Allicdata Part #: | BA3121-ND |
Manufacturer Part#: |
BA3121 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ROHM Semiconductor |
Short Description: | IC AMP AUDIO STER AB 8DIP |
More Detail: | Amplifier IC 2-Channel (Stereo) Class AB 8-DIP |
DataSheet: | BA3121 Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Not For New Designs |
Type: | Class AB |
Output Type: | 2-Channel (Stereo) |
Max Output Power x Channels @ Load: | -- |
Voltage - Supply: | 4 V ~ 18 V |
Features: | -- |
Mounting Type: | Through Hole |
Operating Temperature: | -30°C ~ 85°C (TA) |
Supplier Device Package: | 8-DIP |
Package / Case: | 8-DIP (0.300", 7.62mm) |
Base Part Number: | BA3121 |
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BA3121 is a high-definition audio amplifier chip produced by Burr-Brown, one of the largest audio chip and power amplifier chip manufacturers in the world. It adopts a three-stage full-bridge modulation output structure, with the audio output current being linearly proportional to the power amplifier current. This makes the BA3121 an ideal choice for applications requiring very high-fidelity audio—sound quality obtained from the Chip is of unparalleled clarity and accuracy.
The BA3121 is a monolithic integrated circuit and consists of two internally matched audio amplifiers mounted on a single package. Each amplifier has an output stage that features a dual complementary NMOS (double-sided metal oxide semiconductor) differential pair for the output power. The output stage has two stages for protection and control of the amplifier. The first stage is a current protection and control circuit, which ensures a stable output and prevents excessive current, while the second stage is a voltage protection and control circuit, which prevents thermal runaway, supply voltages transients, and false signals.
The BA3121 also features a digitally-controlled slew rate control circuit, which enables the user to select one of four slew rate values. This allows the application to be tailored to the audio output requirements and offers several different parameters to adjust. The largest setting enables the amplifiers to reach peak output levels of 40 watts, while the lower settings are typically used to make vocals and bass sounds warmer and more robust.
One of the most impressive features of the BA3121 is its low distortion levels. At its highest output, the chip produces only 0.2% THD+N, making it ideal for ears sensitive to distortion. The chip also features low total harmonic distortion and excellent linearity with a flatter frequency response. This ensures that audio signals remain true and accurate.
The BA3121’s wide application range makes it an excellent choice for many audio applications, including home theater systems, car audio systems, portable media players, and active speakers. Additionally, thanks to its high fidelity and excellent linearity, the chip can also be used in high-end studio setups and sophisticated audio production Studios.
In conclusion, the BA3121 is a high-definition audio amplifier chip that provides exceptional sound quality with its low distortion levels, excellent linearity, and wide application range. Compatible with many audio applications and offering excellent protection and control features, the chip is an ideal choice for audio enthusiasts who wish to create detailed, accurate audio with the utmost clarity.
The specific data is subject to PDF, and the above content is for reference
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