AD8648ARZ-REEL7

Voltage - Input Offset:	600µV
Base Part Number:	AD8648
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 5.5 V, ±1.35 V ~ 2.75 V
Current - Output / Channel:	120mA
Current - Supply:	1.5mA
Series:	--
Current - Input Bias:	0.3pA
Gain Bandwidth Product:	24MHz
Slew Rate:	11 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD8648ARZ-REEL7 Application Field and Working Principle

The AD8648ARZ-REEL7 is a single chip instrumentation amplifier that belongs to the linear amplifier, instrumentation amplifier, oper power amplifiers and buffer amplifiers category. It is manufactured by Analog Devices and is designed to provide precision amplify in demanding medical and industrial applications.This device is a single, high accuracy, low power instrumentation amplifier. It offers high precision performance with a gain of up to 10V/V and a common mode rejection ratio (CMRR) of up to 114 dB. It includes a low-power offset trim which helps to maintain the high accuracy of the device even after long hours of operating in continuous mode.The AD8648ARZ-REEL7 also includes an offset adjust circuit which can be enabled through an internal bit. It can be used for precise adjustment of the common mode gain offset. The offset adjust circuit is used to accurately adjust the gain of the amplifier when the input signals are heavily loaded conditions.The AD8648ARZ-REEL7 is designed to operate with a single supply of 3.3V and is optimized to operate over a temperature range of -40°C to +85°C. It is capable of delivering a peak output power of 12 mW at 3.3V and can drive up to 8mA of output current. It has a wide operating bandwidth of up to 1.2MHz and a quiescent current of 1.5mA.The AD8648ARZ-REEL7 is an ideal choice for applications that require high precision analog signal processing such as medical instrumentation, industrial process control systems and consumer electronics. Its low power consumption, wide operating bandwidth and high accuracy make it an attractive solution for these applications.The device is also suitable for a variety of operational amplifiers and differential amplifiers because it has a precision gain structure that helps to reduce noise. This helps to keep the device\'s gain stable and uniform over temperature.The working principle of the AD8648ARZ-REEL7 can be understood in two parts - the differential amplifier and the cascode amplifier. The differential amplifier is made up of two independent transistors driven through a current source. The current source guarantees that both the transistors operate in their linear region and thus the amplifier produces a differential output voltage.The cascade amplifier is made up of two emitter followers connected together in such a way that the output of one follower provides the input for the other. This generates a gain which is proportional to the input and output resistance of the device.The AD8648ARZ-REEL7 is a highly accurate, low power, single chip instrumentation amplifier. It has a gain up to 10V/V, a CMRR of up to 114 dB, a wide operating bandwidth of up to 1.2MHz, and a quiescent current of 1.5mA. It is designed to operate over a temperature range of -40°C to +85°C and can be used in applications that require high precision analog signal processing.

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