Overview
The Texas Instruments OPA27GU/2K5 is an ultra-low noise, high-precision monolithic operational amplifier. It is designed to offer exceptional performance in terms of noise, offset, and drift. The OPA27GU/2K5 is internally compensated for unity-gain stability and features laser-trimmed thin-film resistors for excellent long-term voltage offset stability. This amplifier is an improved replacement for industry-standard OP-27 and OP-37 models, making it a reliable choice for various precision applications.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOIC (D) with 8 pins |
| Operating Temperature Range | -40°C to 85°C |
| Noise | 4.5 nV/√Hz max at 1 kHz |
| Offset Voltage | 100 µV max |
| Offset Drift | 0.4 µV/°C |
| Open-Loop Gain | 117 dB min |
| Common-Mode Rejection Ratio | 100 dB min |
| Power-Supply Rejection Ratio | 94 dB min |
| Supply Voltage | ±8 to ±44 VDC |
Key Features
- Ultra-low noise: 4.5 nV/√Hz max at 1 kHz
- Low offset voltage: 100 µV max
- Low offset drift: 0.4 µV/°C
- High open-loop gain: 117 dB min
- High common-mode rejection ratio: 100 dB min
- High power-supply rejection ratio: 94 dB min
- Fits OP-07, OP-05, AD510, and AD517 sockets
- Unique bias current cancellation circuit for stable performance over the full temperature range
Applications
- Precision instrumentation
- Data acquisition
- Test equipment
- Professional audio equipment
- Transducer amplifiers
- Radiation hard equipment
Q & A
- What is the noise level of the OPA27GU/2K5? The noise level is 4.5 nV/√Hz max at 1 kHz.
- What is the maximum offset voltage of the OPA27GU/2K5? The maximum offset voltage is 100 µV.
- What is the operating temperature range of the OPA27GU/2K5? The operating temperature range is -40°C to 85°C.
- What is the open-loop gain of the OPA27GU/2K5? The open-loop gain is 117 dB min.
- Is the OPA27GU/2K5 internally compensated for unity-gain stability? Yes, the OPA27GU/2K5 is internally compensated for unity-gain stability.
- What are some of the key applications of the OPA27GU/2K5? Key applications include precision instrumentation, data acquisition, test equipment, professional audio equipment, transducer amplifiers, and radiation hard equipment.
- What type of package does the OPA27GU/2K5 come in? The OPA27GU/2K5 comes in a SOIC (D) package with 8 pins.
- What is the supply voltage range for the OPA27GU/2K5? The supply voltage range is ±8 to ±44 VDC.
- Does the OPA27GU/2K5 have a unique bias current cancellation circuit? Yes, it has a unique bias current cancellation circuit for stable performance over the full temperature range.
- Is the OPA27GU/2K5 a replacement for any industry-standard models? Yes, it is an improved replacement for the industry-standard OP-27 and OP-37 models.
