Overview
The OPA2320AIDGKR is a low-noise, precision operational amplifier designed for high-accuracy signal conditioning in data acquisition and instrumentation systems.
It is widely used in ADC front-end circuits, sensor signal amplification, and precision filtering, where ultra-low offset voltage, low noise, and high linearity are required.
The OPA2320AIDGKT variant offers similar electrical characteristics with a different package, providing flexibility for various PCB layouts and assembly processes.
Core Parameters
| Parameter | Specification |
|---|---|
| Device Type | Precision Operational Amplifier |
| Input Offset Voltage | 5 μV max |
| Input Bias Current | 1 pA typ |
| Noise Density | 8 nV/√Hz |
| Supply Voltage | 2.5 V – 5.5 V |
| Output Swing | Rail-to-Rail |
| Slew Rate | 1.2 V/μs |
| Package | SOIC-8 (K) |
| Operating Temperature | -40°C to +125°C |
| Gain Bandwidth | 10 MHz |
These parameters make the device suitable for high-precision analog signal processing, especially where low noise and rail-to-rail operation are critical.
Features
- Ultra-low offset voltage and drift
- Low input bias current and noise
- Rail-to-rail input and output
- Single-supply operation (2.5–5.5 V)
- Low power consumption
- Pin-compatible variant: OPA2320AIDGKT
- Suitable for battery-powered and portable systems
Typical Application Scenarios
- High-precision ADC front-end circuits
- Sensor signal amplification for industrial and medical devices
- Data acquisition systems and instrumentation
- Portable measurement devices
- Low-noise analog filtering
The OPA2320AIDGKR precision op amp is frequently used with the ADS8584SIPMR ADC. It provides signal buffering and conditioning, ensuring accurate and low-noise analog-to-digital conversion in high-precision measurement and data acquisition applications.
Performance Comparison
| Feature | OPA2320AIDGKR | Standard Op Amp | Low-Cost Rail-to-Rail Op Amp |
|---|---|---|---|
| Input Offset | 5 μV | 1 mV | 50 μV |
| Noise | 8 nV/√Hz | 40 nV/√Hz | 15 nV/√Hz |
| Supply Voltage | 2.5–5.5 V | 3–15 V | 2.7–5.5 V |
| Rail-to-Rail | Yes | No | Yes |
| Power | Low | Medium | Medium |
Compared with standard or low-cost op amps, the OPA2320AIDGKR offers superior precision, lower noise, and better linearity, making it ideal for high-accuracy applications.
Conclusion
The OPA2320AIDGKR provides high-precision, low-noise, and rail-to-rail operation for a wide range of analog signal conditioning applications. Together with its variant OPA2320AIDGKT, it offers flexibility for design and assembly while maintaining excellent performance for precision measurement systems.
Manufacturer Profile
Texas Instruments (TI) is a global leader in analog and embedded processing solutions. TI’s precision operational amplifiers, including the OPA2320 family, are widely used in industrial, medical, and data acquisition applications due to their low noise, high accuracy, and reliable long-term performance.
FAQ
Q1: What is the difference between OPA2320AIDGKR and OPA2320AIDGKT?
They share identical electrical specifications. The difference is primarily in the package type for different assembly and PCB requirements.
Q2: What applications is OPA2320AIDGKR best suited for?
It is ideal for precision signal conditioning, ADC front-end circuits, sensor amplification, and low-noise analog filtering in industrial, medical, and data acquisition systems.
Q3: Is it suitable for battery-powered applications?
Yes. It features low power consumption and operates over a wide supply voltage range (2.5–5.5 V).
Q4: How can I verify the quality of OPA2320AIDGKR?
7SEtronic follows a complete, standardized quality inspection SOP. Each unit is checked via label verification, visual inspection, and X-ray analysis to ensure authenticity and reliable performance.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need. You can find more component guides and application notes in our Component Technical Guides section: