AD820ARZ-REEL

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AD820ARZ-REEL is a low noise, single supply, FET-input operational amplifier used for low power audio, instrumentation and other general purpose applications. It is ideal for applications that require low distortion, wide bandwidth and high common mode rejection.

Application Field of AD820ARZ-REEL

The AD820ARZ-REEL is a ideal for a wide variety of applications such as active filter, low noise amplifier, acoustic measurement, instrumentation amplifier, sensor amplifier, and data acquisition systems. It is also suitable for use in automotive and consumer applications such as high-end audio and microphone preamps. The AD820ARZ-REEL offers a wide input common mode voltage range, routing flexibility and ease of gain-setting with a single external resistor.

Working Principle of AD820ARZ-REEL

The functioning circuitry of the AD820ARZ-REEL is based upon an input stage FET followed by a CMOS compensation network and a Darlington output stage. The FET input section has very low input bias current (typically 1pA) and very high input impedance. The FET input amplifies the signal and the output is then sent to the CMOS compensation network. This network is responsible for the DC performance of the AD820ARZ-REEL by setting the input offset voltage and offset current. It also provides frequency compensation for the amplifier. The output of the last stage is usually a current that is converted to a voltage by the Darlington output section. The AD820ARZ-REEL has a wide bandwidth, low distortion, mid-range gain and excellent common mode rejection.

Conclusion

The AD820ARZ-REEL is a low noise, single supply, FET-input operational amplifier used for low power audio,instrumentation and other general purpose applications. It offers a wide input common mode voltage range, routing flexibility and ease of gain-setting with a single external resistor. The functioning circuitry of the AD820ARZ-REEL is based upon an input stage FET followed by a CMOS compensation network and a Darlington output stage. The AD820ARZ-REEL is ideal for applications that require low distortion, wide bandwidth and high common mode rejection. The AD820ARZ-REEL is suitable for use in audio, instrumentation, data acquisition systems and sensor amplifier applications.

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