OPA404SG

Series:	Difet®
Packaging:	Tube
Part Status:	Not For New Designs
Amplifier Type:	General Purpose
Number of Circuits:	4
Output Type:	--
Slew Rate:	35 V/µs
Gain Bandwidth Product:	6.4MHz
Current - Input Bias:	1pA
Voltage - Input Offset:	260µV
Current - Supply:	9mA
Current - Output / Channel:	10mA
Voltage - Supply, Single/Dual (±):	10 V ~ 36 V, ±5 V ~ 18 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	14-CDIP (0.300", 7.62mm)
Supplier Device Package:	14-CDIP
Base Part Number:	OPA404

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Linear Amplifiers - Instrumentation, OP Amps, Buffer Amps

The OPA404SG operational amplifier (Op Amp) is an instrumentation-grade amplifier designed for demanding applications that require high-performance, ultra- low-noise, high-gain accuracy and speed. Boasting an impressive combination of features, the OPA404SG is one of the industry’s best solutions to application requirements that require high performance, accuracy, and reliability.

What is OPA404SG?

The OPA404SG is a high-precision, low-power, single-ended, dual-polarity, low-voltage monolithic integrated circuit (LMIC). It has been designed for demanding instrumentation, audio, and other applications that require excellent sound quality and performance. It has a wide operating voltage range and can operate from a single supply source up to 20 Volts. The OPA404SG is offered in a wide variety of standard packages, including a unique 14-pin SOIC that’s perfect for prototyping and evaluation.

OPA404SG Application Field

The OPA404SG is ideally suited for a variety of instrumentation applications, such as medical instrumentation, ultrasound imaging, process control, optical sensing, and various general Purpose and audio applications. Its low voltage and low current requirement make this part a great choice for portable and battery-powered products. Additionally, the OPA404SG’s low-noise feature allows it to be used in a variety of studio and broadcast applications, where excellent sound quality is a requirement.

OPA404SG Working Principle

The OPA404SG is a rail-to-rail Op Amp designed specifically for instrumentation and audio applications. It utilizes a folded-cascode topology that provides high gain and low noise over a wide supply range. This topology also ensures extremely low distortion, big signal handling capability, high common mode rejection ratio (CMRR), and improved pulse response. This Op Amp can operate at a voltage range of +2 V to +20 V and features a wide common-mode range (CMR) of -2 V to +18 V. The gain bandwidth product of 400 kHz makes this amplifier suitable for fast transients and allows it to be used in high-speed applications. The OPA404SG has an output voltage swing of ± 8V and an output current capability of ±20mA.

Conclusion

The OPA404SG is a versatile instrumentation-grade op-amp with outstanding performance characteristics. It is ideally suited for instrumentation and audio applications demanding high-gain accuracy, ultra-low noise and speed. Its low power and low voltage operating characteristics make it ideal for portable and battery-powered products. Additionally, its low-noise feature ensures excellent sound quality that is ideal for studio and broadcast applications. The OPA404SG’s high-gain accuracy, ultra-low noise, and speed make it an excellent choice for instrumentation and audio applications.

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