Datasheet AD8042 (Analog Devices)

Dual 160 MHz Rail-to-Rail Amplifier AD8042 FEATURES CONNECTION DIAGRAM Single AD8041 and quad AD8044 also available Fully specified at +3 V, +5 V, and ±5 V supplies OUT1 1 8 +VS Output swings to within 30 mV of either rail –IN1 2 7 OUT2 Input voltage range extends 200 mV below ground +IN1 3 6 –IN2 No phase reversal with inputs 0.5 V beyond supplies
1
Low power of 5.2 mA per amplifier –VS 4 5 +IN2 AD8042
-00 59 10
High speed and fast settling on 5 V
0 Figure 2. 8-Lead PDIP and 8-Lead SOIC_N
160 MHz, −3 dB bandwidth (G = +1) 200 V/μs slew rate
The output voltage swing extends to within 30 mV of each rail,
39 ns settling time to 0.1%
providing the maximum output dynamic range. Additionally, it
Good video specifications (RL = 150 Ω, G = +2)
features gain flatness of 0.1 dB to 14 MHz while offering differential
Gain flatness of 0.1 dB to 14 MHz
gain and phase error of 0.04% and 0.06° on a single 5 V supply.
0.02% differential gain error
This combination of features makes the AD8042 useful for
0.04° differential phase error
professional video electronics, such as cameras, video switchers,
Low distortion: −64 dBc worst harmonic @ 10 MHz
or any high speed portable equipment. The low distortion and
Drives 50 mA 0.5 V from supply rails
fast settling of the AD8042 make it ideal for buffering single-

supply, high speed analog-to-digital converters (ADCs).
APPLICATIONS
The AD8042 offers a low power supply current of 12 mA
Video switchers
maximum and can run on a single 3.3 V power supply. These
Distribution amplifiers
features are ideally suited for portable and battery-powered
Analog-to-digital drivers
applications where size and power are critical.
Professional cameras CCD Imaging systems
The wide bandwidth of 160 MHz along with 200 V/μs of slew
Ultrasound equipment (multichannel)
rate on a single 5 V supply make the AD8042 useful in many

general-purpose, high speed applications where single supplies
GENERAL DESCRIPTION
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 8-lead The AD8042 is a low power voltage feedback, high speed amplifier SOIC_N packages. designed to operate on +3 V, +5 V, or ±5 V supplies. It has true single-supply capability with an input voltage range extending
15 VS = 5V
200 mV below the negative rail and within 1 V of the positive rail.
12 G = +1 CL = 5pF 9 RL = 2kΩ TO 2.5V ) G = +1 R 6 L = 2kΩ TO 2.5V (dB IN 3 GA 5.0V 0 OOP -L D –3 E 2.5V OS –6 L C –9 –12
003 9-
0V
05
–15
01
1 10 100 500
2
FREQUENCY (MHz)
-00
1V 1µs
59 10 Figure 3. Frequency Response 0 Figure 1. Output Swing: Gain = +1, VS = +5 V
Rev. E 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. 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. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION CIRCUIT DESCRIPTION DRIVING CAPACITIVE LOADS OVERDRIVE RECOVERY Single-Supply Composite Video Line Driver Single-Ended-to-Differential Driver Single-Supply Differential A/D Driver HDSL Line Driver LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE