LM48580TL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Low power audio amplifier - Suitable for portable devices - High efficiency - Small package size - Low quiescent current

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: The LM48580TL/NOPB is a low power audio amplifier designed for use in portable devices. It provides high efficiency and low quiescent current, making it ideal for battery-powered applications.

Packaging/Quantity: The LM48580TL/NOPB is available in a TSSOP package. It 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) at 1kHz, 0.5W output power
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM48580TL/NOPB has a total of 20 pins. The pin configuration is as follows:

Pin 1: VDD Pin 2: GND Pin 3: SD Pin 4: SHUTDOWN Pin 5: INL- Pin 6: INL+ Pin 7: BYPASS Pin 8: OUTL Pin 9: NC Pin 10: NC Pin 11: NC Pin 12: NC Pin 13: NC Pin 14: OUTR Pin 15: BYPASS Pin 16: INR+ Pin 17: INR- Pin 18: SHUTDOWN Pin 19: SD Pin 20: GND

Functional Features

• Low quiescent current in shutdown mode
• Thermal shutdown protection
• Short-circuit and thermal overload protection
• Pop and click suppression circuitry
• Differential inputs for improved noise rejection
• Bypass mode for direct connection to external amplifier

Advantages and Disadvantages

Advantages: - High efficiency - Low power consumption - Small package size - Suitable for portable devices - Pop and click suppression - Thermal and short-circuit protection

Disadvantages: - Limited output power compared to higher wattage amplifiers - Not suitable for high-power audio applications

Working Principles

The LM48580TL/NOPB is a class AB audio amplifier that operates on a low supply voltage. It uses differential inputs to improve noise rejection and provides pop and click suppression during power-up and power-down transitions. The amplifier also includes thermal shutdown and short-circuit protection to ensure safe operation.

Detailed Application Field Plans

The LM48580TL/NOPB is commonly used in various portable audio devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM48580TL/NOPB include: - LM4861 - TPA2012D2 - MAX98357A

These alternative models offer similar functionality and are suitable for low-power audio amplification in portable devices.

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