LM4890M/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio amplifier

Characteristics: - Mono audio amplifier - Low voltage operation - Small package size - High efficiency - Low distortion

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The LM4890M/NOPB is a mono audio amplifier IC designed for low voltage applications. It provides high-quality audio amplification with low distortion and high efficiency.

Packaging/Quantity: The LM4890M/NOPB is available in a 8-pin SOIC package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 1.1W (4Ω, 5V)
• Total Harmonic Distortion (THD): 0.1% (1kHz, 1.1W)
• Efficiency: 85%
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4890M/NOPB has the following pin configuration:

```

---

| | --| VDD GND|-- Pin 1: Ground --| IN+ SHDN|-- Pin 2: Shutdown control input --| IN- OUT|-- Pin 3: Audio input --| BP BIAS|-- Pin 4: Bypass capacitor connection --| BYP VDD|-- Pin 5: Bypass capacitor connection --| VOUT VOUT|-- Pin 6: Audio output --| VDD GND|-- Pin 7: Ground |___________| ```

Functional Features

• Low voltage operation allows for use in battery-powered devices.
• High efficiency ensures longer battery life.
• Small package size enables compact designs.
• Low distortion provides high-quality audio output.

Advantages and Disadvantages

Advantages: - Suitable for low voltage applications - High efficiency for longer battery life - Compact package size - Low distortion audio output

Disadvantages: - Mono audio output only - Limited output power

Working Principles

The LM4890M/NOPB is a class AB mono audio amplifier. It amplifies the audio input signal and delivers it to the audio output pin. The amplifier operates on a low voltage supply, making it suitable for battery-powered devices. It utilizes a small package size and high efficiency to provide high-quality audio output with low distortion.

Detailed Application Field Plans

The LM4890M/NOPB can be used in various applications, including: 1. Portable audio devices 2. Mobile phones 3. Tablets 4. Bluetooth speakers 5. Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM4890M/NOPB include: 1. LM4861M/NOPB 2. LM4881M/NOPB 3. LM386M-1/NOPB 4. TPA3116D2PWP 5. MAX98357AETE+T

These alternative models offer similar functionality and can be considered as replacements for the LM4890M/NOPB in different applications.

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