Overview
The AD8091ARZ is a high-speed, low-power operational amplifier (op-amp) produced by Analog Devices Inc. This voltage feedback amplifier is designed to offer excellent performance in a variety of applications, particularly where low power consumption and high speed are critical. The AD8091ARZ operates on a single supply voltage ranging from 3V to 12V or dual supplies up to ±6V, making it versatile for different system requirements. Its rail-to-rail output and low quiescent current make it ideal for portable and battery-powered devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Operating Supply Voltage | 3 to 12 V (single), ±1.5 to ±6 V (dual) | V |
| Quiescent Current per Amplifier | 4.2 to 5 mA | mA |
| Input Bias Current | 1.4 μA | μA |
| Input Offset Voltage | 1.8 mV | mV |
| Common-Mode Rejection Ratio (CMRR) | 72 to 88 dB | dB |
| Bandwidth (−3 dB Small Signal) | 70 to 110 MHz | MHz |
| Slew Rate | 100 to 145 V/μs | V/μs |
| Settling Time to 0.1% | 50 ns | ns |
| Output Current | 45 mA | mA |
| Operating Temperature Range | −40°C to +85°C | °C |
| Package | 8-SOIC (0.154, 3.90mm Width) |
Key Features
- Low Power Consumption: The AD8091ARZ has a low quiescent current, making it suitable for battery-powered and portable applications.
- High Speed: With a bandwidth of up to 110 MHz and a slew rate of up to 145 V/μs, this amplifier is ideal for high-speed applications.
- Rail-to-Rail Output: The amplifier provides rail-to-rail output, ensuring maximum signal swing and minimizing distortion.
- Wide Operating Supply Range: It can operate on single supplies from 3V to 12V or dual supplies up to ±6V, offering flexibility in system design.
- Low Input Bias Current: The low input bias current of 1.4 μA minimizes the impact on the input signal.
- High CMRR: A common-mode rejection ratio of up to 88 dB ensures good noise rejection and signal fidelity.
Applications
- Portable and Battery-Powered Devices: The low power consumption makes it ideal for devices where battery life is critical.
- High-Speed Data Acquisition: Its high bandwidth and fast slew rate make it suitable for high-speed data acquisition systems.
- Audio and Video Equipment: The rail-to-rail output and low distortion make it a good choice for audio and video applications.
- Medical Devices: The high CMRR and low noise characteristics are beneficial in medical devices that require precise signal processing.
- Industrial Control Systems: The wide operating temperature range and robust performance make it suitable for industrial control systems.
Q & A
- What is the operating supply voltage range of the AD8091ARZ?
The AD8091ARZ can operate on single supplies from 3V to 12V or dual supplies up to ±6V.
- What is the quiescent current of the AD8091ARZ?
The quiescent current per amplifier is typically between 4.2 mA and 5 mA.
- What is the bandwidth of the AD8091ARZ?
The bandwidth is up to 110 MHz for a gain of +1.
- What is the slew rate of the AD8091ARZ?
The slew rate is up to 145 V/μs.
- What is the common-mode rejection ratio (CMRR) of the AD8091ARZ?
The CMRR is up to 88 dB.
- What is the input offset voltage of the AD8091ARZ?
The input offset voltage is typically 1.8 mV.
- What is the output current capability of the AD8091ARZ?
The output current is up to 45 mA.
- What is the operating temperature range of the AD8091ARZ?
The operating temperature range is −40°C to +85°C.
- What package type is the AD8091ARZ available in?
The AD8091ARZ is available in an 8-SOIC package.
- What are some typical applications of the AD8091ARZ?
Typical applications include portable and battery-powered devices, high-speed data acquisition systems, audio and video equipment, medical devices, and industrial control systems.
