Overview
The OPA4227PA from Texas Instruments is a high-precision, low-noise operational amplifier designed for demanding applications that require high accuracy and low noise. This quad-channel operational amplifier is part of the Burr-Brown OPA series and is suitable for a wide range of applications, including data acquisition, condition monitoring, and professional audio systems. The OPA4227PA operates over a wide supply voltage range and is known for its excellent performance characteristics, making it a reliable choice for various industrial and professional uses.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Amplifier Type | Low Noise, Precision | |
| Mounting Type | Through Hole | |
| Package Type | PDIP | |
| Power Supply Type | Dual | |
| Number of Channels per Chip | 4 | |
| Pin Count | 14 | |
| Typical Gain Bandwidth Product | 8 MHz | |
| Typical Dual Supply Voltage | ±2.5 V to ±18 V | |
| Typical Slew Rate | 2.3 V/μs | |
| Minimum Operating Temperature | -40 °C | |
| Maximum Operating Temperature | +85 °C | |
| Rail to Rail | No | |
| Typical Voltage Gain | 160 dB | |
| Typical Input Voltage Noise Density | 3.5 nV/√Hz | |
| Height | 4.57 mm | |
| Dimensions | 19.3 x 6.35 x 4.57 mm |
Key Features
- Low Noise: The OPA4227PA features a low input voltage noise density of 3.5 nV/√Hz, making it suitable for high-precision applications.
- Wide Bandwidth: With a gain bandwidth product of 8 MHz and a slew rate of 2.3 V/μs, this amplifier provides excellent performance in high-frequency applications.
- High Precision: It offers high open-loop gain (160 dB) and low input bias current (10 nA maximum), ensuring accurate signal amplification.
- Wide Supply Range: The amplifier can operate over a wide supply voltage range from ±2.5 V to ±18 V, making it versatile for various power supply conditions.
- High CMRR: A high common-mode rejection ratio (CMRR) of 138 dB helps in minimizing common-mode noise.
- Low Offset Voltage: The maximum offset voltage is 75 µV, which is crucial for precision applications.
Applications
- Data Acquisition (DAQ): Suitable for high-precision data acquisition systems due to its low noise and high accuracy.
- Condition Monitoring Sensors: Used in condition monitoring applications where precise signal amplification is required.
- Spectrum Analyzers: Its wide bandwidth and low noise make it ideal for use in spectrum analyzers.
- Professional Audio Amplifiers: Often used in professional audio equipment for its high precision and low noise characteristics.
- Industrial AC-DC Systems: Applicable in industrial AC-DC conversion systems where high accuracy and reliability are necessary.
Q & A
- What is the typical gain bandwidth product of the OPA4227PA?
The typical gain bandwidth product of the OPA4227PA is 8 MHz.
- What is the slew rate of the OPA4227PA?
The slew rate of the OPA4227PA is 2.3 V/μs.
- What is the operating temperature range of the OPA4227PA?
The operating temperature range is from -40 °C to +85 °C.
- How many channels does the OPA4227PA have?
The OPA4227PA has 4 channels.
- What is the typical input voltage noise density of the OPA4227PA?
The typical input voltage noise density is 3.5 nV/√Hz.
- What is the maximum offset voltage of the OPA4227PA?
The maximum offset voltage is 75 µV.
- What is the common-mode rejection ratio (CMRR) of the OPA4227PA?
The CMRR is 138 dB.
- What are the typical supply voltages for the OPA4227PA?
The typical supply voltages range from ±2.5 V to ±18 V.
- What are some common applications of the OPA4227PA?
Common applications include data acquisition, condition monitoring sensors, spectrum analyzers, professional audio amplifiers, and industrial AC-DC systems.
- What is the package type of the OPA4227PA?
The package type is PDIP (14-pin).
