Overview
The AD8056ARZ, produced by Analog Devices Inc., is a low-cost, dual, 300 MHz voltage feedback amplifier. It offers high performance characteristics typically found in current feedback amplifiers, such as wide bandwidth and high slew rate, but with the ease of use of a voltage feedback architecture. This amplifier is particularly suited for high-speed applications, including video processing, imaging, and other areas where low distortion and high accuracy are crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth (−3 dB, G = +1) | 300 MHz |
| Slew Rate | 1400 V/μs |
| Settling Time to 0.1% | 20 ns |
| Gain Flatness | 0.1 dB to 40 MHz |
| Differential Gain Error (NTSC, G = +2, RL = 150 Ω) | 0.01% |
| Differential Phase Error (NTSC, G = +2, RL = 150 Ω) | 0.02° |
| Supply Current per Amplifier | 5 mA (typ) |
| Power Supply | Dual ±5 V or single +12 V |
| Output Current | Over 60 mA |
| Operating Temperature Range | −40°C to +125°C |
| Package Types | 8-Lead PDIP, 8-Lead SOIC, 8-Lead MSOP |
Key Features
- High bandwidth of 300 MHz and slew rate of 1400 V/μs, making it suitable for high-speed applications.
- Low differential gain and phase error, ideal for video applications.
- Easy to use voltage feedback architecture.
- Low power consumption with a supply current of 5 mA per amplifier.
- High output drive current of over 60 mA.
- Available in small packages (8-Lead PDIP, 8-Lead SOIC, 8-Lead MSOP) suitable for portable and battery-powered applications.
- Extended temperature range of −40°C to +125°C.
Applications
- Video line drivers and video switchers.
- Imaging and photodiode preamps.
- Differential line drivers.
- Professional cameras and special effects equipment.
- A-to-D drivers and active filters.
Q & A
- What is the bandwidth of the AD8056ARZ amplifier?
The AD8056ARZ has a bandwidth of 300 MHz at a gain of +1.
- What is the slew rate of the AD8056ARZ?
The slew rate of the AD8056ARZ is 1400 V/μs.
- How long does the AD8056ARZ take to settle to 0.1%?
The settling time to 0.1% is 20 ns.
- What are the differential gain and phase errors for video applications?
The differential gain error is 0.01% and the differential phase error is 0.02° into a 150 Ω load.
- What are the power supply options for the AD8056ARZ?
The AD8056ARZ can operate on dual ±5 V or a single +12 V power supply.
- How much output current can the AD8056ARZ deliver?
The AD8056ARZ can deliver over 60 mA of load current.
- What are the available package types for the AD8056ARZ?
The AD8056ARZ is available in 8-Lead PDIP, 8-Lead SOIC, and 8-Lead MSOP packages.
- What is the operating temperature range of the AD8056ARZ?
The operating temperature range is −40°C to +125°C.
- Is the AD8056ARZ suitable for portable and battery-powered applications?
Yes, due to its low power consumption and small package sizes, it is ideal for portable and battery-powered applications.
- What are some common applications of the AD8056ARZ?
Common applications include video line drivers, imaging, photodiode preamps, differential line drivers, and professional cameras.
