CONNECTION DIAGRAM
14-Lead Plastic DIP and SOIC
1
2
3
4
5
6
7
14
8
9
10
11
12
13
V+
–IN B
+IN B
OUT B
OUT D
–IN D
+IN D
V–
–IN C
+IN C
OUT C
AD8044
TOP VIEW
–IN A
+IN A
OUT A
a
Quad 150 MHz
Rail-to-Rail Amplifier
AD8044
FEATURES
Single AD8041 and Dual AD8042 Also Available
Fully Specified at +3 V, +5 V, and ⴞ5 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
40 ns Settling Time to 0.1%
Good Video Specifications (R
L
= 150 ⍀, G = +2)
Gain Flatness of 0.1 dB to 12 MHz
0.06% Differential Gain Error
0.15ⴗ Differential Phase Error
Low Distortion
–68 dBc Total Harmonic @ 5 MHz
Outstanding Load Drive Capability
Drives 30 mA 0.5 V from Supply Rails
APPLICATIONS
Active Filters
Video Switchers
Distribution Amplifiers
A/D Driver
Professional Cameras
CCD Imaging Systems
Ultrasound Equipment (Multichannel)
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
1V of the positive rail.
5V
2.5V
0V
2
s
1V
V
S
= +5V
Figure 1. Output Swing: Gain = –1, R
L
= 2 k
W
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.
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.
NORMALIZED GAIN (dB)
1M 10M 100M
FREQUENCY
Hz
15
12
9
6
3
0
–3
–6
–9
V
S
= +5V
G = +1
–12
18
100k
Figure 2. Frequency Response: Gain = +1, V
S
= +5 V
REV. B
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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 owners.
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 © 2004 Analog Devices, Inc. All rights reserved.
