LM3900D

Current - Input Bias:	30nA
Base Part Number:	LM3900
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Single/Dual (±):	4.5 V ~ 32 V, ±2.2 V ~ 16 V
Current - Output / Channel:	10mA
Current - Supply:	6.2mA
Series:	--
Gain Bandwidth Product:	2.5MHz
Slew Rate:	20 V/µs
Output Type:	--
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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LM3900D Application Field and Working Principle

The LM3900D is a dual operational amplifier integrated circuit that is widely used in audio, measurement and control applications. This type of operational amplifier is capable of producing large dynamic range outputs, high speed and low noise operation, making it ideal for applications requiring high dynamic range and low power consumption.The LM3900D features a wide range of features including an adjustable output current limit, multiple input ranges and a negative power supply. Because of its wide range of features, it is suitable for use in a range of applications, from audio circuits to signal processing and measurement.In audio applications, the LM3900D is commonly used as a voltage controlled amplifier, allowing for accurate volume control in audio systems. In measurement applications, the device can be used to improve the signal-to-noise ratio of an analog-to-digital converter, or to reduce signal distortion in an instrumentation system. In signal processing applications, the operational amplifier is often used to filter, amplify and limit signal waveforms.The LM3900D works on the principle of an inverting operational amplifier. In an inverting amplifier, the input signal is inverted and then amplified by a certain amount, determined by the gain setting of the amplifier. The LM3900D has two independent outputs, which can be used in an inverting or non-inverting configuration.In the inverting configuration, the input signal is applied to the negative input terminal and the output signal is taken from the positive output terminal. In the non-inverting configuration, the input signal is applied to the positive input terminal and the output signal is taken from the negative output terminal. Both configurations use the same gain setting, and the output level can be adjusted with the range control.The LM3900D can be connected to a direct current power supply, or it can be powered from a single supply, using either a voltage regulator or a current regulator. This flexibility makes the LM3900D ideal for many applications, as it can be powered from a wide range of sources.In order to ensure reliable and consistent operation, the LM3900D includes various protection features. These include a gain limit control, which prevents the amplifier from going into saturation, and a thermal shutdown circuit, which shuts down the power supply if the device gets too hot.The LM3900D is available in a range of packages, including single in-line, dual in-line and surface mount packages, making it suitable for applications where space is at a premium. In addition, the device has a wide operating temperature range and can operate over a wide range of voltages.In summary, the LM3900D is a dual operational amplifier integrated circuit that is widely used in audio, measurement and control applications. It features a wide range of features, including adjustable output current limit, multiple input ranges and a negative power supply. The device works on the principle of an inverting operational amplifier, and can be powered from a direct current power supply, or from a single supply, using either a voltage regulator or a current regulator. It is available in a range of packages and has a wide operating temperature range and can operate over a wide range of voltages. The LM3900D is the ideal choice for applications requiring high dynamic range and low power consumption.

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