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Analog Devices Semiconductor Electronic Components Datasheet

ADA4899-1 Datasheet

High Speed Op Amp

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ADA4899-1 pdf
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Unity Gain Stable, Ultralow Distortion,
1 nV/Hz Voltage Noise, High Speed Op Amp
ADA4899-1
FEATURES
Unity gain stable
Ultralow noise: 1 nV/√Hz, 2.6 pA/√Hz
Ultralow distortion −117 dBc at 1 MHz
High speed
−3 dB bandwidth: 600 MHz (G = +1)
Slew rate: 310 V/μs
Offset voltage: 230 μV maximum
Low input bias current: 100 nA
Wide supply voltage range: 5 V to 12 V
Supply current: 14.7 mA
High performance pinout
Disable mode
APPLICATIONS
A-to-D drivers
Instrumentation
Filters
IF and baseband amplifiers
DAC buffers
Optical electronics
GENERAL DESCRIPTION
The ADA4899-1 is an ultralow noise (1 nV/√Hz) and distortion
(<−117 dBc @1 MHz) unity gain stable voltage feedback op
amp, the combination of which makes it ideal for 16-bit and
18-bit systems. The ADA4899-1 features a linear, low noise
input stage and internal compensation that achieves high slew
rates and low noise even at unity gain. ADI’s proprietary next
generation XFCB process and innovative circuit design enable
such high performance amplifiers.
The ADA4899-1 drives 100 Ω loads at breakthrough performance
levels with only 15 mA of supply current. With the wide supply
voltage range (4.5 V to 12 V), low offset voltage (230 μV
maximum), wide bandwidth (600 MHz), and slew rate
(310 V/μs), the ADA4899-1 is designed to work in the most
demanding applications. The ADA4899-1 also features an input
bias current cancellation mode, which reduces input bias
current by a factor of 60.
CONNECTION DIAGRAMS
ADA4899-1
DISABLE 1
8 +VS
FEEDBACK 2
7 VOUT
–IN 3
6 NC
+IN 4
5 –VS
NC = NO CONNECT
Figure 1. 8-Lead LFCSP_VD (CP-8-2)
ADA4899-1
FEEDBACK 1
8 DISABLE
–IN 2
+IN 3
–VS 4
7 +VS
6 VOUT
5 –VS
Figure 2. 8-Lead SOIC_N_EP (RD-8-1)
The ADA4899-1 is available in a 3 mm × 3 mm LFCSP and a
8-lead SOIC package. Both packages feature an exposed metal
paddle that improves heat transfer to the ground plane. This is a
significant improvement over traditional plastic packages. The
ADA4899-1 is rated to work over the extended industrial
temperature range, −40°C to +125°C.
–40 G = +1
–50
VS = ±5V
RL = 1k
–60 VOUT = 2V p-p
–70
–80
–90
–100
HD3
HD2
–110
–120
–130
0.1
1 10
FREQUENCY (MHz)
Figure 3. Harmonic Distortion vs. Frequency
100
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
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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.


Analog Devices Semiconductor Electronic Components Datasheet

ADA4899-1 Datasheet

High Speed Op Amp

No Preview Available !

ADA4899-1 pdf
ADA4899-1
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Connection Diagrams...................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications with ±5 V Supply ..................................................... 3
Specifications with +5 V Supply ..................................................... 4
Absolute Maximum Ratings............................................................ 5
Maximum Power Dissipation ..................................................... 5
ESD Caution.................................................................................. 5
Typical Performance Characteristics ............................................. 6
Test Circuits..................................................................................... 12
Theory of Operation ...................................................................... 13
REVISION HISTORY
4/06—Rev. 0 to Rev. A
Changes to Figure 2.......................................................................... 1
10/05—Revision 0: Initial Version
Packaging Innovation ................................................................ 13
DISABLE Pin .............................................................................. 13
Applications..................................................................................... 14
Unity Gain Operation................................................................ 14
Recommended Values for Various Gains................................ 14
Noise ............................................................................................ 15
ADC Driver................................................................................. 15
DISABLE Pin Operation ........................................................... 16
ADA4899-1 MUX ...................................................................... 16
Circuit Considerations .............................................................. 16
Outline Dimensions ....................................................................... 18
Ordering Guide .......................................................................... 19
Rev. A | Page 2 of 20


Part Number ADA4899-1
Description High Speed Op Amp
Maker Analog Devices
Total Page 20 Pages
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