AD623/AD620 voltage signal amplifier

The AD623 and AD620 are precision low-power instrumentation amplifiers designed for high-precision signal amplification. They are widely used in various applications requiring accurate signal measurement, including medical instrumentation, data acquisition, and industrial process control. Both devices provide high common-mode rejection ratio (CMRR) and low offset voltage, ensuring accurate and stable signal amplification.

AD623

Key Features:

• Gain: Adjustable from 1 to 1000 via a single external resistor
• Input Offset Voltage: ±50 µV (typical)
• Common-Mode Rejection Ratio (CMRR): 100 dB (typical)
• Power Supply Range: ±2.3V to ±18V or 4.6V to 36V (single supply)
• Bandwidth: 1.2 MHz (gain = 1)
• Current Consumption: 0.5 mA (typical)

Technical Specifications:

• Gain: Adjustable via a single resistor
• Input Offset Voltage: ±50 µV (typical)
• Common-Mode Rejection Ratio (CMRR): 100 dB
• Power Supply: ±2.3V to ±18V or 4.6V to 36V
• Bandwidth: 1.2 MHz (gain = 1)
• Input Bias Current: 5 nA (typical)
• Package Options: 8-lead SOIC, 8-lead PDIP

Applications:

• Medical Instrumentation: Amplifying low-level biological signals such as ECG or EEG.
• Data Acquisition: Used in sensor signal conditioning and analog-to-digital conversion systems.
• Industrial Process Control: Signal amplification in process monitoring and control systems.
• Measurement Systems: Precision signal amplification for measurement equipment.

Datasheet:
For detailed technical information, refer to the AD623 Instrumentation Amplifier Datasheet provided by Analog Devices.

AD620

Key Features:

• Gain: Adjustable from 1 to 10,000 via a single external resistor
• Input Offset Voltage: ±50 µV (typical)
• Common-Mode Rejection Ratio (CMRR): 120 dB (typical)
• Power Supply Range: ±2.3V to ±18V or 4.6V to 36V (single supply)
• Bandwidth: 1 MHz (gain = 10)
• Current Consumption: 1.3 mA (typical)

Technical Specifications:

• Gain: Adjustable via a single resistor
• Input Offset Voltage: ±50 µV (typical)
• Common-Mode Rejection Ratio (CMRR): 120 dB
• Power Supply: ±2.3V to ±18V or 4.6V to 36V
• Bandwidth: 1 MHz (gain = 10)
• Input Bias Current: 10 nA (typical)
• Package Options: 8-lead SOIC, 8-lead PDIP

Applications:

• Medical Instrumentation: Suitable for amplifying low-level medical signals with high accuracy.
• Signal Conditioning: Amplifies signals from sensors or transducers in various measurement systems.
• Industrial Monitoring: Used in systems requiring precise signal amplification for process control.
• Instrumentation: Ideal for precision measurements and data acquisition systems.

Datasheet:
For detailed technical information, refer to the AD620 Instrumentation Amplifier Datasheet provided by Analog Devices.