LM48824TMX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High efficiency - Low noise - Small package size - Wide supply voltage range

Package: TMX (Thin Shrink Small Outline Package)

Essence: The LM48824TMX/NOPB is a high-performance audio amplifier IC designed for portable devices such as smartphones, tablets, and portable media players. It provides high-quality audio amplification with low power consumption.

Packaging/Quantity: The LM48824TMX/NOPB is available in a TMX package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.1W per channel into 8Ω load at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM48824TMX/NOPB has the following pin configuration:

1. VDD: Positive power supply
2. SD: Shutdown control input
3. INL: Left channel audio input
4. GND: Ground
5. INR: Right channel audio input
6. OUTL: Left channel audio output
7. OUTR: Right channel audio output
8. Bypass: Bypass capacitor connection

Functional Features

• Class D amplifier architecture for high efficiency
• Pop and click suppression circuitry for smooth power-on/off transitions
• Thermal shutdown protection
• Short-circuit and overcurrent protection
• Low quiescent current in shutdown mode

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life for portable devices - Low noise ensures high-quality audio reproduction - Small package size allows for compact device designs - Wide supply voltage range provides flexibility in power supply options

Disadvantages: - Limited output power compared to larger audio amplifiers - Requires external components for proper operation

Working Principles

The LM48824TMX/NOPB is a class D audio amplifier, which uses pulse-width modulation (PWM) to amplify the audio signal. It converts the input audio signal into a series of pulses with varying widths, which are then amplified and filtered to produce the final audio output.

Detailed Application Field Plans

The LM48824TMX/NOPB is commonly used in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM48824TMX/NOPB include: - LM4863: Stereo 1.1W Audio Power Amplifier - TPA3110D2: 15-W Stereo Class-D Audio Power Amplifier - MAX98357A: Mono 3.2W Class D Amplifier

These alternative models offer similar functionality and can be considered as alternatives depending on specific requirements and design constraints.

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