AD620ARZ-REEL

AD620ARZ-REEL is a low-cost, low-power instrumentation amplifier. It requires only one external resistor to set gains of 1 to 10,000. Furthermore, the low noise, low input bias current, and low power of the AD620 make it well-suited for medical applications, such as ECG and non-invasive blood pressure monitors. It is suited for multiplexed applications with its settling time of 15μs to 0.01%, and its cost is low enough to enable designs with one in-amp per channel. Applications include weighing scales, ECG and medical instrumentation, transducer interfaces, data acquisition systems, industrial process controls, and battery-powered and portable equipment.

• Wide power supply range (±2.3V to ±18V)
• Higher performance than 3 op amp IA designs
• Input offset is 30μV typ at VS=±5V, RL=2kohm, 25°C
• Nonlinearity is 10ppm typ at RL=10kohm, G=1–1000, VS=±15V, 25°C
• Common-mode rejection ratio DC to 60Hz with 1kohm source imbalance is 90dB at G=1, 25°C, VS=±15V
• Input bias current is 0.5nA typ at 25°C, VS=±15V, and RL=2kohm
• Input offset current is 0.3nA typ at 25°C, VS=±15V, and RL=2kohm
• Slew rate is 1.2V/μs typ at 25°C, VS=±15V, and RL=2kohm
• 8-lead SOIC-N package
• Temperature range from -40°C to +85°C

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