LM2904N/NOPB

Voltage - Input Offset:	2mV
Base Part Number:	LM2904
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	3 V ~ 26 V, ±1.5 V ~ 13 V
Current - Output / Channel:	40mA
Current - Supply:	1mA
Series:	--
Current - Input Bias:	45nA
Gain Bandwidth Product:	1MHz
Slew Rate:	0.1 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction to LM2904N/NOPB

The LM2904N/NOPB is a low-power monolithic amplifier designed for use in instrumentation, signal conditioning and other precision control applications. The device features high gain and low noise, wide dynamic range and high accuracy. Its high dynamic range, combined with its user-selectable design, make it an ideal choice for cost-effective solutions in instrumentation and precision control applications.

Applications

The LM2904N/NOPB is commonly used in signal conditioning and instrumentation applications such as:

• Gain and attenuation control
• Signal conditioners for thermocouples, strain gauges and other transducers
• Power supply regulators and converters
• Calibrators and signal processors
• Voltage comparators
• Error amplifiers and voltage reference circuits

It is also used in a variety of industrial and consumer applications such as measurement equipment, medical and laboratory instruments, telecommunications systems and security systems.

Features

The LM2904N/NOPB offers the following features:

• Wide gain bandwidth (1MHz) and low noise
• High input impedance (800k ohms)
• Low supply current (700µA)
• Low distortion (0.2%)
• Low offset voltage (3mV)
• High common-mode rejection (90dB)
• User-selectable operating temperature range

These features make the LM2904N/NOPB ideal for low-power and low-distortion applications.

Working Principle

The LM2904N/NOPB is a high-gain, wide-bandwidth operational amplifier (op-amp) which utilizes a push-pull output configuration. The low-noise input stage operates at unity gain and consists of two matched transistors. The output stage is an emitter-coupled push-pull amplifier with a low output impedance and a wide dynamic range. The device operates from a single power supply, typically between 4.5V and 18V DC. In order to provide maximum versatility, the operating temperature range is selectable by the user.

Conclusion

The LM2904N/NOPB is a low-power and low-distortion operational amplifier designed for use in instrumentation, signal conditioning and other precision control applications. Its features include high gain and low noise, wide dynamic range and high accuracy, making it an ideal choice for cost-effective solutions. The device is also useful in a variety of other applications, including measurement equipment, medical and laboratory instruments, telecommunications systems and security systems.

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