Overview
The AD8031AR-REEL, produced by Analog Devices Inc., is a single-supply, voltage feedback amplifier known for its high-speed performance and rail-to-rail input and output capabilities. This amplifier is part of the AD8031 series, which includes the AD8031 (single) and AD8032 (dual) models. It is designed to operate with low power consumption while maintaining high dynamic performance, making it ideal for battery-operated systems and high-component-density applications.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage | -5.5 | 12.6 | V | |
| Quiescent Current per Amplifier | 800 | 900 | 1600 | μA |
| Bandwidth (G = +1) | 80 | MHz | ||
| Slew Rate | 30 | V/μs | ||
| Settling Time to 0.1% | 125 | ns | ||
| Output Current | 15 | mA | ||
| Input Common-Mode Voltage Range | -0.5 | Vs + 0.5 | V | |
| Output Voltage Swing (RL = 1 kΩ) | -4.7 | +4.7 | V | |
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- Low power consumption: 800 μA per amplifier.
- High speed performance: 80 MHz small signal bandwidth, 30 V/μs slew rate, and 125 ns settling time to 0.1%.
- Rail-to-rail input and output: Input voltage range extends 0.5 V beyond each rail, and output voltage swings to within 20 mV of each rail.
- Low distortion: Total Harmonic Distortion (THD) of -62 dBc at 1 MHz and -86 dBc at 100 kHz.
- High output current: 15 mA, with short-circuit current sourcing up to 35 mA and sinking up to -50 mA.
- Wide operating temperature range: -40°C to +85°C.
- Compact packaging: Available in 8-SOIC, 8-MSOP, and 5-SOT-23 packages.
Applications
- High speed, battery-operated systems: Ideal for systems requiring high dynamic performance and low power consumption.
- High component density systems: Suitable for applications where space is limited and high performance is required.
- Portable test instruments: Used in handheld and portable measurement equipment.
- A/D buffers: Excellent as buffers to single-supply ADCs due to low distortion and fast settling time.
- Active filters: Utilized in high-speed filter applications.
- Laboratory and testing equipment: For signal amplification, frequency conversion, and noise control.
- Medical field: In medical devices and diagnostic systems for signal processing and enhancement.
- Audio processing: In sound systems, headphones, and speakers to enhance volume and clarity.
- Video equipment: In TVs, monitors, and projectors to enhance video signals.
- Industrial automation: In industrial control equipment, measuring instruments, and robots).
Q & A
- What is the typical quiescent current of the AD8031AR-REEL?
The typical quiescent current is 900 μA per amplifier.
- What is the bandwidth of the AD8031AR-REEL at a gain of +1?
The bandwidth is 80 MHz at a gain of +1).
- What is the slew rate of the AD8031AR-REEL?
The slew rate is 30 V/μs).
- What is the settling time to 0.1% for the AD8031AR-REEL?
The settling time to 0.1% is 125 ns).
- What is the maximum output current of the AD8031AR-REEL?
The maximum output current is 15 mA).
- What is the input common-mode voltage range of the AD8031AR-REEL?
The input common-mode voltage range extends 0.5 V beyond each supply rail).
- What are the typical operating temperatures for the AD8031AR-REEL?
The operating temperature range is -40°C to +85°C).
- In what packages is the AD8031AR-REEL available?
It is available in 8-SOIC, 8-MSOP, and 5-SOT-23 packages).
- What are some common applications of the AD8031AR-REEL?
Common applications include high-speed battery-operated systems, portable test instruments, A/D buffers, active filters, and various industrial and medical devices).
- How does the AD8031AR-REEL handle distortion?
The AD8031AR-REEL has low distortion, with Total Harmonic Distortion (THD) of -62 dBc at 1 MHz and -86 dBc at 100 kHz).
