Overview
The AD8056ARM-REEL7, produced by Analog Devices Inc., is a dual voltage feedback amplifier that offers high-speed performance at a low cost. This component is part of the AD8055/AD8056 series, which combines the bandwidth and slew rate typically found in current feedback amplifiers with the ease of use of voltage feedback architecture. The AD8056 is particularly suited for high-speed applications, including video processing, imaging, and professional camera systems. It operates over a wide temperature range of −40°C to +125°C and is available in an 8-lead MSOP package, making it ideal for both portable and battery-powered devices.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Bandwidth | 300 MHz (G = +1) | -3 dB |
| Slew Rate | 1400 V/μs | - |
| Settling Time | 20 ns to 0.1% | G = +2, VO = 2 V step |
| Rise and Fall Time | 2 ns to 4 ns | 10% to 90%, G = +1 to G = +2, VO = 0.5 V to 4 V step |
| Input Voltage Noise | 6 nV/√Hz | f = 100 kHz |
| Input Current Noise | 1 pA/√Hz | f = 100 kHz |
| Differential Gain Error | 0.01% (NTSC, G = +2, RL = 150 Ω) | - |
| Differential Phase Error | 0.02° (NTSC, G = +2, RL = 150 Ω) | - |
| Power Supply Range | ±4 V to ±6 V | - |
| Quiescent Current | 5.4 mA to 13.9 mA (TMIN to 125°C) | - |
| Output Current | Over 60 mA | - |
| Operating Temperature Range | −40°C to +125°C | - |
Key Features
- High-speed voltage feedback architecture with 300 MHz bandwidth and 1400 V/μs slew rate.
- Low distortion and noise: −72 dBc THD at 10 MHz, 6 nV/√Hz input voltage noise.
- Excellent video specifications: 0.01% differential gain error and 0.02° differential phase error into a 150 Ω load.
- Low power consumption: 5 mA typical per amplifier, operating on ±5 V or single +12 V power supply.
- High output drive current: over 60 mA.
- Compact packaging: available in 8-lead MSOP for the AD8056.
- Wide operating temperature range: −40°C to +125°C.
Applications
- Imaging and photodiode preamps.
- Video line drivers and video switchers.
- Differential line drivers.
- Professional cameras.
- A-to-D drivers and active filters.
- Special effects in video processing.
Q & A
- What is the bandwidth of the AD8056?
The AD8056 has a bandwidth of 300 MHz at a gain of +1.
- What is the slew rate of the AD8056?
The slew rate of the AD8056 is 1400 V/μs.
- How long does it take for the AD8056 to settle to 0.1%?
The AD8056 settles to 0.1% in 20 ns at a gain of +2 and an output voltage step of 2 V.
- What is the input voltage noise of the AD8056?
The input voltage noise of the AD8056 is 6 nV/√Hz at 100 kHz.
- What is the differential gain error of the AD8056 in video applications?
The differential gain error of the AD8056 is 0.01% into a 150 Ω load at a gain of +2.
- What is the differential phase error of the AD8056 in video applications?
The differential phase error of the AD8056 is 0.02° into a 150 Ω load at a gain of +2.
- What is the power supply range for the AD8056?
The AD8056 operates on a power supply range of ±4 V to ±6 V.
- How much quiescent current does the AD8056 consume?
The quiescent current of the AD8056 is typically 5.4 mA to 13.9 mA over the operating temperature range.
- What is the maximum output current of the AD8056?
The AD8056 can deliver over 60 mA of output current.
- In what package is the AD8056 available?
The AD8056 is available in an 8-lead MSOP package.
- What is the operating temperature range of the AD8056?
The operating temperature range of the AD8056 is −40°C to +125°C.
