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AD8042-2004 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD8042(2004) Dual 160 MHz Rail-to-Rail Amplifier ADI
Analog Devices ADI
AD8042 Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Dual 160 MHz
Rail-to-Rail Amplifier
AD8042
FEATURES
Single AD8041 and Quad AD8044 also Available
Fully Specified at +3 V, +5 V, and ؎5 V Supplies
Output Swings to Within 30 mV of Either Rail
Input Voltage Range Extends 200 mV Below Ground
No Phase Reversal with Inputs 0.5 V Beyond Supplies
Low Power of 5.2 mA per Amplifier
High Speed and Fast Settling on 5 V:
160 MHz –3 dB Bandwidth (G = +1)
200 V/s Slew Rate
39 ns Settling Time to 0.1%
Good Video Specifications (RL = 150 , G = +2)
Gain Flatness of 0.1 dB to 14 MHz
0.02% Differential Gain Error
0.04؇ Differential Phase Error
Low Distortion
–64 dBc Worst Harmonic @ 10 MHz
Drives 50 mA 0.5 V from Supply Rails
APPLICATIONS
Video Switchers
Distribution Amplifiers
A/D Driver
Professional Cameras
CCD Imaging Systems
Ultrasound Equipment (Multichannel)
PRODUCT DESCRIPTION
The AD8042 is a low power voltage feedback, high speed am-
plifier designed to operate on +3 V, +5 V, or ± 5 V supplies. It
has true single supply capability with an input voltage range
extending 200 mV below the negative rail and within 1 V of the
positive rail.
G=1
RL = 2kTO +2.5V
5V
2.5V
0V
1V
1s
Figure 1. Output Swing: Gain = –1, VS = +5 V
REV. C
CONNECTION DIAGRAM
8-Lead Plastic DIP and SOIC
OUT1 1
–IN1 2
+IN1 3
–VS 4 AD8042
8 +VS
7 OUT2
6 –IN2
5 +IN2
The output voltage swing extends to within 30 mV of each rail,
providing the maximum output dynamic range. Additionally, it
features gain flatness of 0.1 dB to 14 MHz while offering differ-
ential gain and phase error of 0.04% and 0.06on a single 5 V
supply. This makes the AD8042 useful for professional video
electronics such as cameras, video switchers, or any high speed
portable equipment. The AD8042’s low distortion and fast
settling make it ideal for buffering single supply, high speed
A/D converters.
The AD8042 offers low power supply current of 12 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 160 MHz along with 200 V/ms of slew rate
on a single 5 V supply make the AD8042 useful in many general-
purpose, high speed applications where single supplies from
3.3 V to 12 V and dual power supplies of up to ± 6 V are needed.
The AD8042 is available in 8-lead plastic DIP and SOIC.
15
VS = 5V
12 G = +1
9
CL = 5pF
RL = 2kTO 2.5V
6
3
0
–3
–6
–9
–12
–15
1
10
100
500
FREQUENCY (MHz)
Figure 2. Frequency Response
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 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.
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