Overview
The AD8056AR-REEL, produced by Analog Devices Inc., is a dual voltage feedback amplifier that offers high performance at a low cost. This amplifier is known for its high bandwidth and slew rate, characteristics typically found in current feedback amplifiers. It is easy to use and suitable for a variety of high-speed applications, including video processing, imaging, and professional cameras. The AD8056 operates on a dual ±5 V or single +12 V power supply, consuming only 5 mA of supply current per amplifier while delivering over 60 mA of load current. Its compact packaging options, such as the 8-lead SOIC, make it ideal for portable and battery-powered applications where size and power are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth | 300 MHz (G = +1) |
| Slew Rate | 1400 V/μs |
| Settling Time to 0.1% | 20 ns (G = +2, VO = 2 V step) |
| Input Voltage Noise | 6 nV/√Hz at 100 kHz |
| Input Offset Voltage (VOS) | 5 mV max |
| Power Supply Range | ±4 V to ±6 V or +8 V to +12 V |
| Quiescent Current per Amplifier | 5 mA typ (at ±5 V supply) |
| Output Current | Over 60 mA |
| Operating Temperature Range | −40°C to +125°C |
| Package Type | 8-Lead SOIC (R-8) |
Key Features
- High bandwidth of 300 MHz and slew rate of 1400 V/μs, making it suitable for high-speed applications.
- Low distortion: −72 dBc at 10 MHz.
- Low noise: 6 nV/√Hz at 100 kHz.
- Excellent video specifications: 0.01% differential gain error and 0.02° differential phase error into a 150 Ω load.
- Compact packaging options: 8-lead SOIC, 8-lead MSOP, and 8-lead PDIP.
- Low power consumption: 5 mA typ/amplifier supply current.
- High output drive current: over 60 mA.
- Extended temperature range: −40°C to +125°C.
Applications
- Imaging and photodiode preamps.
- Video line drivers and 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 amplifier?
The bandwidth of the AD8056 amplifier is 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 much current does the AD8056 consume per amplifier?
The AD8056 consumes 5 mA of supply current per amplifier.
- What is the maximum output current of the AD8056?
The AD8056 can deliver over 60 mA of load current.
- What are the typical applications of the AD8056?
The AD8056 is typically used in imaging, video line drivers, differential line drivers, professional cameras, and other high-speed applications.
- What is the operating temperature range of the AD8056?
The operating temperature range of the AD8056 is −40°C to +125°C.
- What are the available package types for the AD8056?
The AD8056 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead PDIP packages.
- How much noise does the AD8056 generate?
The AD8056 has an input voltage noise of 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.
- Is the AD8056 suitable for battery-powered applications?
Yes, the AD8056 is suitable for battery-powered applications due to its low power consumption and compact packaging.
