Overview
The OP491GRUZ-REEL, produced by Analog Devices Inc., is a quad micropower, single-supply operational amplifier featuring rail-to-rail inputs and outputs. This amplifier is part of the OPx91 family, which includes single, dual, and quad configurations. It is designed for low power consumption and high performance, making it suitable for a variety of applications requiring precision and reliability.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage Range | 2.7 V to 12 V | |
| Bandwidth | 3 MHz | |
| Slew Rate | 0.5 V/μs | RL = 10 kΩ |
| Offset Voltage | 700 μV | |
| Supply Current per Amplifier | 200 μA to 350 μA | VO = 0 V, -40°C to +125°C |
| Power Supply Rejection Ratio (PSRR) | 80 dB to 110 dB | VS = 2.7 V to 12 V, -40°C to +125°C |
| Full-Power Bandwidth | 1.2 kHz | 1% distortion |
| Settling Time | 22 μs | To 0.01% |
| Gain Bandwidth Product (GBP) | 3 MHz | |
| Phase Margin | 45 Degrees | |
| Voltage Noise Density | 42 nV/√Hz | f = 1 kHz |
| Current Noise Density | 0.8 pA/√Hz |
Key Features
- Single-supply operation: 2.7 V to 12 V
- Rail-to-rail input and output
- Low supply current: 200 μA to 350 μA per amplifier
- Wide bandwidth: 3 MHz
- Low offset voltage: 700 μV
- No phase reversal
- High power supply rejection ratio (PSRR): 80 dB to 110 dB
- Low noise performance
Applications
The OP491GRUZ-REEL is suitable for various applications, including:
- Portable telecommunications equipment
- Power supply control and protection
- Medical devices requiring low power and high precision
- Automotive systems where low power consumption is critical
- Industrial control systems needing reliable and precise amplification
Q & A
- What is the supply voltage range of the OP491GRUZ-REEL? The supply voltage range is from 2.7 V to 12 V.
- What is the bandwidth of the OP491GRUZ-REEL? The bandwidth is 3 MHz.
- What is the slew rate of the OP491GRUZ-REEL? The slew rate is 0.5 V/μs.
- What is the typical offset voltage of the OP491GRUZ-REEL? The typical offset voltage is 700 μV.
- How much current does the OP491GRUZ-REEL typically consume per amplifier? The supply current per amplifier is typically between 200 μA and 350 μA.
- What is the power supply rejection ratio (PSRR) of the OP491GRUZ-REEL? The PSRR is between 80 dB and 110 dB.
- What is the full-power bandwidth of the OP491GRUZ-REEL? The full-power bandwidth is 1.2 kHz at 1% distortion.
- How long does it take for the OP491GRUZ-REEL to settle to 0.01%? The settling time to 0.01% is 22 μs.
- What is the gain bandwidth product (GBP) of the OP491GRUZ-REEL? The GBP is 3 MHz.
- What are some common applications of the OP491GRUZ-REEL? Common applications include portable telecommunications equipment, power supply control and protection, medical devices, automotive systems, and industrial control systems.
