LM4912MM/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power audio amplifier
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides high-quality audio amplification in a compact package
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.1W
• Total Harmonic Distortion (THD): 0.1%
• Shutdown Current: 0.01µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4912MM/NOPB has the following pin configuration:

```

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| | --| VDD GND|-- Pin 1: Supply Voltage (VDD) --| IN+ SHDN|-- Pin 2: Non-Inverting Input (+) --| IN- OUT|-- Pin 3: Inverting Input (-) / Output --| AGND VOUT|-- Pin 4: Analog Ground (AGND) / Output --| BYP BPS|-- Pin 5: Bypass Capacitor (BYP) / Bootstrap --| SD VCC|-- Pin 6: Shutdown (SD) / Supply Voltage (VCC) --| BP VREF|-- Pin 7: Bypass (BP) / Reference Voltage (VREF) --| PVCC PGND|-- Pin 8: Power Supply (PVCC) / Power Ground (PGND) |___________| ```

Functional Features

• Low power consumption
• Wide supply voltage range
• Shutdown mode for power saving
• Thermal shutdown protection
• Short-circuit and over-temperature protection

Advantages

• High-quality audio amplification
• Compact package size
• Low distortion
• Wide operating temperature range

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for proper operation

Working Principles

The LM4912MM/NOPB is a high-performance audio amplifier that operates by amplifying the input audio signal. It utilizes a class AB amplifier architecture to provide low distortion and high-quality sound reproduction. The amplifier can be powered from a wide range of supply voltages, making it suitable for various applications.

Detailed Application Field Plans

The LM4912MM/NOPB is commonly used in portable electronic devices such as smartphones, tablets, and portable media players. It is also suitable for battery-powered audio systems, headphones, and other low-power audio applications.

Alternative Models

• LM4861MM/NOPB
• LM4871MM/NOPB
• LM4890MM/NOPB
• LM4950MM/NOPB

These alternative models offer similar functionality and performance characteristics to the LM4912MM/NOPB and can be considered as alternatives depending on specific application requirements.

In conclusion, the LM4912MM/NOPB is a high-performance audio amplifier IC that provides high-quality audio amplification in a compact package. With its low power consumption and wide supply voltage range, it is suitable for various portable audio applications. However, it has limited output power compared to higher wattage amplifiers and requires external components for proper operation.