Overview
The OP491GSZ-REEL is a quad micropower operational amplifier produced by Analog Devices Inc. It is part of the OPx91 family, which includes single, dual, and quad configurations. This amplifier is designed for single-supply operation, featuring rail-to-rail inputs and outputs, and is fabricated on Analog Devices' CBCMOS process. The OP491GSZ-REEL is known for its low power consumption, wide bandwidth, and robust performance characteristics, making it suitable for a variety of applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage Range | 2.7 V to 12 V | - |
| Supply Current per Amplifier | 200 μA to 350 μA | VO = 0 V, -40°C ≤ TA ≤ +125°C |
| Bandwidth | 3 MHz | - |
| Slew Rate | 0.5 V/μs | RL = 10 kΩ |
| Offset Voltage | 700 μV | - |
| Power Supply Rejection Ratio (PSRR) | 80 dB to 110 dB | VS = 2.7 V to 12 V, -40°C ≤ TA ≤ +125°C |
| Short-Circuit Limit | ±8.75 mA to ±13.50 mA | -40°C to +125°C |
| Gain Bandwidth Product (GBP) | 3 MHz | - |
| 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 swing
- 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: 42 nV/√Hz voltage noise density at 1 kHz
Applications
The OP491GSZ-REEL is versatile and can be used in various applications, including:
- Portable telecommunications equipment
- Power supply control and protection
- Industrial control systems
- Medical devices
- Automotive electronics
Q & A
- What is the supply voltage range for the OP491GSZ-REEL?
The supply voltage range is from 2.7 V to 12 V. - What is the typical supply current per amplifier?
The typical supply current per amplifier is between 200 μA and 350 μA. - What is the bandwidth of the OP491GSZ-REEL?
The bandwidth is 3 MHz. - What is the slew rate of the OP491GSZ-REEL?
The slew rate is 0.5 V/μs. - Does the OP491GSZ-REEL have rail-to-rail input and output capability?
Yes, it features rail-to-rail input and output swing. - What is the offset voltage of the OP491GSZ-REEL?
The offset voltage is 700 μV. - What is the power supply rejection ratio (PSRR) of the OP491GSZ-REEL?
The PSRR is between 80 dB and 110 dB. - What are some common applications for the OP491GSZ-REEL?
Common applications include portable telecommunications equipment, power supply control and protection, industrial control systems, medical devices, and automotive electronics. - What is the package type of the OP491GSZ-REEL?
The package type is a 14-pin SOIC. - What is the operating temperature range for the OP491GSZ-REEL?
The operating temperature range is from -40°C to +125°C.
