Ultralow Distortion
High Speed Amplifiers
AD8007/AD8008
FEATURES
CONNECTION DIAGRAMS
Extremely Low Distortion
Second Harmonic
SOIC (R)
SC70 (KS-5)
–88 dBc @ 5 MHz
AD8007
AD8007
–83 dBc @ 20 MHz (AD8007)
–77 dBc @ 20 MHz (AD8008)
Third Harmonic
V
5
+V
S
1
2
3
OUT
1
2
3
4
8
7
6
5
(Top View)
NC
–IN
+IN
(Top View)
NC
+V
S
–V
S
V
–101 dBc @ 5 MHz
OUT
4
+IN
–IN
–92 dBc @ 20 MHz (AD8007)
–98 dBc @ 20 MHz (AD8008)
High Speed
–V
S
NC
NC = NO CONNECT
650 MHz, –3 dB Bandwidth (G = +1)
1000 V/s Slew Rate
Low Noise
SOIC (R) and MSOP (RM)
2.7 nV/ Hz Input Voltage Noise
AD8008
√
(Top View)
22.5 pA/ Hz Input Inverting Current Noise
V
1
2
3
4
8
7
6
5
+V
V
OUT1
S
√
Low Power
–IN1
+IN1
OUT2
9 mA/Amplifier Typ Supply Current
Wide Supply Voltage Range
5 V to 12 V
–IN2
+IN2
–V
S
0.5 mV Typical Input Offset Voltage
Small Packaging
SOIC-8, MSOP, and SC70 Packages Available
APPLICATIONS
Instrumentation
IF and Baseband Amplifiers
Filters
A/D Drivers
DAC Buffers
The AD8007 is available in a tiny SC70 package as well as a
standard 8-lead SOIC. The dual AD8008 is available in both
8-lead SOIC and 8-lead MSOP packages. These amplifiers are
rated to work over the industrial temperature range of –40°C
to +85°C.
GENERAL DESCRIPTION
–30
The AD8007 (single) and AD8008 (dual) are high perfor-
mance current feedback amplifiers with ultralow distortion
and noise. Unlike other high performance amplifiers, the low
price and low quiescent current allow these amplifiers to be
used in a wide range of applications. ADI’s proprietary second
generation eXtra-Fast Complementary Bipolar (XFCB)
process enables such high performance amplifiers with low
power consumption.
G = +2
R
V
= 150⍀
–40
–50
L
=
5V
S
V
= 2V p-p
OUT
–60
–70
SECOND
THIRD
–80
The AD8007/AD8008 have 650 MHz bandwidth, 2.7 nV/ Hz
√
voltage noise, –83 dB SFDR @ 20 MHz (AD8007), and –77 dBc
SFDR @ 20 MHz (AD8008).
–90
–100
–110
With the wide supply voltage range (5 V to 12 V) and wide band-
width, the AD8007/AD8008 are designed to work in a variety of
applications. The AD8007/AD8008 amplifiers have a low power
supply current of 9 mA/amplifier.
1
10
FREQUENCY – MHz
100
Figure 1. AD8007 Second and Third Harmonic
Distortion vs. Frequency
REV. D
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
www.analog.com
© 2003 Analog Devices, Inc. All rights reserved.
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