The AD648KNZ is a high-performance, precision dual BiFET (Bipolar-FET) operational amplifier from Analog Devices Inc., designed to offer a perfect blend of low noise and low input bias currents. This operational amplifier is a top choice for professionals in the field of instrumentation, medical equipment design, and other applications requiring high-precision signal amplification and processing.
Key Features
- Low Noise Performance: The AD648KNZ boasts a low noise figure, making it ideal for applications where signal integrity is paramount.
- Low Input Bias Current: With its BiFET technology, the input bias current is significantly reduced, which is crucial for high-impedance sensor applications and precision integrators.
- Dual Amplifier Configuration: The dual op-amp design allows for compact circuit layouts and can be used in applications requiring matched amplifier stages.
- High Gain Bandwidth Product: The device offers a high gain bandwidth product of 1 MHz, ensuring good dynamic response over a wide frequency range.
- Power Supply Flexibility: AD648KNZ can operate from a single supply (+5V to +15V) or dual supplies (±2.5V to ±7.5V), providing versatility for different circuit configurations.
Applications
The AD648KNZ is suitable for a wide range of applications, including:
- Precision amplifiers in data acquisition systems
- Buffer amplifiers for high-impedance sensors
- Active filters and integrators
- Medical instrumentation such as ECG and EEG amplifiers
- Professional audio equipment
Product Specifications
| Parameter |
Value |
| Number of Channels |
2 |
| Supply Voltage Range (Single) |
+5V to +15V |
| Supply Voltage Range (Dual) |
±2.5V to ±7.5V |
| Input Offset Voltage |
1 mV (max) |
| Input Bias Current |
25 pA (typical) |
| Gain Bandwidth Product |
1 MHz |
For those in need of a reliable and precise operational amplifier, the AD648KNZ from Analog Devices Inc. offers the performance and features to meet the most demanding of specifications.