz, G = +2, V
O
= 2 V p-p
–41 dBc @ 150 MHz, G = +10, V
O
= 2 V p-p
3rd Order Intercept (3IP)
26 dBm @ 70 MHz, G = +10
18 dBm @ 150 MHz, G = +10
Good Video Specifications
Gain Flatness 0.1 dB to 75 MHz
0.01% Differential Gain Error, R
L
= 150
0.01 Differential Phase Error, R
L
= 150
High Output Drive
175 mA Output Load Drive
10 dBm with –38 dBc SFDR @ 70 MHz, G = +10
Supply Operation
5 V Voltage Supply
14 mA (Typ) Supply Current
APPLICATIONS
Pulse Amplifier
IF/RF Gain Stage/Amplifiers
High Resolution Video Graphics
High Speed Instrumentations
CCD Imaging Amplifier
2
FREQUENCY RESPONSE
–
MHz
1
1
–
8
0
–
1
–
2
–
3
–
4
–
5
–
6
–
7
1000
10
N
–
100
G = +2
R
F
= 301
R
L
= 150
G = +10
R
F
= 200
R
L
= 100
V
O
= 2Vp
–
p
Figure 1. Large Signal Frequency Response; G = +2 & +10
1
V
OUT
AD8009
–
V
S
+IN
2
3
4
5
+V
S
–
IN
1
2
3
4
8
7
6
5
NC = NO CONNECT
AD8009
NC
–
IN
+IN
–
V
S
NC
OUT
+V
S
NC
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