Overview
The OPA2227UA from Texas Instruments is a high-precision, low-noise operational amplifier designed to offer exceptional performance in a variety of applications. This dual operational amplifier features two independent amplifiers in a single integrated circuit, enhancing its versatility and suitability for multiple configurations. The OPA2227UA is part of the OPAx227 series, known for combining low noise and wide bandwidth with high precision, making it an excellent choice for applications requiring both AC and precision DC performance.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOIC (D) with 8 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | ±2.5 V to ±18 V, 5 V to 36 V |
| Input Offset Voltage | 75 µV maximum |
| Input Bias Current | 10 nA maximum |
| Gain Bandwidth Product (GBP) | 8 MHz |
| Slew Rate | 2.3 V/µs |
| Common-Mode Rejection Ratio (CMRR) | 138 dB |
| Open-Loop Gain | 160 dB |
| Channel Output Current | 45 mA |
| Operating Supply Current | 3.7 mA |
Key Features
- Low noise: 3 nV/√Hz.
- Wide bandwidth: 8 MHz with a slew rate of 2.3 V/µs.
- High CMRR: 138 dB.
- High open-loop gain: 160 dB.
- Low input bias current: 10 nA maximum.
- Low offset voltage: 75 µV maximum.
- Wide supply range: ±2.5 V to ±18 V, 5 V to 36 V.
- Single, dual, and quad versions available.
- High electrostatic discharge (ESD) tolerance and RoHS compliance.
Applications
The OPA2227UA is particularly suited for professional audio equipment due to its low noise and high precision. It is also an excellent choice for portable applications requiring high precision and low quiescent current. Other applications include instrumentation, power management, and any scenario where high accuracy and low noise are critical.
Q & A
- What is the package type of the OPA2227UA? The OPA2227UA comes in a SOIC (D) package with 8 pins.
- What is the operating temperature range of the OPA2227UA? The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the OPA2227UA? The supply voltage range is ±2.5 V to ±18 V, and 5 V to 36 V.
- What is the input offset voltage of the OPA2227UA? The input offset voltage is 75 µV maximum.
- What is the slew rate of the OPA2227UA? The slew rate is 2.3 V/µs.
- What is the common-mode rejection ratio (CMRR) of the OPA2227UA? The CMRR is 138 dB.
- Is the OPA2227UA suitable for professional audio equipment? Yes, it is particularly suited for professional audio equipment due to its low noise and high precision.
- What are the available versions of the OPAx227 series? Single, dual, and quad versions are available.
- Is the OPA2227UA RoHS compliant? Yes, it is RoHS compliant and has high ESD tolerance.
- What is the estimated end-of-life date for the OPA2227UA? The estimated end-of-life date is 2028.
