Overview
The OPA4227PAG4 is a high-precision, low-noise operational amplifier from Texas Instruments. This quad-channel IC is part of the OPAx227 and OPAx228 series, known for combining low noise and wide bandwidth with high precision. It is an excellent choice for applications requiring both AC and precision DC performance. The OPA4227PAG4 is unity-gain stable, features a high slew rate of 2.3 V/µs, and has a wide bandwidth of 8 MHz. It is designed to replace industry-standard OP27 and OP37 op amps with substantial improvements across various parameters.
Key Specifications
| Parameter | Value |
|---|---|
| Package/Case | PDIP-14 |
| Number of Channels | 4 Channel |
| GBP - Gain Bandwidth Product | 8 MHz |
| SR - Slew Rate | 2.3 V/µs |
| Vos - Input Offset Voltage | 200 µV (max) |
| Supply Voltage - Min | ±2.5 V |
| Supply Voltage - Max | ±18 V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Ib - Input Bias Current | 10 nA (max) |
| CMRR - Common Mode Rejection Ratio | 138 dB |
| en - Input Voltage Noise Density | 3 nV/√Hz |
| Output Current per Channel | 45 mA |
Key Features
- High gain: 8 MHz Gain Bandwidth Product
- Low noise: 3 nV/√Hz input voltage noise density, suitable for precision applications
- Excellent stability: High CMRR of 138 dB, minimizing distortion and oscillation
- Fast response time: Slew rate of 2.3 V/µs
- Low input bias current: 10 nA maximum
- Low input offset voltage: 200 µV maximum
- High output current per channel: 45 mA
- Wide supply range: ±2.5 V to ±18 V
- Operating temperature range: -40°C to +85°C
Applications
- Data acquisition systems
- Test equipment
- Medical devices
- Instrumentation and measurement applications
- Industrial control systems
- Professional audio equipment
- Portable applications requiring high precision
Q & A
- What is the OPA4227PAG4?
The OPA4227PAG4 is a high-precision, low-noise operational amplifier from Texas Instruments, available in a quad-channel configuration.
- What is the slew rate of the OPA4227PAG4?
The slew rate of the OPA4227PAG4 is 2.3 V/µs.
- What is the gain bandwidth product of the OPA4227PAG4?
The gain bandwidth product of the OPA4227PAG4 is 8 MHz.
- What is the input offset voltage of the OPA4227PAG4?
The input offset voltage of the OPA4227PAG4 is 200 µV maximum.
- What is the common mode rejection ratio (CMRR) of the OPA4227PAG4?
The CMRR of the OPA4227PAG4 is 138 dB.
- What is the operating temperature range of the OPA4227PAG4?
The operating temperature range of the OPA4227PAG4 is -40°C to +85°C.
- What are the typical applications of the OPA4227PAG4?
The OPA4227PAG4 is used in data acquisition systems, test equipment, medical devices, instrumentation and measurement applications, and industrial control systems.
- Is the OPA4227PAG4 suitable for professional audio equipment?
Yes, the OPA4227PAG4 is suitable for professional audio equipment due to its high precision and low noise characteristics.
- What is the package type of the OPA4227PAG4?
The OPA4227PAG4 is available in a PDIP-14 package.
- What is the maximum output current per channel of the OPA4227PAG4?
The maximum output current per channel of the OPA4227PAG4 is 45 mA.
