ADA4856-3
Single-Supply, High Speed, Fixed G = +2, Rail-to-Rail Output Video Amplifier
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Overview
Features and Benefits
- Voltage feedback architecture
- High speed amplifier
-3 dB bandwidth: 225 MHz
0.1 dB flatness at 2 V p-p: 74 MHz
Slew rate: 800 V/µs
Settling time to 0.1% with 2 V step: 5 ns - High input common-mode voltage range
-VS − 0.2 V to +VS − 1 V - Rail-to-rail output swing: 0.1 V to 4.9 V
- Supply range: 3 V to 5.5 V
- Differential gain error: 0.01%
- Differential phase error: 0.01°
- Low power
7.8 mA/amplifier typical supply current
Power-down feature - Available in 16-lead LFCSP
Product Details
The ADA4856-3 (triple) is a fixed gain of +2, single-supply, rail-to-rail output video amplifier. It provides excellent video performance with 225 MHz, −3 dB bandwidth, 800 V/μs slew rate, and 74 MHz, 0.1 dB flatness into a 150 Ω load. It has a wide input common-mode voltage range that extends 0.2 V below ground and 1 V below the positive rail. In addition, the output voltage swings within 200 mV of either supply, making this video amplifier easy to use on single-supply voltages as low as 3.3 V.The ADA4856-3 offers a typical low power of 7.8 mA per amplifier, while being capable of delivering up to 52 mA of load current. It also features a power-down function for power sensitive applications that reduces the supply current to 1 mA.
The ADA4856-3 is available in a 16-lead LFCSP and is designed to work over the extended industrial temperature range of −40°C to +105°C.
Applications
Data Sheet, Rev. A, 01/2009
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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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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What’s in Your Toolbox?1/1/2009
Tools & Simulations
Design Tool
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 |
|---|---|---|---|---|
| ADA4856-3YCPZ-R7 | Material Declaration | Reliability Data | 16-Lead LFCSP (4mm x 4mm x 0.85mm w/ EP) | |
| ADA4856-3YCPZ-RL | Material Declaration | Reliability Data | 16-Lead LFCSP (4mm x 4mm x 0.85mm w/ EP) | |
| Wafer Fabrication Data |
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