ADA4899-1
Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp
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Overview
Features and Benefits
- 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
Product Details
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. The Analog Devices, Inc. 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 maxi-mum), 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 that reduces input bias current by a factor of 60.
The ADA4899-1 is available in a 3 mm × 3 mm LFCSP and an 8-lead SOIC package. Both packages feature an exposed metal paddle that improves heat transfer to the ground plane, which 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.
Applications
- Analog-to-digital drivers
- Instrumentation
- Filters
- IF and baseband amplifiers
- DAC buffers
- Optical electronics
Product Categories
Markets and Technologies
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation & Resources
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Understanding PulSAR ADC Support Circuitry7/30/2020
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AN-1384: Modular Data Acquisition (DAQ) Footprint Using the AD7768/AD7768-4 (Rev. A)5/3/2019
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AN-0993: Active Filter Evaluation Board for Analog Devices, Inc., - Low Distortion Pinout Op Amps (Rev. 0)2/14/2015
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AN-402: Replacing Output Clamping Op Amps with Input Clamping Amps2/14/2015
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AN-581: Biasing and Decoupling Op Amps in Single Supply Applications (Rev. 0)2/14/2015
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UG-919: Universal Evaluation Board for Single, 8-Lead LFCSP Operational Amplifiers (Rev. 0)3/10/2016
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UG-755: 8-Lead SOIC Amplifier Evaluation Board User Guide (Rev. A)4/14/2015
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UG-084: Evaluation Board for Single, High Speed Operational Amplifiers (8-Lead, SOIC with Dedicated Feedback Pin and Exposed Paddle)2/25/2010
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MT-053: Op Amp Distortion: HD, THD, THD + N, IMD, SFDR, MTPR2/14/2015
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MT-052: Op Amp Noise Figure: Don't Be Misled2/14/2015
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MT-050: Op Amp Total Output Noise Calculations for Second-Order System2/14/2015
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MT-049: Op Amp Total Output Noise Calculations for Single-Pole System2/14/2015
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MT-048: Op Amp Noise Relationships: 1/f Noise, RMS Noise, and Equivalent Noise Bandwidth2/14/2015
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MT-047: Op Amp Noise2/14/2015
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MT-060: Choosing Between Voltage Feedback and Current Feedback Op Amps2/14/2015
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MT-059: Compensating for the Effects of Input Capacitance on VFB and CFB Op Amps Used in Current-to-Voltage Converters2/14/2015
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MT-033: Voltage Feedback Op Amp Gain and Bandwidth2/14/2015
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MT-058: Effects of Feedback Capacitance on VFB and CFB Op Amps2/14/2015
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MT-056: High Speed Voltage Feedback Op Amps2/3/2009
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MT-032: Ideal Voltage Feedback (VFB) Op Amp12/11/2008
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SAR ADC & Driver Quick-Match Guide9/13/2013
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High Speed Amplifiers Selection Table2/27/2008
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Can You Really Get ppm Accuracies from Op Amps?7/17/2019 Analog Dialogue
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Selecting an ADC driver to achieve optimized signal chain performance7/13/2015
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Increase Dynamic Range of SAR ADCs Using Oversampling6/1/2015
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Demystifying High-Performance Multiplexed Data-Acquisition Systems7/1/2014 Analog Dialogue
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High-Performance Data-Acquisition System Enhances Images for Digital X-Ray and MRI10/1/2013 Analog Dialogue
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New High-Resolution Multiplying DACs Excel at Handling AC Signals9/1/2010 Analog Dialogue
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Low-Cost Video Multiplexing Using High-Speed Amplifiers1/1/2009 Analog Dialogue
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Amplifier Input Protection... Friend or Foe?5/1/2007 Analog Dialogue
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How to Combine a Low-Pass Filter and an ADC Driver for a 20 V p-p Signal1/16/2023
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A Foolish Question about Op Amps and Capacitors4/1/2011
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Op Amp Dedicated Feedback Pin Helps Achieve New Levels of Performance.1/1/2011
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Is Your Amplifier Disabled, or is it Merely Sleeping?7/1/2010
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Impedance Measuring Chip Offers Little Resistance to Applications3/1/2009
Tools & Simulations
LTspice
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Models for the following parts are available in LTspice:
ADA4899
Precision ADC Driver Tool
The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input
SPICE Models
CIR
ADA4899 SPICE Macro Model
7.65 K
Design Tools
Analog Filter Wizard
Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.
Analog Photodiode Wizard
Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.
VRMS/dBm/dBu/dBV calculators
A utility to convert between standard units of power measurement and signal strength.
Power Dissipation vs Die Temp
This tool estimates die temperature and power dissipation based on the supply voltages, ambient temperature, load characteristics, and package thermal data.
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| ADA4899-1YCPZ-R7 | Material Declaration | Reliability Data | 8-Lead LFCSP (3mm x 3mm w/ EP) | |
| ADA4899-1YRDZ | Material Declaration | Reliability Data | 8-Lead SOIC w/ EP | |
| ADA4899-1YRDZ-R7 | Material Declaration | Reliability Data | 8-Lead SOIC w/ EP | |
| ADA4899-1YRDZ-RL | Material Declaration | Reliability Data | 8-Lead SOIC w/ EP | |
| Wafer Fabrication Data |
PCN-PDN Information
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Support & Discussions
ADA4899-1 Discussions
Sample & Buy
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.