Overview
The OPA227PA, manufactured by Texas Instruments, is a high-precision, low-noise operational amplifier designed for applications requiring exceptional accuracy and minimal noise interference. This model is part of the OPA227 series, which is known for its robust performance in both AC and DC precision applications. The OPA227PA is particularly suited for use in data acquisition systems, industrial control systems, and professional audio equipment, offering a balance of low noise, high bandwidth, and excellent DC precision.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channel Count | 1 | Channel | |
| Gain Bandwidth Product | 8 | MHz | |
| Slew Rate | 2.3 | V/µs | |
| Common Mode Rejection Ratio | 120 to 138 | dB | |
| Output Current per Channel | 45 | mA | |
| Input Bias Current | 10 | nA | |
| Input Offset Voltage | 0.075 | mV | |
| Input Voltage Noise Density | 3.5 | nV/√Hz | |
| Maximum Supply Voltage | 36 | V | |
| Minimum Supply Voltage | 5 | V | |
| Operating Supply Current | 3.7 | mA | |
| Operating Temperature Range | -40 to +85 | °C | |
| Package | PDIP-8 | Tube packaging, 50 units per tube |
Key Features
- Low noise: 3.5 nV/√Hz input voltage noise density
- High precision: 0.075 mV input offset voltage
- Wide bandwidth: 8 MHz gain bandwidth product
- High CMRR: Up to 138 dB common mode rejection ratio
- Robust power supply range: 5 V to 36 V, or ±2.5 V to ±18 V
Applications
The OPA227PA is versatile and can be used in a variety of high-precision applications. It is particularly effective in data acquisition systems where accuracy and low noise are critical. Additionally, it is suitable for industrial control systems, where it can handle the demands of complex control algorithms. In the realm of professional audio, the OPA227PA enhances audio signal processing with its low noise and high fidelity characteristics.
Q & A
What is the gain bandwidth product of the OPA227PA?
The gain bandwidth product of the OPA227PA is 8 MHz.
Can the OPA227PA operate with a single power supply?
Yes, the OPA227PA can operate with a single power supply ranging from 5 V to 36 V.
What is the typical input offset voltage of the OPA227PA?
The typical input offset voltage is 0.075 mV.
Is the OPA227PA suitable for audio applications?
Yes, its low noise and high precision make it suitable for professional audio applications.
What is the maximum operating temperature for the OPA227PA?
The maximum operating temperature is +85°C.
Does the OPA227PA have a shutdown feature?
No, the OPA227PA does not include a shutdown feature.
What is the slew rate of the OPA227PA?
The slew rate is 2.3 V/µs.
What is the common mode rejection ratio of the OPA227PA?
The CMRR ranges from 120 dB to 138 dB.
What package does the OPA227PA come in?
It comes in a PDIP-8 package.
What is the input bias current of the OPA227PA?
The input bias current is 10 nA.
