Overview
The OPA637AU is a high-speed precision operational amplifier manufactured by Texas Instruments. Designed for applications requiring exceptional accuracy and speed, this operational amplifier is part of the OPA637 series. It is particularly suited for use in precision analog circuits and high-speed signal processing. The OPA637AU is known for its low noise, low offset voltage, and high-speed performance, making it a competitive choice in the market for precision FET operational amplifiers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Type | High-Speed Operational Amplifier | - | - |
| Channels | 1 | Channel | - |
| Gain Bandwidth Product | 80 | MHz | - |
| Slew Rate | 135 | V/µs | - |
| Input Voltage Noise Density | 20 | nV/√Hz | - |
| Input Bias Current | 10 | pA | - |
| Input Offset Voltage | 280 | µV | Max |
| Operating Temperature Range | -25 to +85 | °C | - |
| Package | SOIC-8 | - | - |
Key Features
- Low noise: 4.5nV/√Hz at 10kHz
- High speed: 135V/µs slew rate
- Low input bias current: 10pA
- Wide supply voltage range: ±4.5V to ±18V
- Precision performance with low offset voltage and drift
Applications
The OPA637AU is widely used in applications requiring high precision and speed, such as in audio processing equipment, medical instrumentation, and high-speed data acquisition systems. Its ability to maintain low noise and high accuracy makes it ideal for use in sensitive measurement devices and in environments where signal integrity is paramount.
Q & A
What is the gain stability of the OPA637AU?
The OPA637AU is stable at gains of 5 or greater.
What is the typical input bias current of the OPA637AU?
The typical input bias current is 10pA.
Can the OPA637AU operate with a single power supply?
No, the OPA637AU requires a dual power supply ranging from ±4.5V to ±18V.
What is the maximum operating temperature for the OPA637AU?
The maximum operating temperature is +85°C.
What package does the OPA637AU come in?
It comes in an SOIC-8 package.
What is the slew rate of the OPA637AU?
The slew rate is 135V/µs.
What is the input voltage noise density of the OPA637AU?
The input voltage noise density is 20nV/√Hz.
Is the OPA637AU suitable for audio applications?
Yes, its low noise and high speed make it suitable for high-fidelity audio applications.
What is the gain bandwidth product of the OPA637AU?
The gain bandwidth product is 80MHz.
What is the typical input offset voltage of the OPA637AU?
The typical input offset voltage is 280µV.
