Overview
The OP497GSZ-REEL, produced by Analog Devices Inc., is a quad operational amplifier (op amp) known for its precision performance and low power consumption. It is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package, which is industry standard and space-saving. This quad op amp combines exceptional precision with very low input bias current, making it highly suitable for a wide range of applications that require high accuracy and stability.
Key Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | TA = 25°C, VS = ±15 V | 40 | 75 | 80 | μV |
| Average Input Offset Voltage Drift | TCVOS | TMIN − TMAX | 0.4 | 1.0 | 1.5 | μV/°C |
| Input Bias Current | IB | VCM = 0 V, −40°C ≤ TA ≤ +85°C | 60 | 150 | 200 | pA |
| Open-Loop Gain | TA = 25°C, VS = ±15 V | 2000 | V/mV | |||
| Supply Current (per amplifier) | TA = 25°C, VS = ±15 V | 625 | μA | |||
| Common-Mode Rejection Ratio | TA = 25°C, VS = ±15 V | 114 | dB |
Key Features
- Low Offset Voltage: Maximum of 75 μV at 25°C and 150 μV over the temperature range of −40°C to +85°C.
- Low Offset Voltage Drift: 1.0 μV/°C maximum, ensuring high stability over temperature changes.
- Very Low Bias Current: 150 pA maximum at 25°C and 300 pA maximum over the temperature range of −40°C to +85°C.
- High Open-Loop Gain: Minimum of 2000 V/mV, providing high linearity in applications.
- Low Supply Current: Maximum of 625 μA per amplifier, making it suitable for battery-powered systems.
- High Common-Mode Rejection Ratio (CMRR): Minimum of 114 dB, reducing errors due to common-mode signals).
- Wide Supply Voltage Range: Operates from ±2 V to ±20 V supplies).
Applications
- Strain Gage and Bridge Amplifiers: High precision and stability make it ideal for these applications).
- High Stability Thermocouple Amplifiers: Suitable for thermocouple applications due to its low drift and high stability).
- Instrumentation Amplifiers: Used in various instrumentation applications requiring high precision and low noise, ).
- Photocurrent Monitors: Ideal for photodiode preamplifiers due to its low bias current and high gain, ).
- High Gain Linearity Amplifiers: Ensures very high accuracy in high closed-loop gain applications).
- Long-term Integrators/Filters: Suitable for applications requiring long-term stability and precision, ).
- Sample-and-Hold Amplifiers, Peak Detectors, and Logarithmic Amplifiers: High precision and stability make it versatile for these applications).
- Battery-Powered Systems: Low power consumption makes it suitable for battery-powered systems).
Q & A
- What is the maximum offset voltage of the OP497 at 25°C?
The maximum offset voltage of the OP497 at 25°C is 75 μV).
- What is the typical input bias current of the OP497?
The typical input bias current of the OP497 is 150 pA at 25°C).
- What is the minimum open-loop gain of the OP497?
The minimum open-loop gain of the OP497 is 2000 V/mV).
- What is the common-mode rejection ratio (CMRR) of the OP497?
The CMRR of the OP497 is a minimum of 114 dB).
- What is the operating supply voltage range of the OP497?
The OP497 operates from ±2 V to ±20 V supplies).
- What are some common applications of the OP497?
The OP497 is commonly used in strain gage and bridge amplifiers, thermocouple amplifiers, instrumentation amplifiers, and other precision applications, ).
- What is the package type of the OP497GSZ-REEL?
The OP497GSZ-REEL is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package, ).
- Is the OP497 suitable for battery-powered systems?
Yes, the OP497 is suitable for battery-powered systems due to its low power consumption).
- What is the average input offset voltage drift of the OP497?
The average input offset voltage drift of the OP497 is 1.0 μV/°C maximum).
- What is the long-term input offset voltage stability of the OP497?
The long-term input offset voltage stability of the OP497 is 0.1 μV/month).
