Overview
The OPA627AUG4 is a high-performance, precision operational amplifier produced by Texas Instruments. It belongs to the OPA627 series, known for its exceptional noise performance, high speed, and low drift. This operational amplifier is designed to provide a new level of performance in precision FET operational amplifiers, making it suitable for a wide range of applications that require high accuracy and stability.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Input Offset Voltage (VOS) at 25°C | 0.1 mV | 0.1 mV |
| Input Offset Voltage Drift (dVOS/dT) | 0.4 µV/°C | 0.8 µV/°C |
| Input Bias Current (IB) | 1 pA | 5 pA |
| Slew Rate | 55 V/µs | |
| Gain-Bandwidth Product (GBW) | 16 MHz | |
| Settling Time (10V step, gain = -1V/V, CL = 30pF) | 550 ns to 0.01% | |
| Total Supply Voltage | 9 V to 36 V | |
| Operating Temperature Range | -25°C to +85°C | |
| Output Current | 55 mA | |
| Noise Voltage at 1 kHz (Vn) | 5.2 nV/√Hz |
Key Features
- Low Noise: 4.5 nV/√Hz at 10 kHz, making it ideal for high-precision applications.
- High Speed: Slew rate of 55 V/µs and a gain-bandwidth product of 16 MHz.
- Low Drift: Input offset voltage drift of 0.4 µV/°C maximum.
- Low Input Bias Current: Maximum of 5 pA.
- Unity-Gain Stable: The OPA627 is stable in unity gain, while the OPA637 is stable in gains of 5 or higher.
- Wide Operating Temperature Range: -25°C to +85°C.
Applications
- Precision Instrumentation: Ideal for applications requiring high accuracy and stability.
- Fast Data Acquisition: Suitable for high-speed data acquisition systems.
- DAC Output Amplifier: Used as an output amplifier for digital-to-analog converters.
- Optoelectronics: Applicable in optoelectronic circuits.
- Sonar and Ultrasound: Used in sonar and ultrasound systems.
- High-Impedance Sensor Amplifiers: Suitable for amplifying signals from high-impedance sensors.
- High-Performance Audio Circuitry: Used in high-performance audio applications.
- Active Filters: Can be used in active filter circuits.
Q & A
- What is the typical input offset voltage of the OPA627AUG4?
The typical input offset voltage is 0.1 mV at 25°C.
- What is the slew rate of the OPA627AUG4?
The slew rate is 55 V/µs.
- What is the gain-bandwidth product of the OPA627AUG4?
The gain-bandwidth product is 16 MHz.
- What is the maximum input bias current of the OPA627AUG4?
The maximum input bias current is 5 pA.
- What is the operating temperature range of the OPA627AUG4?
The operating temperature range is -25°C to +85°C.
- What are some common applications of the OPA627AUG4?
Common applications include precision instrumentation, fast data acquisition, DAC output amplifiers, optoelectronics, sonar and ultrasound, high-impedance sensor amplifiers, high-performance audio circuitry, and active filters.
- What is the typical output current of the OPA627AUG4?
The typical output current is 55 mA.
- What is the noise voltage at 1 kHz for the OPA627AUG4?
The noise voltage at 1 kHz is typically 5.2 nV/√Hz.
- Is the OPA627AUG4 RoHS compliant?
- What are the available packages for the OPA627AUG4?
The OPA627AUG4 is available in SOIC-8 and TO-99 packages.
