LM2904D

Voltage - Input Offset:	3mV
Base Part Number:	LM2904
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	3 V ~ 26 V, ±1.5 V ~ 13 V
Current - Output / Channel:	30mA
Current - Supply:	1mA
Series:	--
Current - Input Bias:	20nA
Gain Bandwidth Product:	700kHz
Slew Rate:	0.3 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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LM2904D is a dual operational amplifier, the very popular general-purpose linear amplifiers series in the market. It is capable of achieving a wide input common-mode range and great audio-frequency performance while providing excellent temperature stability. Since LM2904D offers a wide range of operation including all the way up to audio frequencies, it is applicable to many different applications including instrumentation, buffer amplifiers, and other operations.Application FieldThe LM2904D is ideal for a wide variety of electronics applications. It can be used in precision instrumentation applications such as strain gauges, bridge circuits, and measurement systems. It is also used in projects that involve signal conditioning and signal isolation.Other applications include audio amplifiers and servo amplifiers. It is the ideal choice for applications that require the use of low-frequency audio amplifiers with high voltage gain. It can be used for simple audio reproduction such as loud speakers.Because of its dual operational amplifier design, it can also be used for complex tasks such as feedback control and oscilloscope compensation systems. It can be used as part of motor controllers or other relatively complex systems.Working PrincipleThe LM2904D is an integrated circuit amplifier composed of two identical operational amplifiers with very low input offset voltage and bias current. The amplifiers are internally compensated and offer an extremely low noise level at a wide temperature range.The two operational amplifiers can be used independently or in combination. In the combination configuration, the two amplifiers act as a single unit, providing a high gain-bandwidth product and excellent noise performance. The configuration of the device can be changed depending on the application.The operational amplifiers are well-suited for high-speed applications and can be used in a wide range of applications involving signal conditioning and signal isolation. When used for audio applications, the LM2904D provides an excellent signal-to-noise ratio, making it the ideal choice for high-fidelity audio systems.One of the main advantages of the LM2904D is its low power consumption. It is designed with a maximum quiescent current of 2.5mA and can be powered with a supply voltage of up to 7.5V. This makes the LM2904D an ideal choice for portable devices and for systems that require low power consumption.ConclusionThe LM2904D is a versatile and reliable dual operational amplifier which is highly suitable for applications involving signal conditioning and signal isolation. It is well-suited for use in audio, servo, and instrumentation applications. Thanks to its dual operational amplifier design, the LM2904D can handle complex tasks such as feedback control and oscilloscope compensation systems. It also provides an excellent signal-to-noise ratio and can be powered with a supply voltage of up 7.5V, making it ideal for portable devices and systems that require low power consumption.

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