Overview
The OPA2227MDREP is a high precision, low noise operational amplifier produced by Texas Instruments. This device is designed to offer exceptional performance in both AC and DC applications, making it ideal for various critical fields such as data acquisition, telecom equipment, geophysical analysis, and professional audio equipment. The OPA2227 is unity-gain stable, featuring a high slew rate of 2.3 V/μs and a wide bandwidth of 8 MHz. It operates over a wide supply range from ±2.5 V to ±18 V and is specified for temperatures ranging from –55°C to 125°C, ensuring robust performance in diverse environments.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Voltage Noise Density | 3 | nV/√Hz |
| Bandwidth | 8 | MHz |
| Slew Rate | 2.3 | V/μs |
| Input Offset Voltage | ±100 | μV |
| Common Mode Rejection Ratio (CMRR) | 138 | dB |
| Open-Loop Gain | 160 | dB |
| Supply Voltage Range | ±2.5 to ±18 | V |
| Operating Temperature Range | –55 to 125 | °C |
| Output Current per Channel | 45 | mA |
| Package Type | SOIC-8 |
Key Features
- Low Noise: 3 nV/√Hz, making it suitable for high precision applications.
- Wide Bandwidth: 8 MHz and high slew rate of 2.3 V/μs, ensuring excellent AC performance.
- High Precision: Low input offset voltage (±100 μV) and high CMRR (138 dB), ideal for precision DC applications.
- Wide Supply Range: Operates from ±2.5 V to ±18 V, providing flexibility in power supply configurations.
- Extended Temperature Range: Specified for temperatures from –55°C to 125°C, suitable for harsh environments.
- Low Quiescent Current: Low power consumption, making it suitable for portable and battery-powered applications).
- Input Protection: Back-to-back diodes for input protection against overvoltage conditions).
Applications
- Data Acquisition: High precision and low noise make it ideal for data acquisition systems).
- Telecom Equipment: Suitable for telecom applications requiring high precision and low noise).
- Geophysical Analysis: Used in geophysical analysis due to its high precision and stability).
- Vibration Analysis: Ideal for vibration analysis applications requiring high sensitivity and precision).
- Spectral Analysis: Suitable for spectral analysis due to its wide bandwidth and low noise).
- Professional Audio Equipment: Used in professional audio equipment for its high fidelity and low noise characteristics).
- Active Filters: Ideal for active filter applications requiring high precision and stability).
- Power Supply Control: Used in power supply control systems for its high precision and reliability).
Q & A
- What is the input voltage noise density of the OPA2227MDREP?
3 nV/√Hz.
- What is the bandwidth of the OPA2227MDREP?
8 MHz.
- What is the slew rate of the OPA2227MDREP?
2.3 V/μs.
- What is the typical input offset voltage of the OPA2227MDREP?
±100 μV.
- What is the common mode rejection ratio (CMRR) of the OPA2227MDREP?
138 dB.
- What is the open-loop gain of the OPA2227MDREP?
160 dB.
- What is the supply voltage range of the OPA2227MDREP?
±2.5 V to ±18 V.
- What is the operating temperature range of the OPA2227MDREP?
–55°C to 125°C.
- What is the output current per channel of the OPA2227MDREP?
45 mA.
- In what package is the OPA2227MDREP available?
SOIC-8.
