OPA4353UAG4

Voltage - Input Offset:	3mV
Base Part Number:	OPA4353
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 (±):	2.5 V ~ 5.5 V, ±1.25 V ~ 2.75 V
Current - Output / Channel:	40mA
Current - Supply:	5.2mA
Series:	MicroAmplifier™
Current - Input Bias:	0.5pA
Gain Bandwidth Product:	44MHz
Slew Rate:	22 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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OPA4353UAG4 Application Field and Working Principle

The OPA4353UAG4 Operational Amplifier is a precision, low-noise instrumentation amplifier, specifically designed for transducer, medical, and industrial instrumentation applictions. This device is a high precision, low-power, low-offset linear amplifier designed to operate from a single supply, with very high-accuracy, high common-mode rejection (CMRR)and low-power dissipation and distortion. With a wide supply range of 1.3V to 5.5V and a large input common-mode voltage range of -0.3V to Vcc, this device is designed to provide high accuracy and excellent high common-mode rejection and low-power in a small, low-cost package.The OPA4353UAG4 has many features and benefits that make it the ideal solution for instrumentation applications. It has high accuracy, low power dissipation and low noise when operating from a 3V to 5V supply. Its low-power operation is uniquely suitable for battery powered applications, running on just 0.5mA. The OPA4353UAG4 also features an ultra-fast bevel-mode response for rapid settling times, and low-offset drift for greater accuracy.The operational amplifier is an analog circuit consisting of several transistors and resistors. It is an active component with two inputs and one output. The output of the op-amp is affected by the difference in voltage between its two inputs. This is a non-linear amplifier meaning that, it takes an input signal of varying voltage and increases its magnitude by a constant factor.The OPA4353UAG4 has a working principle slightly different than traditional operational amplifiers. It has an input stage with a differential-pair of transistors that operate in the cascode mode. This arrangement allows the OPA4353UAG4 to have a higher common-mode rejection ratio compared to traditional amplifiers and also provides improved stability of the input stage with respect to variations in temperature and component-aging.The OPA4353UAG4 is also designed with a second stage consisting of a current mirror as well as a third stage consisting of a differential amplifier. This amplifier configuration enables the OPA4353UAG4 to have a high common-mode rejection ratio and an extremely fast slew rate.The OPA4353UAG4 is designed for use in various instrumentation applications such as data acquisition, audioproucessing and industrial control. It is commonly used for low-noise, high-precision signal conditioning such as for medical and industrial instrumentation applications. Its low power dissipation makes it an ideal solution for battery powered operations, while its high-precision makes it well suited for precision measuring equipment and transducer testing. Additionally, its low offset and extremely fast slew rate capabilities makes it an excellent choice for high-frequency signal conditioning. In addition to its excellent performance parameters, the OPA4353UAG4 is also designed in many thermally enhanced packages to meet the needs of high-density and high-power applications. These packages include a variety of small-footprint plastic DFN packages and larger than plastic packages in industry standard PDIP, SOIC and MSOP formats.Overall, the OPA4353UAG4 is a high-accuracy, low-power linear amplifier with excellent common-mode rejection and low-noise designed for instrumentation applications. With its various thermally enhanced packages and low-power consumption also make it well suited for both stationary and battery powered operations. Its high common-mode rejection, low offset and fast slew rate capabilities make it an ideal choice for signal conditioning and for measuring transducers and transducer testing.

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