LM4755TSX/NOPB Integrated Circuits (ICs) |
|
| Allicdata Part #: | 296-46304-2-ND |
| Manufacturer Part#: |
LM4755TSX/NOPB |
| Price: | $ 1.06 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC AMP AUDIO PWR 11W AB TO263-9 |
| More Detail: | Amplifier IC 2-Channel (Stereo) Class AB DDPAK/TO-... |
| DataSheet: |  LM4755TSX/NOPB Datasheet/PDF |
| Quantity: | 2000 |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
| 1 +: | $ 1.06000 |
| 10 +: | $ 1.02820 |
| 100 +: | $ 1.00700 |
| 1000 +: | $ 0.98580 |
| 10000 +: | $ 0.95400 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Type: | Class AB |
| Output Type: | 2-Channel (Stereo) |
| Max Output Power x Channels @ Load: | 11W x 2 @ 4 Ohm |
| Voltage - Supply: | 9 V ~ 32 V |
| Features: | Mute, Short-Circuit and Thermal Protection |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Supplier Device Package: | DDPAK/TO-263-9 |
| Package / Case: | TO-263-10 (9 Leads + Tab) |
| Base Part Number: | LM4755 |
Description
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LM4755TSX/NOPB is a linear audio power amplifier released by Texas Instruments in the audio market. The device is packaged in 8-pin 2mm TSSOP package and is designed specifically for closed-loop systems to reduce acoustic noise. LM4755TSX/NOPB provides 200 mW of output power into an 8Ω load at 5V supply, while offering very low distortion performance, excellent low frequency response, and wide output power supply range. This device is widely used in various applications such as portable audio players, headsets, telephones and much more.
Application Field
LM4755TSX/NOPB is mainly used as an audio power amplifier in audio systems. As the device offers very low distortion performance, it is widely used in portable audio players, headsets, telephones and other audio systems. This audio power amplifier is designed for high-performance audio playback with flexible output power and low-power consumption. The device is suitable for applications where enhanced audio quality is desired. It is also suitable for driving low and medium impedance speakers such as headphones and low impedance loudspeakers.
Working Principle
The working principle of LM4755TSX/NOPB is based on an active low-pass filter which reduces distortion without additional filter components. It uses a linearizing scheme which improves the linearity of the output waveform. The device utilizes a differential amplifier architecture to improve the linearity of the output and reduce the interaction between the input and output. The device has a fully differential input stage; the inputs and outputs can be configured in a differential or single ended format. LM4755TSX/NOPB is pre-compensated to maximize the performance at all frequencies. The gain and transfer function of the device are adjusted utilizing a comprehensive set of externally programmable resistors. The device also includes a dedicated supply voltage regulator which ensures a stable supply voltage. The output power control function is obtained from a separate supply voltage regulator. The output short circuit protection and thermal shutdown features are also included. The device features a low noise and high power performance as well as low total harmonic distortion performance.
To sum it up, LM4755TSX/NOPB is a linear audio power amplifier designed for closed-loop systems. This high-performance device provides excellent low frequency response and wide output power supply range. It is widely used in various applications such as portable audio players, headsets, telephones and more. The working principle of the device is based on an active low-pass filter and differential amplifier architecture improves the linearity of output waveform.
The specific data is subject to PDF, and the above content is for reference
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