Triple, 1.5 GHz Op Amp
Data Sheet
AD8003
FEATURES
CONNECTION DIAGRAM
High speed
1650 MHz (G = +1)
730 MHz (G = +2, VO = 2 V p-p)
4300 V/µs (G = +2, 4 V step)
Settling time 12 ns to 0.1%, 2 V step
Excellent for QXGA resolution video
Gain flatness 0.1 dB to 190 MHz
0.05% differential gain error, RL = 150 Ω
0.01° differential phase error, RL = 150 Ω
Low voltage offset: 0.7 mV (typical)
Low input bias current: 7 µA (typical)
Low noise: 1.8 nV/√Hz
Low distortion over wide bandwidth: SFDR −73 dBc @ 20 MHz
High output drive: 100 mA output load drive
Supply operation: +5 V to 5 V voltage supply
Supply current: 9.5 mA/amplifier
24 23 22 21 20 19
+V
+V
S3
1
18
17
16
15
14
13
S1
FEEDBACK 1
–IN 1
FEEDBACK 3
–IN 3
2
3
4
+IN 1
+IN 3
POWER DOWN 1
POWER DOWN 3
5
6
–V
S1
–V
S3
7
8
9
10 11 12
NOTES
1. NC = NO CONNECT.
2. EXPOSED PAD (LFCSP ONLY): THE EXPOSED PAD CAN BE CONNECTED TO GND
OR POWER PLANES, OR IT CAN BE LEFT FLOATING.
APPLICATIONS
High resolution video graphics
Professional video
Consumer video
Figure 1. 24-Lead, 4 mm × 4 mm LFCSP_WQ (CP-24)
High speed instrumentation
Muxing
The AD8003 operates on only 9.5 mA of supply current per
amplifier. The independent power-down function of the AD8003
reduces the quiescent current even further to 1.6 mA.
GENERAL DESCRIPTION
The AD8003 is a triple ultrahigh speed current feedback amplifier.
Using ADI’s proprietary eXtra Fast Complementary Bipolar
(XFCB) process, the AD8003 achieves a bandwidth of 1.5 GHz
and a slew rate of 4300 V/µs. Additionally, the amplifier provides
excellent dc precision with an input bias current of 50 µA
maximum and a dc input voltage of 0.7 mV.
The AD8003 amplifier is available in a compact 4 mm × 4 mm,
24-lead LFCSP_WQ. The AD8003 is rated to work over the
industrial temperature range of −40°C to +85°C.
3
V
= ±5V
S
G = +1, R = 432Ω
F
2
1
The AD8003 has excellent video specifications with a frequency
response that remains flat out to 190 MHz and 0.1% settling within
12 ns to ensure that even the most demanding video systems
maintain excellent fidelity. For applications that use NTSC video,
as well as high speed video, the amplifier provides a differential
gain of 0.05% and a differential gain of 0.01°.
G = +2, +5, R = 464Ω
G = +1
F
R
= 150Ω
G = +2
L
V
= 2V p-p
OUT
0
–1
–2
–3
–4
–5
–6
–7
G = +5
The AD8003 has very low spurious-free dynamic range (SFDR)
(−73 dBc @ 20 MHz) and noise (1.8 nV/√Hz). With a supply
range between 5 V and 11 V and ability to source 100 mA of
output current, the AD8003 is ideal for a variety of applications.
1
10
100
1000
FREQUENCY (MHz)
Figure 2. Large Signal Frequency Response for Various Gains
Rev. C
Document Feedback
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
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2005–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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