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AD8042: Dual 160 MHz Rail-to-Rail Amplifier Data Sheet (Rev. E)3/19/2008PDF425 kB
Overview
Features and Benefits
- 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
- 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% - Drives 50 mA 0.5 V from supply rails
- No phase reversal with inputs 0.5 V beyond supplies
- Low power of 5.2 mA per amplifier
- 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
Product Details
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.
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 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.
Applications
- Video switchers
- Distribution amplifiers
- Analog-to-digital drivers
- Professional cameras
- CCD Imaging systems
- Ultrasound equipment (multichannel)
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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AN-402: Replacing Output Clamping Op Amps with Input Clamping Amps2/14/2015PDF55 kB
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AN-581: Biasing and Decoupling Op Amps in Single Supply Applications (Rev. 0)2/14/2015PDF166 kB
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AN-414: Low Cost, Low Power Devices for HDSL Applications9/25/2002PDF41 kB
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UG-128: Universal Evaluation Board for Dual High Speed Op Amps in SOIC Packages4/19/2010PDF208 kB
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MT-053: Op Amp Distortion: HD, THD, THD + N, IMD, SFDR, MTPR2/14/2015PDF104 kB
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MT-052: Op Amp Noise Figure: Don't Be Misled2/14/2015PDF60 kB
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MT-050: Op Amp Total Output Noise Calculations for Second-Order System2/14/2015PDF38 kB
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MT-049: Op Amp Total Output Noise Calculations for Single-Pole System2/14/2015PDF40 kB
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MT-048: Op Amp Noise Relationships: 1/f Noise, RMS Noise, and Equivalent Noise Bandwidth2/14/2015PDF81 kB
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MT-047: Op Amp Noise2/14/2015PDF72 kB
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MT-060: Choosing Between Voltage Feedback and Current Feedback Op Amps2/14/2015PDF62 kB
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MT-059: Compensating for the Effects of Input Capacitance on VFB and CFB Op Amps Used in Current-to-Voltage Converters2/14/2015PDF69 kB
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MT-033: Voltage Feedback Op Amp Gain and Bandwidth2/14/2015PDF251 kB
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MT-058: Effects of Feedback Capacitance on VFB and CFB Op Amps2/14/2015PDF66 kB
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MT-056: High Speed Voltage Feedback Op Amps2/3/2009PDF109 kB
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MT-032: Ideal Voltage Feedback (VFB) Op Amp12/11/2008PDF65 kB
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High Speed Amplifiers Selection Table2/27/2008PDF77 kB
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Front End Turns PC Sound Card into High-Speed Sampling Oscilloscope11/1/2011 Analog Dialogue
Tools & Simulations
SPICE Models
CIR
AD8042 SPICE Macro Model
3.05 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.
Reference Designs (1)
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 |
|---|---|---|---|---|
| AD8042ACHIPS | Material Declaration | Reliability Data | none available | |
| AD8042ARZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD8042ARZ-REEL | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD8042ARZ-REEL7 | Material Declaration | Reliability Data | 8-Lead SOIC | |
| Wafer Fabrication Data |
PCN-PDN Information
Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.
Support & Discussions
AD8042 Discussions
Sample & Buy
Ordering FAQs
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Buy Now Pricing
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List Pricing
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Lead Times
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Sampling
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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.