VCA820IDG4

Voltage - Input Offset:	4mV
Base Part Number:	VCA820
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	±3.5 V ~ 6 V
Current - Output / Channel:	160mA
Current - Supply:	34mA
Series:	--
Current - Input Bias:	19µA
-3db Bandwidth:	168MHz
Slew Rate:	1700 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Variable Gain
Part Status:	Active
Packaging:	Tube

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VCA820IDG4 Application Field and Working Principle

The VCA820IDG4 is a quad low-power instrumentation, operational amplifier (op amp), buffer amplifier IC which is designed to provide outstanding performance, reliability and accuracy in most applications. This device can be used in various applications like audio filtering, signal conditioning, gain control, and signal processing. It is also used in automotive, consumer and industrial applications.The VCA820IDG4 is a high precision quad op amp offering optimal performance for most instrumentation applications. This IC provides single, dual, or quad high common mode rejection (CMMR when operated with a supply voltage between 4.5 and 5.5V. Its useful signal bandwidth is from DC up to 50kHz with supply voltages between 4.5 and 5.5V. The VCA820IDG4 also has an excellent output voltage swing of up to ± 10V. It has high slew rate and low distortion levels to ensure accurate and noise-free signals.This IC also offers excellent linearity and stability for most applications and comes with a wide range of features that are suitable for the most demanding applications. The VCA820IDG4 is available in a small quad-flat no-lead (QFN) package with a reduced thermal footprint which makes it suitable for most environments and applications.The working principle of the VCA820IDG4 is based on the op-amp concept. It uses an input voltage and converts it into an output voltage that is amplified by the power supply voltage. The operational amplifier works on the circuit theory of linearity and is capable of amplifying analog signals with very low noise and distortion levels.The output voltage of the VCA820IDG4 is controlled by the control terminal which is used to enable current sources into the cascade of differential amplifiers that are present in the chip. The current sources are then adjusted in such a way that the voltage at the output is proportional to the input voltage. The current source sinks current to ground when the output voltage is below a certain threshold thus making the output more linear.The VCA820IDG4 is suitable for applications like audio filtering, signal conditioning, gain control, and signal processing. With its high linearity, stability and accuracy, it is preferred in many applications including automotive, consumer and industrial. Its thermal footprint makes it suitable for most environments.

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