300 MHz
Current Feedback Amplifier
AD8011
FEATURES
Easy to Use
Low Power
1 mA Power Supply Current (5 mW on 5 VS)
High Speed and Fast Settling on 5 V
300 MHz, –3 dB Bandwidth (G = +1)
180 MHz, –3 dB Bandwidth (G = +2)
2000 V/s Slew Rate
29 ns Settling Time to 0.1%
Good Video Specifications (RL = 1 k⍀, G = +2)
Gain Flatness 0.1 dB to 25 MHz
0.02% Differential Gain Error
0.06؇ Differential Phase Error
Low Distortion
–70 dBc Worst Harmonic @ 5 MHz
–62 dBc Worst Harmonic @ 20 MHz
Single Supply Operation
Fully Specified for 5 V Supply
FUNCTIONAL BLOCK DIAGRAM
8-Lead PDIP and SOIC
NC 1
–IN 2
4
AD8011
V+
5 NC
NC = NO CONNECT
PRODUCT DESCRIPTION
The AD8011 is a very low power, high speed amplifier designed
to operate on +5 V or ± 5 V supplies. With wide bandwidth,
low distortion, and low power, this device is ideal as a generalpurpose amplifier. It also can be used to replace high speed
amplifiers consuming more power. The AD8011 is a current feedback amplifier and features gain flatness of 0.1 dB to 25 MHz
while offering differential gain and phase error of 0.02% and 0.06°
on a single 5 V supply. This makes the AD8011 ideal for professional video electronics such as cameras, video switchers, or any
high speed portable equipment. Additionally, the AD8011’s low
distortion and fast settling make it ideal for buffering high speed
8-, 10-, and 12-bit A-to-D converters.
The AD8011 offers very low power of 1 mA maximum and can
run on single 5 V to 12 V supplies. All this is offered in a small
8-lead PDIP or 8-lead SOIC package. These features fit well with
portable and battery-powered applications where size and power
are critical.
G = +2
RF = 1k⍀
VS = +5V OR ؎5V
VOUT = 200mV p-p
The AD8011 is available in the industrial temperature range of
–40°C to +85°C.
2
–40
1
0
G = +2
THIRD
RL = 150⍀
–1
–2
–3
–4
–5
1
10
FREQUENCY (MHz)
100
500
Figure 1. Frequency Response; G = +2, VS = +5 V, or ± 5 V
DISTORTION (dBc)
NORMALIZED GAIN (dB)
6 OUT
V–
5
3
7
+IN 3
APPLICATIONS
Power Sensitive, High Speed Systems
Video Switchers
Distribution Amplifiers
A-to-D Driver
Professional Cameras
CCD Imaging Systems
Ultrasound Equipment (Multichannel)
4
8 NC
–60
SECOND
RL = 150⍀
THIRD
RL =1k⍀
–80
SECOND
RL = 1k⍀
–100
10
20
FREQUENCY (MHz)
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
Figure 2. Distortion vs. Frequency; VS = ± 5 V
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© 2003 Analog Devices, Inc. All rights reserved.
