Overview
The OP497FPZ, 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 14-pin PDIP and is part of the industry-standard SOIC package family. The OP497FPZ combines high precision, low offset voltage, and low drift, making it ideal for a wide range of applications requiring 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: 75 μV maximum
- Low offset voltage drift: 1.0 μV/°C maximum
- Very low bias current: 150 pA maximum at 25°C and 300 pA maximum over −40°C to +85°C
- Very high open-loop gain: 2000 V/mV minimum
- Low supply current (per amplifier): 625 μA maximum
- High common-mode rejection ratio: 114 dB minimum
- Operates from ±2 V to ±20 V supplies
Applications
- Strain gage and bridge amplifiers
- High stability thermocouple amplifiers
- Instrumentation amplifiers
- Photocurrent monitors
- High gain linearity amplifiers
- Long-term integrators/filters
- Sample-and-hold amplifiers
- Peak detectors
- Logarithmic amplifiers
- Battery-powered systems
Q & A
- What is the maximum offset voltage of the OP497FPZ?
The maximum offset voltage of the OP497FPZ is 75 μV at 25°C and up to 150 μV over the temperature range of −40°C to +85°C. - What is the typical input bias current of the OP497FPZ?
The typical input bias current is 150 pA at 25°C and up to 300 pA over the temperature range of −40°C to +85°C. - What is the open-loop gain of the OP497FPZ?
The open-loop gain of the OP497FPZ is a minimum of 2000 V/mV. - What is the supply current per amplifier for the OP497FPZ?
The supply current per amplifier is a maximum of 625 μA. - What is the common-mode rejection ratio of the OP497FPZ?
The common-mode rejection ratio is a minimum of 114 dB. - What are the typical operating supply voltages for the OP497FPZ?
The OP497FPZ operates from ±2 V to ±20 V supplies. - What are some common applications of the OP497FPZ?
The OP497FPZ is commonly used in strain gage and bridge amplifiers, thermocouple amplifiers, instrumentation amplifiers, photocurrent monitors, and other high-precision applications. - What package types are available for the OP497FPZ?
The OP497FPZ is available in a 14-pin PDIP package. - Is the OP497FPZ suitable for battery-powered systems?
Yes, the OP497FPZ is suitable for battery-powered systems due to its low power consumption. - What is the temperature range for the OP497FPZ?
The OP497FPZ operates over a temperature range of −40°C to +85°C.
