Overview
The OP470GPZ is a high-performance monolithic quad operational amplifier produced by Analog Devices Inc. It is renowned for its exceptionally low voltage noise, making it suitable for a wide range of precision applications. The OP470GPZ offers performance comparable to the industry-standard OP27 but with several key enhancements, including lower power consumption and improved noise characteristics.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 0.1 | 0.4 | 1.0 | mV | |
| Input Offset Current | IOS | VCM = 0 V | 3 | 10 | 30 | nA |
| Input Bias Current | IB | VCM = 0 V | 6 | 25 | 60 | nA |
| Input Noise Voltage Density | en | f = 1 kHz | 5 | nV/√Hz | ||
| Gain-Bandwidth Product | GBW | 6 | MHz | |||
| Slew Rate | Sr | 2 | V/μs | |||
| Common Mode Rejection Ratio | CMRR | 110 | dB |
Key Features
- Very Low Noise: 5 nV/√Hz at 1 kHz max, making it ideal for precision and low-noise applications.
- Excellent Input Offset Voltage: Below 0.4 mV, which is excellent for a quad op amp.
- Low Offset Voltage Drift: Under 2 μV/°C, guaranteed over the full military temperature range.
- High Gain: Open loop gain of over 1,000,000 into a 10 kΩ load, ensuring excellent gain accuracy and linearity.
- High CMRR and PSRR: CMRR of over 110 dB and PSRR of less than 1.8 mV/V, significantly reducing errors due to ground noise and power supply fluctuations.
- Low Power Consumption: Half the power consumption of four OP27s, making it suitable for power-conscious applications.
- Unity-Gain Stable: With a gain-bandwidth product of 6 MHz and a slew rate of 2 V/μs.
Applications
- Precision Instrumentation: Due to its low noise and high accuracy, it is ideal for precision measurement instruments.
- Medical Equipment: Suitable for medical devices requiring low noise and high precision.
- Aerospace and Defense: Its performance over the full military temperature range makes it suitable for military and aerospace applications.
- Audio Equipment: The low noise characteristics make it a good choice for high-quality audio amplification.
- Industrial Control Systems: Used in control systems where high precision and low noise are critical.
Q & A
- What is the input noise voltage density of the OP470GPZ?
The input noise voltage density of the OP470GPZ is 5 nV/√Hz at 1 kHz max.
- What is the typical slew rate of the OP470GPZ?
The typical slew rate of the OP470GPZ is 2 V/μs.
- What is the common mode rejection ratio (CMRR) of the OP470GPZ?
The CMRR of the OP470GPZ is over 110 dB.
- What is the input offset voltage of the OP470GPZ?
The input offset voltage of the OP470GPZ is below 0.4 mV.
- What is the gain-bandwidth product of the OP470GPZ?
The gain-bandwidth product of the OP470GPZ is 6 MHz.
- Is the OP470GPZ unity-gain stable?
Yes, the OP470GPZ is unity-gain stable.
- What are the typical operating temperatures for the OP470GPZ?
The OP470GPZ operates over the full military temperature range.
- How does the power consumption of the OP470GPZ compare to four OP27s?
The power consumption of the OP470GPZ is half that of four OP27s.
- What are some common applications of the OP470GPZ?
The OP470GPZ is commonly used in precision instrumentation, medical equipment, aerospace and defense, audio equipment, and industrial control systems.
- What package options are available for the OP470GPZ?
The OP470GPZ is available in 14-lead hermetic DIP and 14-lead plastic DIP packages.
