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AD8000_15 Datasheet(Hoja de datos) 1 Page - Analog Devices

No. de Pieza. AD8000_15
Descripción  1.5 GHz Ultrahigh Speed Op Amp
Descarga  21 Pages
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Fabricante  AD [Analog Devices]
Página de inicio  http://www.analog.com
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1.5 GHz Ultrahigh Speed Op Amp
Data Sheet
AD8000
Rev. B
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Information furnished by Analog Devices is believed to be accurate and reliable. However, no re-
sponsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2005–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
High speed
1.5 GHz, −3 dB bandwidth (G = +1)
650 MHz, full power bandwidth (G = +2, VO = 2 V p-p)
Slew rate: 4100 V/µs
0.1% settling time: 12 ns
Excellent video specifications
0.1 dB flatness: 170 MHz
Differential gain: 0.02%
Differential phase: 0.01°
Output overdrive recovery: 22 ns
Low noise: 1.6 nV/√Hz input voltage noise
Low distortion over wide bandwidth
75 dBc SFDR @ 20 MHz
62 dBc SFDR @ 50 MHz
Input offset voltage: 1 mV typ
High output current: 100 mA
Wide supply voltage range: 4.5 V to 12 V
Supply current: 13.5 mA
Power-down mode
APPLICATIONS
Professional video
High speed instrumentation
Video switching
IF/RF gain stage
CCD imaging
GENERAL DESCRIPTION
The AD8000 is an ultrahigh speed, high performance, current
feedback amplifier. Using ADI’s proprietary eXtra Fast Com-
plementary Bipolar (XFCB) process, the amplifier can achieve a
small signal bandwidth of 1.5 GHz and a slew rate of 4100 V/µs.
The AD8000 has low spurious-free dynamic range (SFDR) of
75 dBc @ 20 MHz and input voltage noise of 1.6 nV/√Hz. The
AD8000 can drive over 100 mA of load current with minimal
distortion. The amplifier can operate on +5 V to ±6 V. These
specifications make the AD8000 ideal for a variety of applica-
tions, including high speed instrumentation.
With a differential gain of 0.02%, differential phase of 0.01°, and
0.1 dB flatness out to 170 MHz, the AD8000 has excellent video
specifications, which ensure that even the most demanding
video systems maintain excellent fidelity.
CONNECTION DIAGRAMS
1
POWER DOWN
2
FEEDBACK
3
–IN
4
+IN
7 OUTPUT
8 +VS
6 NC
5 –VS
AD8000
TOP VIEW
(Not to Scale)
NOTES
1. NC = NO CONNECT.
2. THE EXPOSED PADDLE IS CONNECTED TO GROUND.
Figure 1. 8-Lead AD8000, 3 mm × 3 mm LFCSP_VD (CP-8-2)
NOTES
1. NC = NO CONNECT.
2. THE EXPOSED PADDLE IS CONNECTED TO GROUND.
FEEDBACK
1
–IN
2
+IN
3
–VS
4
POWER DOWN
8
+VS
7
OUTPUT
6
NC
5
AD8000
TOP VIEW
(Not to Scale)
Figure 2. 8-Lead AD8000 SOIC_N_EP (RD-8-1)
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
FREQUENCY (MHz)
1
100
10
1000
VS = ±5V
RL = 150Ω
VOUT = 2V p-p
G = +2, RF = 432Ω
Figure 3. Large Signal Frequency Response
The AD8000 power-down mode reduces the supply current to
1.3 mA. The amplifier is available in a tiny 8-lead LFCSP pack-
age, as well as in an 8-lead SOIC package. The AD8000 is rated
to work over the extended industrial temperature range (−40°C
to +125°C). A triple version of the AD8000 (AD8003) is under-
development.




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