Overview
The AD8079AR-REEL, produced by Analog Devices Inc., is a dual, low-power, high-speed buffer amplifier designed to operate on ±5 V supplies. This component is ideal for applications requiring high-speed signal buffering with minimal external components. It features factory-set gains, low power consumption, and excellent video specifications, making it suitable for a variety of applications including professional video electronics, medical devices, and industrial automation.
Key Specifications
| Parameter | Value |
|---|---|
| Gain | AD8079A: +2.0, +1.0, -1.0; AD8079B: +2.2, +1, -1.2 |
| Bandwidth | 260 MHz, -3 dB |
| Slew Rate | 750 V/μs (2 V step), 800 V/μs (4 V step) |
| Settling Time | 40 ns to 0.1% (2 V step) |
| Output Current | 70 mA |
| Power Supply | ±3 V to ±6 V, single +12 V supply |
| Quiescent Current | 5 mA/amplifier (VS = ±5 V) |
| Temperature Range | -40°C to +85°C |
| Package | 8-pin SOIC |
Key Features
- Factory-set gains with tight control and gain matching (0.1%)
- Low power consumption of 50 mW per amplifier
- Excellent video specifications: 0.01% differential gain error, 0.02° differential phase error
- Low crosstalk of -70 dB at 5 MHz
- High output drive capability: over 70 mA, drives up to 8 back-terminated 75 Ω loads
- Low distortion: -65 dBc THD at 5 MHz
- Optimum dual pinout for simplified PCB layout
Applications
- Professional video electronics: cameras, video switchers
- Medical devices: diagnostic systems, signal processing
- Audio processing: sound systems, headphones, speakers
- Video equipment: TVs, monitors, projectors
- Industrial automation: industrial control equipment, measuring instruments, robots
- Laboratory and testing equipment: signal amplification, frequency conversion, noise control
Q & A
- What are the available gain settings for the AD8079AR-REEL? The AD8079A has gains of +2.0, +1.0, and -1.0, while the AD8079B has gains of +2.2, +1, and -1.2.
- What is the bandwidth of the AD8079AR-REEL? The bandwidth is 260 MHz, -3 dB.
- What is the slew rate of the AD8079AR-REEL? The slew rate is 750 V/μs (2 V step) and 800 V/μs (4 V step).
- How long does it take for the AD8079AR-REEL to settle to 0.1%? It takes 40 ns to settle to 0.1% (2 V step).
- What is the output current capability of the AD8079AR-REEL? The output current is over 70 mA.
- What power supply options are available for the AD8079AR-REEL? It can operate on ±3 V to ±6 V supplies or a single +12 V supply.
- What is the quiescent current of the AD8079AR-REEL? The quiescent current is 5 mA per amplifier (VS = ±5 V).
- What is the temperature range of the AD8079AR-REEL? The temperature range is -40°C to +85°C.
- In what package is the AD8079AR-REEL available? It is available in an 8-pin SOIC package.
- What are some typical applications of the AD8079AR-REEL? Typical applications include professional video electronics, medical devices, audio processing, video equipment, and industrial automation.
