Overview
The OP497FS-REEL, produced by Analog Devices Inc., is a precision quad operational amplifier known for its exceptional performance, low power consumption, and extremely low input bias current. This device is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package, making it ideal for space-saving designs. The OP497 combines high precision with low power, making it suitable for a wide range of applications that require accurate and reliable amplification.
Key Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input 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, TA = 25°C | 40 | 150 | 200 | pA |
| Input Offset Current | IOS | VCM = 0 V, TA = 25°C | 30 | 150 | 200 | pA |
| Common-Mode Rejection Ratio | CMRR | TA = 25°C, VS = ±15 V | - | - | 135 | dB |
| Supply Voltage | Vs | - | ±2 V | - | ±20 V | V |
| Operating Supply Current (per amplifier) | - | TA = 25°C, VS = ±15 V | - | - | 625 | μA |
| Package Type | - | - | - | - | 16-SOIC (0.295, 7.50mm Width) | - |
| Operating Temperature | - | - | -40°C | - | +85°C | °C |
Key Features
- Low Offset Voltage: Maximum of 75 μV, ensuring high precision in applications.
- Low Offset Voltage Drift: 1.0 μV/°C maximum, providing stability over temperature changes.
- Very Low Bias Current: 150 pA maximum at 25°C and 300 pA maximum over the -40°C to +85°C temperature range.
- High Open-Loop Gain: Minimum of 2000 V/mV, ensuring high linearity in every application.
- Low Supply Current: Maximum of 625 μA per amplifier, making it suitable for battery-powered systems.
- High Common-Mode Rejection Ratio (CMRR): Minimum of 135 dB, effectively eliminating common-mode signals and noise.
- Wide Supply Voltage Range: Operates from ±2 V to ±20 V, providing flexibility in various power supply configurations.
Applications
- Strain Gage and Bridge Amplifiers: Ideal for precision measurement in strain gage and bridge circuits.
- High Stability Thermocouple Amplifiers: Suitable for thermocouple applications requiring high stability and precision.
- Instrumentation Amplifiers: Used in various instrumentation applications where high precision and low noise are critical.
- Photocurrent Monitors: Applicable in photodiode preamplifier circuits due to its low bias current and high precision.
- High Gain Linearity Amplifiers: Ensures high linearity in applications requiring high gain amplification.
- Long-term Integrators/Filters: Suitable for long-term integration and filtering applications due to its low drift and high precision.
- Sample-and-Hold Amplifiers: Used in sample-and-hold circuits where precision and stability are essential.
- Peak Detectors and Logarithmic Amplifiers: Applicable in peak detection and logarithmic amplification due to its high precision and low noise.
- Battery-Powered Systems: Ideal for battery-powered systems due to its low power consumption.
Q & A
- What is the maximum input offset voltage of the OP497FS-REEL?
The maximum input offset voltage is 75 μV.
- What is the typical input bias current of the OP497FS-REEL?
The typical input bias current is 150 pA at 25°C.
- What is the common-mode rejection ratio (CMRR) of the OP497FS-REEL?
The CMRR is a minimum of 135 dB.
- What is the operating supply voltage range of the OP497FS-REEL?
The device operates from ±2 V to ±20 V.
- What is the maximum operating supply current per amplifier for the OP497FS-REEL?
The maximum operating supply current per amplifier is 625 μA.
- What are some common applications of the OP497FS-REEL?
Common applications include strain gage and bridge amplifiers, high stability thermocouple amplifiers, instrumentation amplifiers, photocurrent monitors, and battery-powered systems.
- What is the package type of the OP497FS-REEL?
The device is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package.
- What is the operating temperature range of the OP497FS-REEL?
The operating temperature range is -40°C to +85°C.
- How many channels does the OP497FS-REEL have?
The OP497FS-REEL is a quad operational amplifier, meaning it has four channels.
- What is the peak reflow temperature for the OP497FS-REEL during soldering?
The peak reflow temperature is 220°C.
