Overview
The OP497FSZ is a precision quad operational amplifier produced by Analog Devices Inc. It is known for its exceptional precision, low power consumption, and extremely low input bias current. This quad op amp is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package, making it space-efficient and industry-standard. The OP497FSZ combines low offset voltage, low drift, and high open-loop gain, making it suitable for a wide range of applications requiring high precision and stability.
Key Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | ±2 V | ±20 V | V | ||
| Input Offset Voltage | VOS | 40 μV | 75 μV | 150 μV | μV | |
| Input Bias Current | IB | VCM = 0 V | 40 pA | 150 pA | 300 pA | pA |
| Open-Loop Gain | AOL | 2000 V/mV | V/mV | |||
| Common-Mode Rejection Ratio | CMRR | 114 dB | dB | |||
| Supply Current (per amplifier) | IS | 625 μA | μA | |||
| Operating Temperature | TA | -40°C | 85°C | °C | ||
| Slew Rate | SR | 0.15 V/μs | V/μs | |||
| Gain Bandwidth Product | GBP | 500 kHz | kHz |
Key Features
- Precision Performance: Very low offset voltage (< 50 μV) and low drift (< 0.5 μV/°C).
- Low Power Consumption: Low supply current (per amplifier): 625 μA maximum.
- Low Input Bias Current: Extremely low input bias current (40 pA to 300 pA).
- High Open-Loop Gain: Exceeds 2000 V/mV, ensuring high linearity in every application.
- High Common-Mode Rejection Ratio (CMRR): >114 dB, eliminating errors due to common-mode signals.
- Wide Supply Voltage Range: Operates from ±2 V to ±20 V supplies.
- High Slew Rate and Gain Bandwidth Product: 0.15 V/μs and 500 kHz, respectively.
Applications
- Strain Gage and Bridge Amplifiers: High precision and stability make it ideal for these applications.
- High Stability Thermocouple Amplifiers: Suitable for thermocouple applications requiring high stability and low drift.
- Instrumentation Amplifiers: Precision and low noise characteristics are beneficial for instrumentation applications.
- Photocurrent Monitors: Low input bias current is advantageous for photocurrent monitoring.
- High Gain Linearity Amplifiers: High open-loop gain ensures high linearity in high closed-loop gain applications.
- Long-term Integrators/Filters and Sample-and-Hold Amplifiers: Precision and stability are crucial for these applications.
- Peak Detectors and Logarithmic Amplifiers: High gain and low offset voltage are beneficial for these applications.
- Battery-Powered Systems: Low power consumption makes it suitable for battery-powered systems).
Q & A
- What is the typical input offset voltage of the OP497FSZ?
The typical input offset voltage is 75 μV, with a maximum of 150 μV).
- What is the input bias current range of the OP497FSZ?
The input bias current ranges from 40 pA to 300 pA).
- What is the open-loop gain of the OP497FSZ?
The open-loop gain exceeds 2000 V/mV).
- What is the common-mode rejection ratio (CMRR) of the OP497FSZ?
The CMRR is greater than 114 dB).
- What is the supply voltage range for the OP497FSZ?
The OP497FSZ operates from ±2 V to ±20 V supplies).
- What is the slew rate of the OP497FSZ?
The slew rate is 0.15 V/μs).
- What is the gain bandwidth product (GBP) of the OP497FSZ?
The GBP is 500 kHz).
- In what package is the OP497FSZ available?
The OP497FSZ is available in a 16-lead SOIC package).
- What are some typical applications of the OP497FSZ?
Typical applications include strain gage and bridge amplifiers, high stability thermocouple amplifiers, instrumentation amplifiers, and more).
- What is the operating temperature range of the OP497FSZ?
The operating temperature range is -40°C to 85°C).
