Quad 3000 V/ꢀs, 35 mW
Current Feedback Amplifier
a
AD8004
FEATURES
CONNECTION DIAGRAM
High Speed
250 MHz –3 dB Bandwidth (G = +1)
3000 V/ꢀs Slew Rate
PDIP (N), CERDIP (Q), and
SOIC (R) Packages
21 ns Settling Time to 0.1%
1.8 ns Rise Time for 2 V Step
Low Power
3.5 mA/Amp Power Supply Current (35 mW/Amp)
Single Supply Operation
Fully Specified for +5 V Supply
Good Video Specifications (RL = 150 ꢁ, G = +2)
Gain Flatness 0.1 dB to 30 MHz
0.04% Differential Gain Error
0.10ꢂ Differential Phase Error
Low Distortion
OUTPUT
–IN
1
2
3
4
5
6
7
14
13
12
OUTPUT
–IN
1
4
+IN
+IN
AD8004
TOP VIEW)
+V
11 –V
S
S
(
+IN
+IN
–IN
10
9
–IN
2
3
OUTPUT
OUTPUT
8
30 MHz while offering differential gain and phase error of
0.04% and 0.10∞. This makes the AD8004 suitable for video
electronics such as cameras and video switchers.
–78 dBc THD at 5 MHz
–61 dBc THD at 20 MHz
High Output Current of 50 mA
Available in a 14-Lead PDIP, SOIC, and CERDIP
The AD8004 offers low power of 3.5 mA/amplifier and can run
on a single +4 V to +12 V power supply, while being capable of
delivering up to 50 mA of load current. All this is offered in a
small 14-lead DIP or 14-lead SOIC package. These features
make this amplifier ideal for portable and battery powered appli-
cations where size and power are critical.
APPLICATIONS
Image Scanners
Active Filters
Video Switchers
Special Effects
The outstanding bandwidth of 250 MHz along with 3000 V/ms
of slew rate make the AD8004 useful in many general-purpose,
high speed applications where dual power supplies of up to ±6 V
and single supplies from 4 V to 12 V are needed. The AD8004
is available in the industrial temperature range of –40∞C to +85∞C
in the N and R packages, and in the military temperature range
of –55∞C to +125∞C in the Q package.
GENERAL DESCRIPTION
The AD8004 is a quad, low power, high speed amplifier designed
to operate on single or dual supplies. It utilizes a current feed-
back architecture and features high slew rate of 3000 V/ms
making the AD8004 ideal for handling large amplitude pulses.
Additionally, the AD8004 provides gain flatness of 0.1 dB to
0.04
0.03
0.02
0.01
0.00
–0.01
–0.02
–0.03
–0.04
1
0
G = +2
–1
–2
–3
–4
–5
–6
–7
–8
–9
V
= 50mV rms
= 100ꢁ
= 1.10kꢁ
80 IRE
IN
R
R
R
V
= 150ꢁ
= ꢃ5V
= 1.21kꢁ
L
L
S
ꢃ5V
S
F
+5V
S
R
R PACKAGE
F
0.1
0
1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 11TH
0.12
0.10
0.08
0.06
0.04
0.02
0.00
–0.02
–0.1
–0.2
–0.3
–0.4
–0.5
ꢃ5V
S
+5V
S
80 IRE
R
V
= 150ꢁ
= ꢃ5V
= 1.21kꢁ
L
S
R
F
–0.04
100
1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 11TH
1
10
40
500
FREQUENCY – MHz
Figure 2. Differential Gain/Differential Phase
Figure 1. Frequency Response and Flatness, G = +2
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, 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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