LMP8674MA/NOPB

Voltage - Input Offset:	100µV
Base Part Number:	LMP8674
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	±2.5 V ~ 22 V
Current - Output / Channel:	26mA
Current - Supply:	20mA
Series:	--
Current - Input Bias:	10nA
Gain Bandwidth Product:	55MHz
Slew Rate:	20 V/µs
Output Type:	--
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Last Time Buy
Packaging:	Tube

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The LMP8674MA/NOPB is a monolithic integrated amplifier from Texas Instruments that offers excellent performance in a variety of applications. It is an instrumentation amplifier (INAMP) and is suitable for use in both low- and high-impedance circuits. The device is also suitable for use in many buffer and voltage follower amplifier configurations, as well as for power conditioning and gain control applications. The device has an extremely low input bias current that makes it ideal for use in high-impedance circuits, and has a wide range of input voltage levels. The device also features a wide common-mode range and output current capability, which makes it a great choice for power conditioning applications.

It is built using Texas Instruments\' advanced BiCMOS technology, making it a highly reliable device with very low power consumption. The fact that the device is also available in a surface mount packaging makes it ideal for use in space-constrained applications. The LMP8674MA/NOPB is also designed to meet the RoHS standards and is lead-free and Halogen-free.

The LMP8674MA/NOPB is a single-supply device, and requires a single power supply of +4.5V to +13.8V for operation. The device has an open-loop gain of 1000V/V, a power supply rejection ratio (PSRR) of 85dB and a total harmonic distortion + noise (THD+N) of 0.1%. The output voltage swing is from a maximum of +13.5V to a minimum of -13.5V. The device has a slew rate of 500V/μsec and a bandwidth of 1MHz. It is also capable of driving a load of up to 400mA.

The LMP8674MA/NOPB operates on the principle of inverting the differential input signal, amplifying the signal, and then sending this amplified signal to the non-inverting output using a single-supply operational amplifier. This operational amplifier utilizes both a voltage gain and a current gain. The voltage gain is determined by the open-loop gain of the amplifier, while the current gain is determined by the current feedback network that is used to create the closed-loop gain of the device. The closed-loop gain of the device is achieved by setting the resistor value in the current feedback network to a predetermined value. The resistor value used in this network determines the amount of gain that is obtained from the device. The current feedback network is also used to limit the bandwidth of the device, so that the device does not have excessive high-frequency noise or distortion.

In addition to its use as an instrumentation amplifier (INAMP), the LMP8674MA/NOPB is also suitable for use in many buffer and voltage follower amplifier configurations. In a buffer amplifier configuration, the device can be used to amplify a signal from a low-impedance source, such as a microphone, to a higher-impedance destination, such as a circuit driving a speaker. In a voltage follower amplifier configuration, the device is used to create a voltage follower circuit, which is a circuit that amplifies a signal to a lower voltage level and then sends it back to the input. The device is also suitable for use in power conditioning applications, where its wide common-mode range and current capability can be used to create a regulated power supply to operate other devices. Finally, the device is suitable for use in gain control applications. By varying the resistor value in the current feedback network, the gain of the device can be adjusted to obtain the desired signal level. The LMP8674MA/NOPB is quite versatile and can be used in a variety of applications. Its low power consumption, low bias current, wide common mode range, and wide output voltage swing make it an ideal choice for maximizing performance while minimizing power consumption.

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