Overview
The OPA227PAG4 is a high-precision operational amplifier (op-amp) manufactured by Texas Instruments. Designed for applications requiring exceptional accuracy and stability, this op-amp is part of Texas Instruments' renowned precision amplifier series. It is widely used in industrial, medical, and instrumentation applications where low noise, low offset voltage, and high gain are critical. The OPA227PAG4 is particularly suitable for precision signal conditioning, data acquisition, and control systems. Its market competitiveness lies in its ultra-low noise performance, high common-mode rejection ratio (CMRR), and low input offset voltage, making it a preferred choice for demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | ±2.5 to ±18 | V | Dual Supply |
| Input Offset Voltage | 10 | µV | Max |
| Input Bias Current | 1 | nA | Max |
| Common-Mode Rejection Ratio (CMRR) | 130 | dB | Min |
| Gain Bandwidth Product | 8 | MHz | Typical |
| Slew Rate | 2.3 | V/µs | Typical |
| Operating Temperature Range | -40 to +85 | °C | |
| Package | PDIP-8 | Plastic Dual In-Line Package |
Key Features
- Ultra-Low Noise: Ensures high signal integrity in sensitive applications.
- High Precision: Low input offset voltage and drift for accurate signal processing.
- Wide Supply Range: Supports dual supplies from ±2.5V to ±18V, offering flexibility in various designs.
- High CMRR: Minimizes errors in noisy environments.
- Robust Performance: Stable operation across a wide temperature range.
Applications
The OPA227PAG4 is ideal for precision applications such as:
- Industrial Automation: Used in sensor signal conditioning and control systems.
- Medical Devices: Ensures accuracy in diagnostic and monitoring equipment.
- Instrumentation: Provides reliable performance in test and measurement systems.
- Data Acquisition: Enhances signal accuracy in multi-channel systems.
- Audio Processing: Delivers low-noise performance in high-fidelity audio systems.
Q & A
1. What is the typical input offset voltage of the OPA227PAG4?
The typical input offset voltage is 10 µV.
2. Can the OPA227PAG4 operate with a single supply?
No, it is designed for dual-supply operation ranging from ±2.5V to ±18V.
3. What is the maximum operating temperature of the OPA227PAG4?
The maximum operating temperature is +85°C.
4. What is the gain bandwidth product of the OPA227PAG4?
The gain bandwidth product is typically 8 MHz.
5. Is the OPA227PAG4 suitable for audio applications?
Yes, its low noise and high precision make it suitable for high-fidelity audio systems.
6. What is the input bias current of the OPA227PAG4?
The input bias current is typically 1 nA.
7. What package does the OPA227PAG4 come in?
It is available in a PDIP-8 (Plastic Dual In-Line Package).
8. What is the slew rate of the OPA227PAG4?
The slew rate is typically 2.3 V/µs.
9. Can the OPA227PAG4 be used in medical devices?
Yes, its precision and low noise make it ideal for medical applications.
10. What is the common-mode rejection ratio (CMRR) of the OPA227PAG4?
The CMRR is a minimum of 130 dB.
