Quad 150 MHz
Rail-to-Rail Amplifier
a
AD8044
CONNECTION DIAGRAM
FEATURES
14-Lead Plastic DIP and SOIC
Single AD8041 and Dual AD8042 Also Available
Fully Specified at +3 V, +5 V, and ؎5 V Supplies
Output Swings to Within 25 mV of Either Rail
Input Voltage Range Extends 200 mV Below Ground
No Phase Reversal with Inputs 1 V Beyond Supplies
Low Power of 2.75 mA/Amplifier
High Speed and Fast Settling on +5 V
150 MHz –3 dB Bandwidth (G = +1)
170 V/s Slew Rate
OUT A
–IN A
+IN A
V+
1
2
3
4
5
6
7
14 OUT D
13 –IN D
+IN D
12
V–
11
10
9
AD8044
+IN C
–IN C
OUT C
+IN B
–IN B
OUT B
8
40 ns Settling Time to 0.1%
TOP VIEW
Good Video Specifications (RL = 150 ⍀, G = +2)
Gain Flatness of 0.1 dB to 12 MHz
0.06% Differential Gain Error
0.15؇ Differential Phase Error
Low Distortion
–68 dBc Total Harmonic @ 5 MHz
Outstanding Load Drive Capability
Drives 30 mA 0.5 V from Supply Rails
The output voltage swing extends to within 25 mV of each rail,
providing the maximum output dynamic range. Additionally, it
features gain flatness of 0.1 dB to 12 MHz, while offering differ-
ential gain and phase error of 0.04% and 0.22∞ on a single +5 V
supply. This makes the AD8044 useful for video electronics,
such as cameras, video switchers, or any high speed portable
equipment. The AD8044’s low distortion and fast settling make
it ideal for active filter applications.
APPLICATIONS
Active Filters
Video Switchers
Distribution Amplifiers
A/D Driver
Professional Cameras
CCD Imaging Systems
Ultrasound Equipment (Multichannel)
The AD8044 offers low power supply current of 13.1 mA max
and can run on a single +3.3 V power supply. These features are
ideally suited for portable and battery-powered applications
where size and power are critical.
The wide bandwidth of 150 MHz, along with 170 V/ms of slew
rate on a single +5 V supply, make the AD8044 useful in many
general-purpose, high speed applications where dual power
supplies of up to ±6 V and single supplies from +3 V to +12 V
are needed. The AD8044 is available in 14-lead PDIP and
SOIC.
PRODUCT DESCRIPTION
The AD8044 is a quad, low power, voltage feedback, high
speed amplifier designed to operate on +3 V, +5 V, or ±5 V
supplies. It has true single-supply capability with an input volt-
age range extending 200 mV below the negative rail and within
1 V of the positive rail.
18
V
= +5V
S
15
12
9
G = +1
V
= +5V
S
6
5V
3
0
2.5V
–3
–6
–9
0V
1V
2s
–12
100k
1M
10M
100M
FREQUENCY (Hz)
Figure 1. Output Swing: Gain = –1, RL = 2 kW
REV. B
Figure 2. Frequency Response: Gain = +1, VS = +5 V
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 owners.
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
© 2004 Analog Devices, Inc. All rights reserved.
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