The AD625KN is a high precision instrumentation amplifier designed by Analog Devices Inc. to cater to a wide array of applications requiring accurate and stable signal amplification. With its exceptional precision, the AD625KN is an ideal choice for data acquisition systems, medical instrumentation, industrial process controls, and battery-powered instruments.
Key Features:
- High Accuracy: The AD625KN boasts a gain accuracy of ±0.15% max for G = 1, ensuring precise readings in critical measurement applications.
- Wide Gain Range: Users can configure the device for gains from 1 to 10,000 with a single external resistor, providing flexibility across various use cases.
- Low Offset Voltage: With a maximum input offset voltage of 50 µV, the device minimizes error in signal processing tasks.
- Low Noise: A low noise density of 0.3 µV p-p (0.1 Hz to 10 Hz) at G = 1000 makes the AD625KN suitable for applications where signal integrity is paramount.
- High CMRR: The AD625KN features a high Common-Mode Rejection Ratio (CMRR) of 120 dB min at G = 1000, reducing the influence of unwanted common-mode signals.
Performance Specifications:
| Parameter |
Value |
| Input Offset Voltage |
50 µV max |
| Input Bias Current |
25 nA max |
| Operating Temperature Range |
-40°C to +85°C |
| Supply Voltage |
±4.5 V to ±18 V |
Applications:
- Medical instrumentation
- Industrial process controls
- Data acquisition systems
- Strain gauges and transducer interfaces
- Battery-powered devices
The AD625KN from Analog Devices Inc. is packaged in a 16-pin PDIP (Plastic Dual In-line Package), ensuring easy integration into various circuit designs. Its combination of precision, versatility, and reliability makes it a top choice for professionals seeking a high-quality instrumentation amplifier.