Overview
The AD8047AR-REEL7, produced by Analog Devices Inc., is a high-speed, wide bandwidth operational amplifier. The AD8047 is unity gain stable, making it versatile for various applications that require high performance and low distortion. This amplifier utilizes a voltage feedback architecture, combining the best characteristics of both current feedback and voltage feedback amplifiers. It is particularly suited for applications demanding fast and accurate pulse response, wide small-signal and large-signal bandwidths, and low harmonic distortion.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth (Small Signal) | 250 MHz |
| Bandwidth (Large Signal) | 130 MHz |
| Slew Rate | 1000 V/µs |
| Settling Time (0.01%) | 30 ns |
| Settling Time (0.1%) | 13 ns |
| Harmonic Distortion (at 20 MHz) | -54 dBc |
| Noise Current | 1.0 pA/√Hz |
| Supply Current | 6.6 mA (max) |
| Operating Temperature Range | -40°C to +85°C (industrial) |
| Package Type | 8-Lead SOIC (AD8047AR-REEL7) |
Key Features
- High-speed and wide bandwidth, making it suitable for applications requiring fast pulse response and low distortion.
- Unity gain stable, allowing for flexible use in various configurations.
- Low harmonic distortion, achieving -54 dBc at 20 MHz.
- Fast settling times of 30 ns to 0.01% and 13 ns to 0.1%.
- High slew rate of 1000 V/µs.
- Low noise current of 1.0 pA/√Hz.
Applications
The AD8047AR-REEL7 is well-suited for a variety of high-performance applications, including:
- Photodetectors: Due to its high bandwidth and low distortion, it is ideal for amplifying signals from photodetectors.
- Active Filters and Integrators: Its wide bandwidth and fast settling times make it a good choice for active filter and integrator circuits.
- Log Amplifiers: The amplifier's characteristics are beneficial for log amplifier applications.
- DAC Current to Voltage Conversion: Its fast settling times and low distortion make it an excellent choice for DAC I/V conversion.
- Video and Baseband Communications: Suitable for applications in video and baseband communications due to its high bandwidth and low distortion.
Q & A
- What is the small signal bandwidth of the AD8047AR-REEL7?
The small signal bandwidth of the AD8047AR-REEL7 is 250 MHz.
- What is the slew rate of the AD8047AR-REEL7?
The slew rate of the AD8047AR-REEL7 is 1000 V/µs.
- What is the settling time of the AD8047AR-REEL7 to 0.01% accuracy?
The settling time to 0.01% accuracy is 30 ns.
- What is the harmonic distortion of the AD8047AR-REEL7 at 20 MHz?
The harmonic distortion at 20 MHz is -54 dBc.
- What is the maximum supply current of the AD8047AR-REEL7?
The maximum supply current is 6.6 mA.
- What are the typical applications of the AD8047AR-REEL7?
Typical applications include photodetectors, active filters, log amplifiers, DAC I/V conversion, and video and baseband communications.
- What is the operating temperature range of the AD8047AR-REEL7?
The operating temperature range is -40°C to +85°C for the industrial version.
- What package type is the AD8047AR-REEL7 available in?
The AD8047AR-REEL7 is available in an 8-Lead SOIC package.
- What is the noise current of the AD8047AR-REEL7?
The noise current is 1.0 pA/√Hz.
- Is the AD8047AR-REEL7 stable at unity gain?
