Overview
The OPA659IDBVT is a high-speed operational amplifier (op-amp) manufactured by Texas Instruments. It is part of the Linear - Amplifiers - Instrumentation category and is designed for applications requiring ultra-high dynamic range and precision. This model is particularly suited for high-impedance buffering in data acquisition systems and machine vision applications, such as photodiode transimpedance amplifiers in wafer inspection. Its unique selling points include a wide bandwidth of 650 MHz, a high slew rate of 2550 V/µs, and low input voltage noise, making it ideal for demanding high-frequency and low-noise environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Amplifier Type | J-FET | - | - |
| Number of Circuits | 1 | - | - |
| Slew Rate | 2550 | V/µs | - |
| Gain Bandwidth Product | 350 | MHz | - |
| -3dB Bandwidth | 650 | MHz | - |
| Input Bias Current | 10 | pA | - |
| Input Offset Voltage | 1000 | µV | - |
| Supply Current | 32 | mA | - |
| Output Current | 70 | mA | - |
| Supply Voltage | ±3.5 to 6.5 | V | Single/Dual |
| Operating Temperature | -40 to 85 | °C | - |
| Package | SOT-23-5 | - | - |
Key Features
- Wide bandwidth of 650 MHz for high-frequency applications.
- High slew rate of 2550 V/µs ensures fast signal response.
- Low input voltage noise of 8.9 nV/√Hz for precision in low-noise environments.
- JFET input stage provides high input impedance and low bias current.
- Unity-gain stable, making it versatile for various gain configurations.
Applications
The OPA659IDBVT is widely used in applications requiring high-speed and precision signal amplification. Key application areas include:
- Data Acquisition Systems: High-impedance buffering for accurate signal capture.
- Machine Vision: Photodiode transimpedance amplifiers in wafer inspection systems.
- Oscilloscope Front-Ends: Signal conditioning for high-frequency measurements.
- Broadband Communication: Signal amplification in RF and microwave systems.
Q & A
1. What is the bandwidth of the OPA659IDBVT?
The OPA659IDBVT has a bandwidth of 650 MHz.
2. What is the slew rate of this op-amp?
The slew rate is 2550 V/µs.
3. Is the OPA659IDBVT unity-gain stable?
Yes, it is unity-gain stable.
4. What is the input bias current of this amplifier?
The input bias current is 10 pA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
6. What is the supply voltage range?
The supply voltage range is ±3.5 V to 6.5 V.
7. What type of input stage does this op-amp have?
It features a JFET input stage.
8. What is the output current capability?
The output current is 70 mA.
9. What package does the OPA659IDBVT come in?
It is available in a SOT-23-5 package.
10. What are the typical applications of this amplifier?
Typical applications include data acquisition systems, machine vision, oscilloscope front-ends, and broadband communication systems.
