AD8663ARZ

Voltage - Input Offset:	40µV
Base Part Number:	AD8663
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	5 V ~ 16 V, ±2.5 V ~ 8 V
Current - Output / Channel:	50mA
Current - Supply:	230µA
Series:	DigiTrim®
Current - Input Bias:	0.3pA
Gain Bandwidth Product:	540kHz
Slew Rate:	0.3 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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AD8663ARZ Application Field and Working Principle

The AD8663ARZ is a high-performance, low-voltage, differential-input precision amplifier from Analog Devices\' ADI family of products that is designed for instrumentation and other applications requiring high linearity. It performs a wide range of functions, from providing signal conditioning to amplifying low-level signals in both single-ended and differential environments, and it can be used in virtually any system where accurate signal processing is needed.The AD8663ARZ is a fully differential amplifier with an offset range of ±10 mV and a gain accuracy of ±0.075% over its entire operating temperature range. It has an input voltage range of ±32V, an output voltage range of 2V to 32V, and a package size of 3mm × 3mm. The AD8663ARZ can be used to amplify low-level signals, such as transducer and sensor signals, to higher levels, as well as to provide a level of signal conditioning to help boost signal-to-noise ratio. In addition, it provides an input voltage range that can accommodate both single-ended and differential input signals.The AD8663ARZ has excellent temperature stability and low offset drift (3 µV/°C typ), making it ideal for use in temperature-controlled environments. It also features a wide common-mode range and a low bias current (3 nA typ). The low bias current minimizes the errors caused by the input-referred and output-referred offset.The AD8663ARZ works best when paired with an external resistor divider for setting gain. This allows for an even closer-fitting gain accuracy and linearity over temperature. A unique output stage design provides a high output current capability (25 mA) and low distortion, making it suitable for driving high-load capacitive or inductive loads. An onboard comparator interrupts the signal when the output deviates beyond the desired limits.The current-feedback design of the AD8663ARZ amplifier allows for good linearity and fast settling times. It can switch quickly, with a rise and fall time of 2.5 µs typ, and can also respond to small, low-level input signals with a low minimum signal bandwidth of 1 kHz.Overall, the AD8663ARZ is a versatile, high-performance, low-voltage amplifier, suitable for a variety of instrumentation and signal processing applications. The combination of its low bias current, wide common-mode range, high linearity, and small package size make it an ideal choice for a wide range of applications.

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