OPA2316IDRGR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Amplifier Type:	CMOS
Number of Circuits:	2
Output Type:	Rail-to-Rail
Slew Rate:	6 V/µs
Gain Bandwidth Product:	10MHz
Current - Input Bias:	5pA
Voltage - Input Offset:	500µV
Current - Supply:	400µA
Voltage - Supply, Single/Dual (±):	1.8 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-SON (3x3)

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Introduction

The OPA2316IDRGR is a high-accuracy, low-noise operational amplifier for applications in instrumentation and linear systems. This device is manufactured by Burr-Brown, and its working principle is based on the differential-amplifier architectures. It boasts of high accuracy and stability combined with low voltage offsets, and ultra-low noise figures. As a result, it is a widely used device for precision measurement applications and tracking systems.

Features and Specifications

This amplifier is equipped with a minimum gain of 0.3V/uV, low input and input bias current, guaranteed bandwidth up to 100kHz, and less than 3V of supply voltage. It offers excellent temperature stability and accuracy, with an open-loop voltage gain of 1,000V/uV and a voltage offset of 50uV. Its noise-figure is over 15dB, while the device maintains a common-mode rejection ratio of 80dB. Its CMRR is greater, than 100dB.

Applications

The OPA2316IDRGR operational amplifier is used primarily for performance-sensitive applications, requiring high-accuracy and stability across a broad input voltage range. It is widely used in instrumentation and measurement equipment, including medical and laboratory equipment, surveillance systems, and tracking systems. It is also used in various industrial applications and control systems, temperature- and pressure-to-voltage conversion, signaling, and signal-conditioning systems.

Working Principle

This device is based on differential-amplifier architectures, which mainly consist of two input transistors and one or more output transistors. Differential amplification involves the use of two inputs, known as the non-inverting and inverting inputs, which are used to take two separate inputs. The differential stage converts the input signals into an amplified output, which is often referenced to ground. The atenuated output of this stage is further amplified with the help of feedback and active loads. In the OPA2316IDRGR, the differential stage consists of two MOSFETS, which respond differently with regard to the current and voltage at the two input terminals. This creates a signal at the output Terminal, which is a replica of the signal at the two input terminals. This signal is further amplified and compared to the input signal to increase its gain.

Conclusion

The OPA2316IDRGR is an excellent operational amplifier, designed to provide high accuracy and stability in instrumentation and linear applications. It features ultra-low noise, low offset and input bias current, and high common-mode rejection ratio. It is used in various applications, including surveillance systems, temperature- and pressure-to-voltage conversion, signaling, signal-conditioning systems, industrial applications and control systems, and medical and laboratory equipment. This device is based on the differential-amplifier architectures, which mainly consist of two input transistors and one or more output transistors.

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