LM324PWG4

Voltage - Input Offset:	3mV
Base Part Number:	LM324
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Single/Dual (±):	3 V ~ 32 V, ±1.5 V ~ 16 V
Current - Output / Channel:	40mA
Current - Supply:	1.4mA
Series:	--
Current - Input Bias:	20nA
Gain Bandwidth Product:	1.2MHz
Slew Rate:	0.5 V/µs
Output Type:	--
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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LM324PWG4 Application Field and Working Principle

Introduction

The LM324PWG4 is a quad operational amplifier integrated circuit that incorporates four independent op-amps into a single package. It has a high input impedance and a low output impedance and is primarily used for applications requiring the amplification of very low-level signals. The LM324PWG4 is stable, cost-effective, and easy to use, making it an ideal choice for many applications.

Application Field

The LM324PWG4 is commonly used in instrumentation, analog-to-digital, and data acquisition systems, as well as any other application requiring wideband amplification. The device is used to amplify very low-level signals such as those produced by thermocouples, strain gauges, and other sensors. It can also be used in radio receivers to amplify radio signals, or in power supplies as a voltage regulator or buffer.

Working Principle

The LM324PWG4 is a quad op-amp, meaning that it contains four independent op-amps in a single package. Each op-amp has two input terminals (non-inverting and inverting) and an output terminal. The two input terminals each have a gain associated with them. The non-inverting input has a gain of +1, while the inverting input has a gain of -1. When an input signal is applied to the amplifier, the input current will be multiplied by the gain to produce an amplified output voltage. The output voltage can be further adjusted using two external capacitors.The LM324PWG4 is designed to operate in both single-ended and differential operation modes. In single-ended mode, both inputs have the same virtual ground, whereas in differential mode, the output is the difference between the two inputs. In either mode, the output is a function of the input voltage and current as well as the gain and feedback resistors.

Conclusion

The LM324PWG4 is an inexpensive, versatile, and easy-to-use quad operational amplifier. It is suitable for a wide range of applications requiring wideband amplification, such as radio receivers, power supplies, analog-to-digital data acquisition systems, and thermocouple signal conditioning. The LM324PWG4 utilizes two resistors and two external capacitors to adjust the output voltage to the desired amplitude and to address any non-linearity in the amplifier. The LM324PWG4 is stable and robust, making it an ideal choice for many applications.

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