LM4835MTX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Mono Class AB Audio Power Amplifier - Low Quiescent Current - Wide Supply Voltage Range - Thermal Shutdown Protection - Short-Circuit Protection - Surface Mount Package

Package: 14-TSSOP

Essence: The LM4835MTX/NOPB is a mono class AB audio power amplifier designed for low-power applications. It provides high-quality audio amplification with low quiescent current consumption.

Packaging/Quantity: The LM4835MTX/NOPB is available in a 14-TSSOP package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.3W into 8Ω at 5V
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Quiescent Current: 4mA (typical)
• Shutdown Current: <1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4835MTX/NOPB has a 14-pin TSSOP package with the following pin configuration:

1. Shutdown
2. Bypass Capacitor
3. Input
4. Input
5. Ground
6. Output
7. Output
8. Gain Select
9. Gain Select
10. Mute
11. VDD
12. Bypass Capacitor
13. Bypass Capacitor
14. Thermal Pad

Functional Features

• Low quiescent current allows for longer battery life in portable devices.
• Wide supply voltage range enables operation with various power sources.
• Thermal shutdown protection prevents the IC from overheating.
• Short-circuit protection safeguards the amplifier and connected speakers.

Advantages

• High-quality audio amplification with low distortion.
• Compact surface mount package for space-constrained applications.
• Suitable for battery-powered devices due to low quiescent current.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Mono configuration may not be suitable for stereo applications.

Working Principles

The LM4835MTX/NOPB operates as a class AB audio power amplifier. It amplifies the input audio signal and delivers it to the connected speaker. The amplifier is designed to provide high-quality audio reproduction while minimizing power consumption.

Application Field Plans

The LM4835MTX/NOPB is commonly used in the following applications:

1. Portable audio devices
2. Mobile phones
3. Tablets
4. Bluetooth speakers
5. Gaming consoles

Alternative Models

Some alternative models that can be considered as replacements for the LM4835MTX/NOPB are:

1. LM4863: Stereo Class AB Audio Power Amplifier
2. TPA3116D2: Stereo Class D Audio Power Amplifier
3. MAX9744: Mono Class D Audio Power Amplifier

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific application requirements.

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