LM4877ITP/NOPB

Product Overview

Use

It is used for amplifying audio signals in various electronic devices such as mobile phones, tablets, and portable media players.

Characteristics

High efficiency
Low quiescent current
Superior audio quality

Package

The LM4877ITP/NOPB comes in a small outline package (SOP) with 8 pins.

Essence

The essence of LM4877ITP/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient package.

Packaging/Quantity

The LM4877ITP/NOPB is typically packaged in reels containing 2500 units.

Specifications

Power Supply Voltage: 2.7V to 5.5V
Output Power: 3W at 10% THD+N into 4Ω
Shutdown Current: 0.6μA (typical)
Quiescent Current: 4mA (typical)

Detailed Pin Configuration

VDD - Power supply voltage input
GND - Ground
SHUTDOWN - Shutdown control input
IN- - Negative audio input
IN+ - Positive audio input
BYPASS - Bypass capacitor connection
OUT - Audio output
VSS - Ground

Functional Features

Low shutdown current
Thermal shutdown protection
Short-circuit protection
Unity-gain stable

Advantages and Disadvantages

Advantages

Small form factor
Low power consumption
High audio quality

Disadvantages

Limited output power compared to larger amplifiers
Requires external components for operation

Working Principles

The LM4877ITP/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It utilizes a low quiescent current design to minimize power consumption while delivering high-quality audio output.

Detailed Application Field Plans

The LM4877ITP/NOPB is suitable for use in various portable electronic devices, including: - Mobile phones - Tablets - Portable media players - Bluetooth speakers

Detailed and Complete Alternative Models

Some alternative models to LM4877ITP/NOPB include: - LM4863 - LM4894 - TPA2012

In conclusion, the LM4877ITP/NOPB is a versatile audio amplifier that offers high efficiency, low power consumption, and superior audio quality. Its compact package and functional features make it an ideal choice for portable electronic devices requiring audio amplification.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM4877ITP/NOPB dalam solusi teknis

Question: What is the maximum power output of LM4877ITP/NOPB?
Answer: The LM4877ITP/NOPB has a maximum power output of 3W per channel into an 8Ω load.
Question: What is the recommended operating voltage range for LM4877ITP/NOPB?
Answer: The recommended operating voltage range for LM4877ITP/NOPB is 2.7V to 5.5V.
Question: Can LM4877ITP/NOPB be used in portable audio applications?
Answer: Yes, LM4877ITP/NOPB is suitable for portable audio applications due to its low power consumption and small footprint.
Question: Does LM4877ITP/NOPB require external heat sinking?
Answer: No, LM4877ITP/NOPB does not require external heat sinking under normal operating conditions.
Question: What is the typical total harmonic distortion (THD) of LM4877ITP/NOPB?
Answer: The typical THD of LM4877ITP/NOPB is 0.1% at 1W into 8Ω.
Question: Is LM4877ITP/NOPB suitable for driving headphones?
Answer: Yes, LM4877ITP/NOPB can drive headphones with an appropriate output configuration.
Question: What is the shutdown current of LM4877ITP/NOPB?
Answer: The shutdown current of LM4877ITP/NOPB is typically 0.6μA.
Question: Can LM4877ITP/NOPB operate from a single supply?
Answer: Yes, LM4877ITP/NOPB can operate from a single supply, simplifying its application in many systems.
Question: What is the thermal shutdown temperature of LM4877ITP/NOPB?
Answer: The thermal shutdown temperature of LM4877ITP/NOPB is typically 150°C.
Question: Does LM4877ITP/NOPB have built-in short-circuit protection?
Answer: Yes, LM4877ITP/NOPB features built-in short-circuit and thermal overload protection for added reliability.