Overview
The OP4177ARU-REEL, produced by Analog Devices Inc., is part of the OPx177 series, which represents the fourth generation of the industry-standard OP07 amplifier family. This high precision, low noise operational amplifier is distinguished by its extremely low offset voltage and very low input bias currents. It is designed to offer superior performance over its predecessors, such as the OP07, OP77, and OP177, with improvements in noise, input and output voltage range, and power consumption. The OP4177 is available in a compact MSOP 8-lead package, making it suitable for applications where space is limited and high performance is required.
Key Specifications
| Parameter | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 15 | 75 | 75 | μV |
| Offset Voltage (−40°C < TA < +125°C) | VOS | 25 | - | 120 | μV |
| Input Bias Current | IB | −2 | 0.5 | 2 | nA |
| Input Offset Current | IOS | −1 | 0.2 | 1 | nA |
| Input Voltage Range | - | -3.5 | - | 3.5 | V |
| Common-Mode Rejection Ratio | CMRR | 118 | - | 125 | dB |
| Large Signal Voltage Gain | AVO | 1000 | - | 3000 | V/mV |
| Offset Voltage Drift | ΔVOS/ΔT | 0.3 | - | 0.9 | μV/°C |
| Output Voltage High | VOH | - | - | 4.1 | V |
| Output Voltage Low | VOL | -4.1 | - | -4 | V |
| Output Current | IOUT | - | - | ±10 | mA |
| Power Supply Rejection Ratio | PSRR | 114 | - | 120 | dB |
| Supply Current per Amplifier | ISY | 500 | - | 600 | μA |
| Slew Rate | SR | - | - | 0.7 | V/μs |
| Gain Bandwidth Product | GBP | - | - | 1.3 | MHz |
| Voltage Noise Density | en | - | - | 7.9-8.5 | nV/√Hz |
Key Features
- High Precision: Extremely low offset voltage and drift, ensuring high accuracy in applications.
- Low Noise: Low voltage noise density and peak-to-peak noise, making it suitable for sensitive signal processing.
- Low Input Bias Current: Very low input bias and offset currents, which are relatively insensitive to ambient temperatures.
- Wide Input and Output Voltage Range: Capable of operating with input and output voltages ranging from -3.5V to +3.5V.
- High Common-Mode Rejection Ratio (CMRR): High CMRR of 118-125 dB, ensuring good rejection of common-mode signals.
- Low Power Consumption: Reduced power consumption compared to previous models, with a supply current of 500-600 μA per amplifier.
- Compact Packaging: Available in MSOP 8-lead packages, suitable for space-constrained applications.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to +125°C, making it versatile for various environments.
Applications
- Precision Instrumentation: Ideal for applications requiring high precision and low noise, such as in medical devices, test and measurement equipment, and scientific instruments.
- Industrial Automation: Suitable for control systems, sensors, and other industrial automation applications where accuracy and reliability are crucial.
- Aerospace and Defense: Used in various military and aerospace applications due to its high reliability and performance over a wide temperature range.
- Audio and Video Equipment: Can be used in audio and video processing circuits where low noise and high fidelity are required.
- Medical Devices: Applicable in medical devices such as ECGs, EEGs, and other diagnostic equipment that demand high precision and low noise.
Q & A
- What is the typical offset voltage of the OP4177ARU?
The typical offset voltage of the OP4177ARU is 75 μV.
- What is the input bias current range of the OP4177ARU?
The input bias current range is -2 nA to +2 nA.
- What is the common-mode rejection ratio (CMRR) of the OP4177ARU?
The CMRR is 118 dB to 125 dB.
- What is the slew rate of the OP4177ARU?
The slew rate is 0.7 V/μs.
- What is the gain bandwidth product (GBP) of the OP4177ARU?
The GBP is 1.3 MHz.
- What is the operating temperature range of the OP4177ARU?
The operating temperature range is -40°C to +125°C.
- What is the supply current per amplifier for the OP4177ARU?
The supply current per amplifier is 500 μA to 600 μA.
- What are the typical applications of the OP4177ARU?
Typical applications include precision instrumentation, industrial automation, aerospace and defense, audio and video equipment, and medical devices.
- What is the packaging of the OP4177ARU?
The OP4177ARU is available in MSOP 8-lead packages.
- How does the OP4177ARU compare to its predecessors in terms of performance?
The OP4177ARU offers superior performance with lower noise, lower input bias currents, wider input and output voltage range, and reduced power consumption compared to its predecessors like the OP07, OP77, and OP177.
