ADA4177-2ARZ-R7

Voltage - Input Offset:	2µV
Base Part Number:	ADA4177
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 ~ 15 V
Current - Output / Channel:	25mA
Current - Supply:	500µA
Series:	--
Current - Input Bias:	300pA
Gain Bandwidth Product:	3.5MHz
Slew Rate:	1.5 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADA4177-2ARZ-R7 Application Field and Working Principle

The ADA4177-2ARZ-R7 is a low power, wide bandwidth operational amplifier specifically designed to meet instrumentation, audio and other general-purpose applications. It belongs to the Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps family which are used to provide a gain and impedance environment that ideally suits the needs of the particular application.The ADA4177-2ARZ-R7 has a wide operating voltage supply of 2.6V to 16V, with a very low quiescent current of 65 microamps. It also boasts a maximum output swing of up to over ±150mV, and a maximum slew rate of 4V/us. It is also capable of a gain range of up to 1500dB, making it suitable for a variety of uses.In terms of its working principle, the ADA4177-2ARZ-R7 features a differential amplifier topology. This involves a pair of input transistors, one of which is active and the other is in a low-power ‘bias’ mode. During operation, the current sources in the bias section of the amplifier force one of the input transistors to the ‘on’ state, which is the active state. This connection makes the amplifier responsive to a signal applied to the input transistors.Due to the low input bias current, the ADA4177-2ARZ-R7 amplifier shows minimal differences in performance between the two inputs. This helps to ensure that the amplifier remains stable and also helps to minimise distortion levels at higher frequencies.The amplifier is designed to provide excellent common-mode and power supply rejection. This ensures that the output will remain unaffected by common-mode signals which may be present on the input, as well as any changes in the power supply. This allows the ADA4177-2ARZ-R7 to be used in low-noise environments where common-mode noise levels may be present.The ADA4177-2ARZ-R7 also features a high input impedance, allowing it to be used in applications where it is not necessary to provide an external source of input current. This helps to further increase the stability of the amplifier and also helps to minimise distortion levels at higher frequencies.The ADA4177-2ARZ-R7 is also capable of providing a high slew rate, allowing it to respond rapidly to input signals and also allowing it to handle high frequency applications.Overall, the ADA4177-2ARZ-R7 is an excellent choice of operational amplifier for a variety of applications. Its wide operating voltage range, low quiescent current and high input impedance make it well suited to use in instrumentation, audio, and other general-purpose applications. In addition, its high slew rate and excellent common-mode rejection capabilities ensure that it can be used in low-noise environments without compromising performance.

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