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The LM386 audio power amplifier is primarily used in low-voltage consumer products. To minimize external components, the voltage gain is internally set to 20. However, by adding an external resistor and capacitor between pins 1 and 8, the voltage gain can be adjusted to any value up to 200.
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| LM386M-1译文.pdf | LM386M-1译文 | - |
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The PAM8403 stereo power amplifier provides Class D efficiency with AB amplifier performance. It features low noise and eliminates the need for traditional D-class amplifier output low-pass filters due to its filterless structure. Requiring minimal peripheral components, it saves PCB space and system costs, making it an ideal choice for portable applications. The PAM8403 achieves over 85% efficiency in delivering 3W of power, and includes system shutdown and mute control functions. Its unique circuit architecture enhances noise immunity and reduces RF interference.
The LM4890S audio power amplifier is primarily designed for demanding applications in mobile phones and other portable communication devices. It is capable of delivering 0.5W of continuous average power into an 8Ω BTL load from a 5V DC power supply with less than 1% total harmonic distortion plus noise (THD+N).
The SL8002A is a Class AB, single-channel bridge audio power amplifier with shutdown mode. It provides a maximum driving power of 3W (4 ohm load, THD <10%) and 2W (4 ohm load, THD <1%) at 5V operating voltage with a 1kHz input signal. Total harmonic distortion and noise within the audio frequency range are less than 1% (20 Hz to 20 kHz). The SL8002A application circuit is simple, requiring only a minimal number of external components to deliver high-quality output power. The SL8002A output does not require external coupling capacitors, bootstrap capacitors, buffer networks, or feedback resistors.
SL2177F (dual) and SL4177F (quad) are low-offset operational amplifiers featuring high input impedance and output swing capability within 200mV of the supply rails. Their input common-mode voltage range extends to the negative supply rail. They utilize Trim technology for offset voltage calibration, resulting in exceptionally low offset voltage (typical value of 50μV).
The SL348 (single), SL2348 (dual) and SL4348 (quad) are low voltage micro power CMOS voltage feedback operational amplifiers. With an excellent bandwidth of 1.1MHz, a slew rate of 0.8V/μs, and a quiescent current of 85μA per amplifier at 5V, the SLx348 family can be designed into a wide range of applications. The op-amps are specifically designed for general-purpose applications with optimal performance. They have a wide input common-mode voltage range and output voltage swing, and the maximum input offset voltage are 3.5mV. These parts provide rail-torail output swing into heavy loads. The SLx348 family is specified for single or dual power supplies of +1.8V to +5.5V. All models are specified over the extended industrial temperature range of ?40℃ to +125℃. The SL348 is available in 5-lead SC70 and SOT-23, and 8-lead SOP packages. The SL2348 is available in 8-lead MSOP, DFN2*2 and SOP packages. The SL4348 is available in 14-lead TSSOP and SOP packages.
The SL9061 is a single channel low voltage (1.5V to 5.5V) operational amplifiers (opamps) with railto-rail input and output swing capabilities. These devices are very suitable for applications where low voltage operation, a small footprint, and high capacitive load drive are required.
SL721 (single), SL722 (dual), SL723 (single with shutdown), and SL724 (quad) is a versatile operational amplifier with low noise, low voltage, and low power consumption, suitable for a wide range of applications. With an 11MHz gain-bandwidth product and 10V/μs slew rate, the S L7 21/2/3/4 are low-noise, low-voltage, low-power operational amplifiers with a power-down disable function that reduces supply current to less than 1μA. S L723 has a powerdown disable function that reduces the supply current to less than 1 μA.
The SL348 (single), SL2348 (dual) and SL4348 (quad) are low voltage micro power CMOS voltage feedback operational amplifiers. With an excellent bandwidth of 1.1MHz, a slew rate of 0.8V/μs, and a quiescent current of 85μA per amplifier at 5V, the SLx348 family can be designed into a wide range of applications. The SLx348 op-amps are specifically designed for general-purpose applications with optimal performance. They have a wide input common-mode voltage range and output voltage swing, and the maximum input offset voltage are 3.5mV. These parts provide rail-to-rail output swing into heavy loads. The SLx348 family is specified for single or dual power supplies of +1.8V to +5.5V. All models are specified over the extended industrial temperature range of ?40℃ to +125℃. The SL348 is available in 5-lead SC70 and SOT-23, and 8-lead SOP packages. The SL2348 is available in 8-lead MSOP, DFN2*2 and SOP packages. The SL4348 is available in 14-lead TSSOP and SOP packages.
