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AD8042-2006 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD8042(2006) 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
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/μs slew rate
39 ns settling time to 0.1%
Good video specifications (RL = 150 Ω, 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 drivers
Professional cameras
CCD Imaging systems
Ultrasound equipment (multichannel)
GENERAL DESCRIPTION
The AD8042 is a 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 voltage range extending
200 mV below the negative rail and within 1 V of the positive rail.
5.0V
G = +1
RL = 2kTO 2.5V
2.5V
0V
1V
1µs
Figure 1. Output Swing: Gain = −1, VS = +5 V
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, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. 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.
Dual 160 MHz
Rail-to-Rail Amplifier
AD8042
CONNECTION DIAGRAM
OUT1 1
8 +VS
–IN1 2
7 OUT2
+IN1 3
6 –IN2
–VS 4 AD8042
5 +IN2
Figure 2. 8-Lead PDIP and 8-Lead SOIC_N
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 differential
gain and phase error of 0.04% and 0.06° on 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 analog-to-digital
converters (ADCs).
The AD8042 offers a low power supply current of 12 mA
maximum 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/μs 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 PDIP and SOIC_N
packages.
15
VS = 5V
12 G = +1
CL = 5pF
9 RL = 2kTO 2.5V
6
3
0
–3
–6
–9
–12
–15
1
10
100
500
FREQUENCY (MHz)
Figure 3. Frequency Response
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
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