BU7291SG-TR Integrated Circuits (ICs)

Voltage - Input Offset:	1mV
Base Part Number:	BU7291
Supplier Device Package:	5-SSOP
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Voltage - Supply, Single/Dual (±):	2.4 V ~ 5.5 V, ±1.2 V ~ 2.75 V
Current - Output / Channel:	16mA
Current - Supply:	470µA
Series:	--
Current - Input Bias:	1pA
Gain Bandwidth Product:	2.8MHz
Slew Rate:	3 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

IntroductionBU7291SG-TR (“BU7291”) is a linear integrated circuit designed for use as a power amplifier. The BU7291SG-TR has a high input impedance and low output impedance, making it ideal for use in instrumentation, op amps, buffer amplifiers, and other applications where a low impedance amplifier with power gain is required. Application FieldBU7291SG-TR is commonly used in the fields of instrumentation, op amps, buffer amplifiers, and other applications which require a low impedance amplifier with power gain. The BU7291 has a wide range of applications:

• Instrumentation: The BU7291SG-TR is often used in instrumentation to drive electrical systems and signals. It has been successfully used in applications such as signal processing, signal conditioning, and voltage regulation.
• Op Amps: The BU7291SG-TR is an ideal op amp due to its wide frequency range and high common-mode rejection. It is often used in audio applications such as measurement or processing.
• Buffer Amplifiers: The BU7291SG-TR is well-suited for use as a buffer amplifier. It is often used for isolating load impedances when driving higher levels of signal.
• Other Applications: The BU7291SG-TR is often used in power amplifiers, amplifiers with digital inputs, switching circuits, and automatic gain control circuits. It is also used in other applications such as signal conditioning, voltage regulation, and signal processing.

Working PrincipleThe BU7291SG-TR has a gain of 10dB with a 3-stage structure, consisting of a balanced input, differential amplifier, and output stages. The input stage has a differential gain of 20dB; the differential amplifier has a gain of 5dB while the output stage has a gain of 8dB. The BU7291SG-TR is able to maximize its gain while minimizing the source impedance of the signal, allowing it to be used in applications that require high-power gain or low-impedance amplification.The BU7291SG-TR uses a low-noise gain-selectable voltage-mode compensation method in order to provide both wide bandwidths and small temperature drift. The BU7291SG-TR also has a low-voltage operation, allowing it to be used in battery-powered circuits. The device has an external capacitor for a wide frequency range selection of 100kHz to 8MHz.In addition, the BU7291SG-TR is designed to provide a high-performance output stage with a low power consumption. The device features a high output current capability of more than 4A and a low output voltage drop of 0.2V. This allows the BU7291SG-TR to drive a wide range of loads without affecting the overall performance of the system.Finally, the BU7291SG-TR includes a power-on reset, thermal shut-down, over-current protection and soft-start functions to protect the circuit from damage due to fault conditions. The device also features output disable/enable allows for shutdown of the device when not in use.ConclusionOverall, the BU7291SG-TR is an ideal low impedance amplifier with power gain for applications such as instrumentation, op amps, buffer amplifiers, and other applications. The BU7291SG-TR has a gain of 10dB, a wide frequency range of 100kHz to 8MHz, and a low power consumption. It is designed to provide a high-performance output stage, as well as protection functions like power-on reset, thermal shut-down, over-current protection, and soft-start.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description