Overview
The AD8620BR is a high-performance, precision operational amplifier manufactured by Analog Devices, Inc. It is part of the AD8610/AD8620 family, known for its very low noise, low input bias current, and wide bandwidth. This JFET input amplifier features ultralow offset voltage and drift, making it ideal for precision instrumentation and signal processing applications. The AD8620BR is stable with capacitive loads, has a wide supply voltage range, and offers high precision and accuracy in a compact package.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 Channel |
| Slew Rate (SR) | 60 V/μs |
| Input Offset Voltage (Vos) | 80 μV |
| Input Bias Current | 3.5 nA |
| Supply Voltage Range | 2.7 V to 36 V |
| Maximum Supply Voltage | ±13 V |
| Load Current | 45 mA |
| Common Mode Rejection Ratio (CMRR) | 110 dB |
| Input Voltage Noise Density | 6 nV/√Hz |
| Operating Temperature Range | -40°C to +125°C |
| Package | 8-SOIC |
Key Features
- Stability with capacitive loads of over 1000 pF in noninverting unity gain, ensuring consistent performance in complex circuit configurations.
- Rail-to-rail output swing with high common mode rejection ratio (CMRR) of 110 dB, maximizing dynamic range and signal accuracy.
- Low input bias current for low distortion amplification and high precision operation.
- Wide supply voltage range from 2.7 V to 36 V, making it versatile for various applications.
- High slew rate of 60 V/μs and gain bandwidth product of 25 MHz, suitable for high-speed data acquisition and precision instrumentation.
- Excellent linearity and thermal stability, with low offset voltage drift of 0.5 to 1.5 μV/°C.
Applications
- Precision instrumentation and sensor signal conditioning.
- Data acquisition systems and high-speed data acquisition applications.
- Medical equipment, including CAT/MRI/ultrasound medical instrumentation.
- Instrumentation quality photodiode amplification and fast precision filters (including PLL filters).
- High-quality audio and electronic instruments.
- ATE amplification, buffering, and integrator circuits.
Q & A
- Q: What is the input offset voltage of the AD8620BR?
A: The input offset voltage of the AD8620BR is typically 80 μV.
- Q: What is the slew rate of the AD8620BR?
A: The slew rate of the AD8620BR is 60 V/μs.
- Q: What is the common mode rejection ratio (CMRR) of the AD8620BR?
A: The CMRR of the AD8620BR is 110 dB.
- Q: What is the operating temperature range of the AD8620BR?
A: The operating temperature range of the AD8620BR is -40°C to +125°C.
- Q: What type of package does the AD8620BR come in?
A: The AD8620BR comes in an 8-SOIC package.
- Q: Is the AD8620BR stable with capacitive loads?
A: Yes, the AD8620BR is stable with capacitive loads of over 1000 pF in noninverting unity gain.
- Q: What are some common applications of the AD8620BR?
A: Common applications include precision instrumentation, data acquisition systems, medical equipment, and high-quality audio.
- Q: What is the supply voltage range of the AD8620BR?
A: The supply voltage range of the AD8620BR is from 2.7 V to 36 V.
- Q: How does the AD8620BR handle high-speed data acquisition?
A: The AD8620BR is suitable for high-speed data acquisition due to its high slew rate and gain bandwidth product.
- Q: Where can I find detailed information about the AD8620BR?
A: Detailed information can be found in the datasheet available on Analog Devices' official website or through distributors like Ovaga Technologies.
