OPA2228U/2K5

Voltage - Input Offset:	5µV
Base Part Number:	OPA2228
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	5 V ~ 36 V, ±2.5 V ~ 18 V
Current - Output / Channel:	45mA
Current - Supply:	3.7mA
Series:	--
Current - Input Bias:	2.5nA
Gain Bandwidth Product:	33MHz
Slew Rate:	11 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

OPA2228U/2K5 application field and working principle

The OPA2228U/2K5 is a high-performance operational amplifie, designed specifically to be low noise, low distortion, and offer a low power consumption while providing superior linearity, while maintaining high reliability. The OPA2228U/2K5 is suited for a wide range of applications including communications, medical, multimedia, consumer electronics, audio and video, instrumentation, and industrial control.The OPA2228U/2K5 has a wide range of input and output currents that can be used to drive both analogue and digital signals. It has an ultra-low offset voltage of 250μV, and an offset voltage drift of 0.5μV/°C over its operating temperature range. In addition, the amplifier has a low noise of 4nV/√Hz and a high slew rate of 13 V/μs.In order to understand its working principle, we must first look at what an operational amplifier is. An operational amplifier is an electronic device composed of several components that amplifies or strengthens a signal. It is used in several applications in electronics, but the most common ones are found in instrumentation and medical equipment. The operational amplifiers are characterised by their high performance (low noise, low distortion, high linearity) and they can be used to cascade several components in a design and get better performance from them.The OPA2228U/2K5 is an integrated circuit (IC) composed of several transistors, resistors and capacitors. The transistors are used to amplify the input voltage, generating an output voltage that is equal to the amplified value of the input voltage. This is made up of a non-inverting input and an inverting input and a feedback resistor that can be used to control the gain of the amplifie. The amplifie is split into three stages; the first stage of the amplifie is the input stage, this is where the power is supplied. The second stage is the emitter follower, this increases the current available to the output and also reduces the input impedance. The last stage of the amplifie is the output stage, this converts the input voltage into the output voltage, and this is what supplies the load. The OPA2228U/2K5 is a rail-to-rail type amplifie meaning it can be used with both single and dual power supply systems. It has an input common mode voltage range of 0 to 3V and an output voltage range of 0 to 5V. The amplifie has a high power supply rejection of 78dB and a low harmonic distortion of 0.0005%.In conclusion, the OPA2228U/2K5 is a high-performance operational amplifie that is perfect for a wide variety of applications due to its low noise, low distortion, high linearity, and low power consumption. The amplifie uses several different stages to amplify its signals and can be used for both single and dual power supply systems. Its wide range of input and output currents makes it ideal for use in analogue and digital signals. Furthermore, it has an ultra-low offset voltage, a low noise and a high slew rate. It is an ideal choice for a variety of applications like communications, medical, multimedia, consumer electronics, audio and video, instrumentation, and industrial control.

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