OPA237UA

Voltage - Input Offset:	350µV
Base Part Number:	OPA237
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 (±):	2.7 V ~ 36 V, ±1.35 V ~ 18 V
Current - Output / Channel:	8mA
Current - Supply:	200µA
Series:	MicroAmplifier™
Current - Input Bias:	8.5nA
Gain Bandwidth Product:	1.5MHz
Slew Rate:	0.5 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

OPA237UA: Applications and Working Principle

One of the most popular models in the OPAx23x RRIO precision amplifier family from Texas Instruments is the OPA237UA, a high-performance and low-power precision bipolar-input RRIO (Rail-to-Rail Input and Output) amplifier. The OPA237UA is optimised for low-power, low-voltage operation, making it suitable for portable, energy-efficient instrument and data acquisition systems. This article will discuss the applications for the OPA237UA, as well as its working principle.

Applications

The OPA237UA is classified as an instrumentation amplifier and can be used in a range of applications requiring precision linearity. These include data acquisition systems, industrial and medical instrumentation, measuring and calibration systems, sensor interface and control systems, and automotive systems.The amplifier provides a high-input impedance, low-input bias current, and Rail-to-Rail input and output performance, making it suitable for use in low-level signal conditioning and sampling circuits. The low-power performance and wide temperature range allow the OPA237UA to be used in energy-efficient portable systems operating in extreme temperatures.

Working Principle

The OPA237UA has a low-power, bipolar-input RRIO operational amplifier circuit, with a gain accuracy of ±1%. The amplifier has a low-input bias current, which improves the linearity and reduces distortion. The amplifier also features an internally voltage-follower output stage, providing an output swing of up to 400 mV over supply rails.The amplifier uses a single +2.7V to +6.0V power supply, making it ideal for use in low-voltage, portable applications. The amplifier is also very efficient, drawing a low-power quiescent current of typically 75 µA.The amplifier is manufactured using a low-cost, small-outline package, making it suitable for use in high-density electronic systems.

Conclusion

The OPA237UA from Texas Instruments is a low-power, precision bipolar-input RRIO amplifier, providing high-linearity, low-input bias current, and Rail-to-Rail input and output performance. The amplifier is suitable for use in low-level signal conditioning and sampling circuits, and can be used in a range of applications requiring precision linearity, such as industrial and medical instrumentation, data acquisition systems, measuring and calibration systems, sensor interface and control systems, and automotive systems. The low-power performance and wide temperature range make the OPA237UA well-suited for energy-efficient portable systems.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description