Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - Low power consumption - High efficiency - Small package size - Wide operating voltage range
Package: Thin Shrink Small Outline Package (TSSOP)
Essence: The LM48557TL/NOPB is a low-power audio amplifier IC designed for portable electronic devices such as smartphones, tablets, and portable media players.
Packaging/Quantity: The LM48557TL/NOPB is typically sold in reels of 2500 units.
The LM48557TL/NOPB has a total of 20 pins arranged as follows:
Advantages: - Low power consumption extends battery life in portable devices - High efficiency reduces heat dissipation - Small package size allows for compact designs - Wide operating voltage range provides flexibility in various applications
Disadvantages: - Limited output power compared to larger audio amplifiers - Requires external components for proper operation - Sensitive to electromagnetic interference (EMI)
The LM48557TL/NOPB is a class D audio amplifier that utilizes pulse-width modulation (PWM) to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to drive the connected speakers or headphones.
The integrated boost converter increases the supply voltage to ensure sufficient power delivery to the speakers, while the pop and click suppression circuitry eliminates any unwanted noise during power-up and shutdown.
The LM48557TL/NOPB is commonly used in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles
Its low power consumption, small package size, and high efficiency make it ideal for battery-powered devices where space and energy efficiency are crucial.
These alternative models offer different features and specifications, providing options for various audio amplification requirements.
Question: What is the maximum output power of LM48557TL/NOPB?
Answer: The LM48557TL/NOPB has a maximum output power of 1.1W per channel into an 8Ω load.
Question: What is the input voltage range for LM48557TL/NOPB?
Answer: The input voltage range for LM48557TL/NOPB is 2.7V to 5.5V.
Question: Can LM48557TL/NOPB operate in a stereo or mono configuration?
Answer: Yes, LM48557TL/NOPB can operate in both stereo and mono configurations.
Question: What is the typical shutdown current of LM48557TL/NOPB?
Answer: The typical shutdown current of LM48557TL/NOPB is 0.01µA.
Question: Does LM48557TL/NOPB have built-in short-circuit and thermal protection?
Answer: Yes, LM48557TL/NOPB features built-in short-circuit and thermal protection.
Question: What is the typical quiescent power supply current of LM48557TL/NOPB?
Answer: The typical quiescent power supply current of LM48557TL/NOPB is 2.5mA.
Question: Can LM48557TL/NOPB be used in portable audio applications?
Answer: Yes, LM48557TL/NOPB is suitable for use in portable audio applications.
Question: What is the recommended operating temperature range for LM48557TL/NOPB?
Answer: The recommended operating temperature range for LM48557TL/NOPB is -40°C to 85°C.
Question: Does LM48557TL/NOPB require external coupling capacitors?
Answer: No, LM48557TL/NOPB does not require external coupling capacitors.
Question: Is LM48557TL/NOPB RoHS compliant?
Answer: Yes, LM48557TL/NOPB is RoHS compliant.