Datasheet ADA4861-3 (Analog Devices)

High Speed, Low Cost, Triple Op Amp ADA4861-3 FEATURES PIN CONFIGURATION High speed POWER DOWN 1 1 14 OUT 2 730 MHz, −3 dB bandwidth POWER DOWN 2 2 13 –IN 2 625 V/μs slew rate POWER DOWN 3 3 12 +IN 2 13 ns settling time to 0.5% ADA4861-3 Wide supply range: 5 V to 12 V +VS 4 11 –VS Low power: 6 mA/amplifier +IN 1 5 10 +IN 3 0.1 dB flatness: 100 MHz –IN 1 6 9 –IN 3
01
Differential gain: 0.01% OUT 1
0
7 8 OUT 3
8-70
Differential phase: 0.02°
05 Figure 1.
Low voltage offset: 100 μV (typical) High output current: 25 mA Power down APPLICATIONS Consumer video Professional video Broadband video ADC buffers Active filters GENERAL DESCRIPTION
The ADA4861-3 is a low cost, high speed, current feedback,
6.1 G = +2 V
triple op amp that provides excellent overall performance. The
6.0 OUT = 2V p-p RF = RG = 301Ω
730 MHz, −3 dB bandwidth, and 625 V/μs slew rate make this
5.9 )
amplifier well suited for many high speed applications. With its
B d 5.8 (
combination of low price, excellent differential gain (0.01%),
IN VS = ±5V A 5.7
differential phase (0.02°), and 0.1 dB flatness out to 100 MHz,
G VS = +5V 5.6
this amplifier is ideal for both consumer and professional video
OOP -L
applications.
D 5.5 E OS 5.4 L
The ADA4861-3 is designed to operate on supply voltages as
C 5.3
low as +5 V and up to ±5 V using only 6 mA/amplifier of supply
5.2
current. To further reduce power consumption, each amplifier 011 08- 57 is equipped with a power-down feature that lowers the supply
5.1
0
0.1 1 10 100 1000
current to 0.3 mA/amplifier when not being used.
FREQUENCY (MHz)
Figure 2. Large Signal 0.1 dB Flatness The ADA4861-3 is available in a 14-lead SOIC_N package and is designed to work over the extended temperature range of −40°C to +105°C.
Rev. A 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 ©2006 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS GAIN CONFIGURATIONS 20 MHz ACTIVE LOW-PASS FILTER RGB VIDEO DRIVER DRIVING TWO VIDEO LOADS POWER-DOWN PINS SINGLE-SUPPLY OPERATION POWER SUPPLY BYPASSING LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE