Overview
The AD8091AR-REEL7, produced by Analog Devices Inc., is a low-cost, high-speed, voltage feedback operational amplifier. This single-channel amplifier is part of the AD8091 and AD8092 series, which are designed to operate on a variety of power supplies including +3 V, +5 V, or ±5 V. The AD8091 is known for its true single-supply capability, with an input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail. This makes it highly versatile and suitable for a wide range of applications, particularly in video electronics and high-speed portable equipment.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | −40 | +85 | °C | |
| Power Supply Operating Range | 3 | 12 | V | |
| Quiescent Current per Amplifier | 4.2 | 4.8 | 5.5 | mA |
| −3 dB Bandwidth (G = +1) | 70 | 110 | MHz | |
| Slew Rate (G = +1) | 100 | 145 | V/μs | |
| Settling Time to 0.1% | 50 | ns | ||
| Input Offset Voltage | 1.8 | 11 | 27 | mV |
| Input Bias Current | 1.4 | 2.6 | 3.5 | μA |
| Output Voltage Swing (RL = 10 kΩ) | −4.98 | +4.98 | V | |
| Output Current (VOUT = 0.5 V to 4.5 V) | 45 | mA | ||
| Capacitive Load Drive (G = +1) | 50 | pF |
Key Features
- High-Speed Performance: The AD8091 features a −3 dB bandwidth of 110 MHz and a slew rate of 145 V/μs, making it suitable for high-speed applications.
- Low Distortion: It offers low distortion with a total harmonic distortion of −80 dBc at 1 MHz, and excellent video specifications including 0.03% differential gain and phase errors.
- True Single-Supply Capability: The amplifier can operate with an input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail, enhancing its versatility.
- Low Power Consumption: With a quiescent current of 4.4 mA per amplifier, it is ideal for battery-powered and portable applications.
- Outstanding Load Drive Capability: It can drive 45 mA of output current and handle capacitive loads up to 50 pF, making it suitable for a variety of load conditions.
Applications
- Video Electronics: Suitable for cameras, video switchers, and other high-speed video applications due to its good video specifications and low distortion.
- Active Filters: Ideal for active filter applications due to its fast settling time and low distortion.
- Coaxial Cable Drivers: Used in coaxial cable driver applications requiring high-speed and low distortion.
- CCD Imaging Systems: Used in CCD imaging systems and professional cameras where high-speed and low noise are critical.
- CD/DVD Systems: Suitable for CD/DVD systems and other high-speed digital applications.
Q & A
- What is the operating temperature range of the AD8091AR-REEL7?
The operating temperature range is −40°C to +85°C.
- What are the power supply options for the AD8091AR-REEL7?
The AD8091AR-REEL7 can operate on +3 V, +5 V, or ±5 V supplies.
- What is the typical quiescent current per amplifier for the AD8091AR-REEL7?
The typical quiescent current per amplifier is 4.8 mA.
- What is the −3 dB bandwidth of the AD8091AR-REEL7 at a gain of +1?
The −3 dB bandwidth is 110 MHz at a gain of +1.
- What is the slew rate of the AD8091AR-REEL7?
The slew rate is 145 V/μs.
- What is the settling time to 0.1% for the AD8091AR-REEL7?
The settling time to 0.1% is 50 ns.
- What is the input offset voltage range for the AD8091AR-REEL7?
The input offset voltage range is 1.8 mV to 27 mV.
- What is the output current capability of the AD8091AR-REEL7?
The AD8091AR-REEL7 can drive up to 45 mA of output current.
- What is the capacitive load drive capability of the AD8091AR-REEL7?
The AD8091AR-REEL7 can drive a capacitive load of up to 50 pF at a gain of +1.
- In what types of applications is the AD8091AR-REEL7 commonly used?
The AD8091AR-REEL7 is commonly used in video electronics, active filters, coaxial cable drivers, CCD imaging systems, and CD/DVD systems.
