Overview
The OP497FP, 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 an industry standard. This quad op amp combines exceptional precision with extremely low input bias current, making it highly suitable for a wide range of applications. The OP497FP operates from supply voltages as low as ±2 V to ±20 V, making it versatile for various power supply conditions.
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 | 0.6 | μV/°C |
| Input Bias Current | IB | VCM = 0 V, TA = 25°C | 40 | 150 | 200 | pA |
| Open-Loop Gain | VS = ±15 V, TA = 25°C | 2000 | V/mV | |||
| Supply Current (per Amplifier) | VS = ±15 V, TA = 25°C | 625 | μA | |||
| Common-Mode Rejection | VS = ±15 V, TA = 25°C | 114 | dB | |||
| Power Supply Rejection | VS = ±15 V, TA = 25°C | 120 | dB |
Key Features
- Very low offset voltage: less than 50 μV and low drift: less than 0.5 μV/°C.
- Extremely low input bias current: under 100 pA at 25°C and under 450 pA over the military temperature range.
- High open-loop gain: exceeds 2000 V/mV, ensuring high linearity in applications.
- High common-mode rejection: over 120 dB, and high power supply rejection: over 120 dB.
- Low supply current: under 625 μA per amplifier, and operates from ±2 V to ±20 V supplies.
- Superbeta input stage with bias current cancellation to maintain low bias currents at all temperatures.
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 typical offset voltage of the OP497FP?
The typical offset voltage of the OP497FP is 75 μV. - What is the input bias current of the OP497FP at 25°C?
The input bias current of the OP497FP at 25°C is under 100 pA. - What is the open-loop gain of the OP497FP?
The open-loop gain of the OP497FP exceeds 2000 V/mV. - What is the common-mode rejection ratio (CMRR) of the OP497FP?
The CMRR of the OP497FP is over 120 dB. - What is the power supply rejection ratio (PSRR) of the OP497FP?
The PSRR of the OP497FP is over 120 dB. - What are the operating supply voltage ranges for the OP497FP?
The OP497FP operates from ±2 V to ±20 V supplies. - What is the typical supply current per amplifier for the OP497FP?
The typical supply current per amplifier for the OP497FP is under 625 μA. - What types of applications is the OP497FP suitable for?
The OP497FP is suitable for 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, and battery-powered systems. - What package types are available for the OP497FP?
The OP497FP is available in a 16-lead SOIC package. - What is the temperature range for the OP497FP?
The OP497FP operates over a temperature range of −40°C to +85°C.
