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1. Describe
AD620ARZ-REEL is a low cost, high precision instrument The amplifier needs only one external resistor to set the gain 1 to 10,000. Additionally, the AD620 features 8-pin SOIC and smaller DIP package than discrete designs and provides Lower power (only 1.3 mA maximum supply current), making it a Ideal for battery powered portable (or remote) applications. AD620 with high accuracy up to 40 ppm Nonlinear, low offset voltage and offset drift of 50 μV max 0.6 μV/°C max, ideal for precision data acquisition systems such as weighing scales and sensor interfaces. In addition, low noise, low input bias current, and low power consumption The AD620 makes it ideal for medical applications such as As an electrocardiogram and non-invasive blood pressure monitor. Low input bias currents of up to 1.0 nA can be Use Superϐeta processing in the input stage. AD620 Works well as a preamp due to its low input voltage noise 9 nV/√Hz at 1 kHz, 0.28 μV p-p in the 0.1 Hz to 10 Hz band, and 0.1 pA/√Hz input current noise. Also, AD620 is not bad Settling time of 15 μs for multiplexed applications to 0.01%, and its cost is low enough to allow designs with a Instrumentation amplifier for each channel.
2. Feature
1. Set the gain with an external resistor (gain range 1 to 10,000)
2. Wide power supply range (±2.3 V to ±18 V)
3. Higher performance than 3 op amp IA designs
4. Available in 8-pin DIP and SOIC packages
5. Low power consumption, 1.3 mA maximum supply current
6. Excellent DC performance (Class B)
- 50 μV maximum, input offset voltage
- 0.6 μV/°C max, input offset drift
- 1.0 nA max, input bias current
- 100 dB minimum common mode rejection ratio (G = 10)
7. Low noise
- 9 nV/√Hz @ 1 kHz, input voltage noise
- 0.28 μV p-p noise (0.1 Hz to 10 Hz)
8. Excellent AC Specifications
- 120 kHz bandwidth (G = 100)
- 15 μs settling time to 0.01%
3. Application
1. weighing scale
2. ECG and Medical Instruments
3. sensor interface
4. data acquisition system
5. Industrial Process Control
6. Battery powered and portable devices
4. Pin configuration
