AD8009JRTZ-REEL

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AD8009JRTZ-REEL Application Field and Working Principle

The AD8009JRTZ-REEL is a low-noise, wide-bandwidth precision amplifier that is designed for linear-amplifier, instrumentation, operational-amplifier (OP-Amp), and buffer-amplifier applications. The device is applicable for high-performance video, video filter, and video-detection circuits, as well as for a wide range of industrial, scientific, and medical instrumentation systems.

Features

• Low offset voltage: 2 mV
• Low noise: 0.85 nV/√Hz
• Wide bandwidth: 8.6 MHz (-3 dB)
• Excellent common-mode rejection: 82 dB
• Excellent power supply rejection: 74 dB
• Low supply current: 6 mA/amplifier
• High slew rate: 7.6 V/μs
• Rail-to-rail input and output

Working Principle

The AD8009JRTZ-REEL amplifier is a two-stage architecture with an improved input stage that provides higher bandwidth and lower input bias current over conventional single-stage amplifiers. It features a differential input stage, which is formed by two sets of complementary bipolar transistors. The differential input stage is followed by a set of cascoded transistors that reduces bias current and provides robustness in heavily loaded circuits.

The main feature of this amp is its exceptional linearity. It has an amazing 82 dB common-mode rejection ratio, which allows it to reject common-mode signals of up to 100 mV. It also has an impressive 74 dB supply rejection ratio, which ensures that power supply ripple and disturbances won’t interfere with the amplifier’s performance. With its excellent noise characteristics, it is well suited for high-precision applications, such as medical instrumentation and industrial control systems.

Applications

The AD8009JRTZ-REEL is an excellent solution for a wide range of applications, including:

• Medical instrumentation (ECG, EEG, etc.)
• Industrial process control
• High-performance video
• Video filters
• Video detection
• Power supply monitoring
• Current sensing

Conclusion

The AD8009JRTZ-REEL is a low-noise, wide-bandwidth precision amplifier that is well-suited for a variety of linear-amplifier, instrumentation, OP-Amp, and buffer-amplifier applications. Its excellent linearity, low offset voltage, low noise, wide bandwidth, and high slew rate make it an excellent choice for a variety of high-performance systems.

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