Overview
The OP27GS is a high-performance operational amplifier (op-amp) designed and manufactured by Analog Devices Inc. It is packaged in a small outline package (SOIC-8) and is suitable for general-purpose applications. This op-amp features a wide bandwidth of 7 MHz, low input bias current, and a high common-mode rejection ratio, making it ideal for various electronic systems. The OP27GS is known for its low noise, high accuracy, and fast response, which are crucial in precision instrumentation, medical devices, audio applications, and industrial control systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | OP27GS | |
| Package Type | SOIC-8 | |
| Number of Channels | 1 Channel | |
| Maximum Dual Supply Voltage | ±22 V | V |
| Gain Bandwidth Product (GBP) | 8 MHz | Hz |
| Input Offset Voltage (VOS) | 10 - 30 µV | µV |
| Input Bias Current (IB) | ±10 - ±80 nA | nA |
| Input Noise Voltage (en) | 3.5 - 5.5 nV/√Hz at 10 Hz | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | 126 dB at VCM of ±11 V | dB |
| Operating Temperature | -40°C to 85°C | °C |
| Power Dissipation | 471 mW | mW |
Key Features
- High gain bandwidth product of 8 MHz, ensuring high-speed performance in data acquisition systems and other applications.
- Low input bias current of ±10 nA to ±80 nA, achieved through a bias-current-cancellation circuit.
- Low input offset voltage down to 10 µV and low drift of 0.2 µV/°C, making it suitable for precision instrumentation.
- High common-mode rejection ratio of 126 dB at VCM of ±11 V, ensuring robust performance in noisy environments.
- Low noise characteristics with an input noise voltage of 3.5 nV/√Hz at 10 Hz, ideal for low-level signal amplification.
- Compact SOIC-8 package, suitable for space-constrained and portable devices.
Applications
- Instrumentation and measurement equipment, where high precision and low noise are critical.
- Medical devices, such as patient monitoring systems and diagnostic equipment.
- Audio applications, including headphone amplifiers and professional audio circuits like tape heads and microphone preamplifiers.
- Industrial control systems, where reliable and accurate signal processing is essential.
- Data acquisition systems, benefiting from its high gain bandwidth product and low noise characteristics.
Q & A
- What is the OP27GS operational amplifier used for?
The OP27GS is used for general-purpose applications, including instrumentation, medical devices, audio applications, and industrial control systems due to its high precision, low noise, and fast response.
- What is the package type of the OP27GS?
The OP27GS is packaged in a Small Outline Package (SOIC-8).
- What is the gain bandwidth product of the OP27GS?
The gain bandwidth product of the OP27GS is 8 MHz.
- What are the key noise characteristics of the OP27GS?
The OP27GS has an input noise voltage of 3.5 nV/√Hz at 10 Hz and a low 1/f noise corner frequency of 2.7 Hz.
- What is the operating temperature range of the OP27GS?
The operating temperature range of the OP27GS is -40°C to 85°C.
- What is the maximum dual supply voltage for the OP27GS?
The maximum dual supply voltage for the OP27GS is ±22 V).
- What are some equivalent products to the OP27GS?
Equivalent products include the OP27, OP-27, LM827, and TL07X (TL072, TL074)).
- What is the input bias current of the OP27GS?
The input bias current of the OP27GS is ±10 nA to ±80 nA).
- What is the common-mode rejection ratio of the OP27GS?
The common-mode rejection ratio of the OP27GS is 126 dB at VCM of ±11 V).
- How does the OP27GS handle long-term drift?
The OP27GS has a long-term drift of 0.2 µV/month, ensuring stable performance over time).
