LM4865MM/NOPB

Product Overview

Category: Audio Amplifier
Use: Audio amplification for portable devices
Characteristics: Low voltage operation, low quiescent current, small package size
Package: Miniature 8-pin SOIC package
Essence: High-quality audio amplification in a compact form
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 2.0V to 5.5V
• Output Power: 325mW at 3.3V, 10% THD+N, 16Ω load
• Quiescent Current: 1.6mA at 3.3V
• Shutdown Current: 0.6μA
• Gain: 24dB
• PSRR: 70dB at 217Hz
• SNR: 95dB A-weighted
• THD+N: 0.1% at 125mW, 16Ω load

Detailed Pin Configuration

1. IN- (Pin 1): Non-inverting input
2. IN+ (Pin 2): Inverting input
3. BP (Pin 3): Bypass pin
4. SHDN (Pin 4): Shutdown pin
5. VDD (Pin 5): Positive supply voltage
6. OUT (Pin 6): Output
7. GND (Pin 7): Ground
8. VSS (Pin 8): Negative supply voltage

Functional Features

• Low voltage operation for battery-powered applications
• Shutdown mode for power saving
• Thermal shutdown protection
• Short-circuit and thermal overload protection

Advantages and Disadvantages

Advantages: - Small package size for space-constrained designs - Low quiescent current for extended battery life - High-quality audio amplification

Disadvantages: - Limited output power for high-impedance loads - Requires external components for filtering and gain control

Working Principles

The LM4865MM/NOPB is an audio amplifier designed to provide high-quality audio amplification in portable devices. It operates on low voltage, making it suitable for battery-powered applications. The device features a shutdown mode for power saving and includes various protection mechanisms to ensure reliable operation.

Detailed Application Field Plans

The LM4865MM/NOPB is ideal for use in portable audio devices such as smartphones, tablets, portable media players, and handheld gaming consoles. Its low voltage operation and small package size make it well-suited for space-constrained designs where high-quality audio amplification is required.

Detailed and Complete Alternative Models

• TPA2012D2 from Texas Instruments
• MAX98306 from Maxim Integrated
• TS4990 from STMicroelectronics

This completes the entry for LM4865MM/NOPB according to the provided structure.