Overview
The OPA4227UA, manufactured by Texas Instruments, is a high-precision, low-noise operational amplifier designed for applications requiring both AC and precision DC performance. This quad-channel amplifier is an ideal choice for professional audio equipment and portable applications due to its low static current and cost-effectiveness. It serves as a pin-to-pin replacement for the industry-standard OP-27, offering significant improvements across the board.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Gain Bandwidth Product | 8 | MHz | |
| Slew Rate | 2.3 | V/µs | |
| Input Bias Current | 10 | nA | Max |
| Input Offset Voltage | 75 | µV | Max |
| CMRR | 138 | dB | |
| Open Loop Gain | 160 | dB | |
| Supply Voltage Range | ±2.5 to ±18 | V | |
| Package | SOP14 |
Key Features
- High precision and low noise for both AC and DC applications
- Unit gain stable with high slew rate and wide bandwidth
- Low static current and cost, ideal for portable applications
- Pin-to-pin replacement for OP-27 with enhanced performance
Applications
The OPA4227UA is widely used in various fields including data acquisition, telecommunications, geophysical analysis, vibration analysis, spectral analysis, professional audio equipment, active filters, and power control. Its high precision and low noise characteristics make it particularly suitable for applications demanding stringent performance criteria.
Q & A
What is the gain bandwidth product of the OPA4227UA?
The gain bandwidth product of the OPA4227UA is 8 MHz.
What is the slew rate of the OPA4227UA?
The slew rate is 2.3 V/µs.
Can the OPA4227UA be used in professional audio equipment?
Yes, it is ideal for professional audio equipment due to its low noise and high precision.
What is the input bias current of the OPA4227UA?
The input bias current is 10 nA maximum.
What is the input offset voltage of the OPA4227UA?
The input offset voltage is 75 µV maximum.
What is the CMRR of the OPA4227UA?
The common mode rejection ratio (CMRR) is 138 dB.
What is the open loop gain of the OPA4227UA?
The open loop gain is 160 dB.
What is the supply voltage range for the OPA4227UA?
The supply voltage ranges from ±2.5 V to ±18 V.
Is the OPA4227UA a pin-to-pin replacement for the OP-27?
Yes, it is a pin-to-pin replacement with enhanced performance.
What package does the OPA4227UA come in?
It comes in an SOP14 package.
