Overview
The OP497GPZ is a quad operational amplifier (op amp) produced by Analog Devices Inc. It is known for its precision performance, 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 suitable for a wide range of applications. The OP497GPZ combines exceptional precision with low power and low input bias current, making it ideal for various precision and low-power applications.
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 | 150 | 200 | pA |
| Average Input Bias Current Drift | TCIB | −40° ≤ TA ≤ +85°C | 0.3 | 0.3 | pA/°C | |
| Open-Loop Gain | TA = 25°C, VS = ±15 V | 2000 | V/mV | |||
| Supply Current (per amplifier) | ISY | VO = 0 V | 625 | μA | ||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to ±14.9 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
- High open-loop gain: 2000 V/mV minimum
- Low supply current: 625 μA maximum per amplifier
- High common-mode rejection: 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 OP497GPZ? The maximum offset voltage is 75 μV at 25°C.
- What is the typical input bias current of the OP497GPZ? The typical input bias current is 150 pA at 25°C.
- What is the open-loop gain of the OP497GPZ? The open-loop gain is 2000 V/mV minimum.
- What is the common-mode rejection ratio (CMRR) of the OP497GPZ? The CMRR is 114 dB minimum.
- What is the supply voltage range for the OP497GPZ? The OP497GPZ operates from ±2 V to ±20 V supplies.
- What are some typical applications of the OP497GPZ? Typical applications include strain gage and bridge amplifiers, thermocouple amplifiers, instrumentation amplifiers, and battery-powered systems.
- What is the package type of the OP497GPZ? The OP497GPZ is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package.
- What is the maximum supply current per amplifier for the OP497GPZ? The maximum supply current per amplifier is 625 μA.
- Is the OP497GPZ suitable for high precision applications? Yes, the OP497GPZ is known for its precision performance, making it suitable for high precision applications.
- Is the OP497GPZ RoHS compliant? Yes, the OP497GPZ is RoHS compliant.
