MAX4413EKA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low-power, stereo audio amplifier with volume control
• Package: SOT-23-8
• Essence: The MAX4413EKA-T is a compact and efficient audio amplifier designed for portable electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 1.4W per channel into 8Ω load at 5V supply voltage
• Total Harmonic Distortion + Noise (THD+N): 0.06% at 1kHz, 1.2W output power
• Signal-to-Noise Ratio (SNR): 95dB at 1kHz, 1.2W output power
• Shutdown Current: 0.01μA (typical)

Pin Configuration

The MAX4413EKA-T has the following pin configuration:

___________ | | NC |1 8| VDD IN+ |2 7| SHDN IN- |3 6| GND VOL |4 5| OUT |___________|

Functional Features

• Low-power consumption makes it suitable for battery-powered devices.
• Volume control feature allows users to adjust the audio output level.
• Stereo audio amplifier provides high-quality sound reproduction.
• Shutdown mode minimizes power consumption when not in use.
• Short-circuit and thermal protection ensure safe operation.

Advantages and Disadvantages

Advantages: - Compact size and low-power consumption make it ideal for portable devices. - Volume control feature provides user convenience. - High-quality audio output with low distortion and noise.

Disadvantages: - Limited output power compared to higher wattage amplifiers. - SOT-23-8 package may require additional PCB space.

Working Principles

The MAX4413EKA-T is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It operates by amplifying the input audio signal and driving it through the load (usually a speaker). The volume control feature adjusts the gain of the amplifier, allowing users to control the output volume. The amplifier also includes shutdown functionality to minimize power consumption when not in use.

Detailed Application Field Plans

The MAX4413EKA-T is commonly used in various portable electronic devices, including:

1. Mobile phones
2. Tablets
3. Portable media players
4. Bluetooth speakers
5. Gaming consoles

Its compact size, low-power consumption, and volume control capability make it suitable for these applications where space and battery life are crucial factors.

Alternative Models

Here are some alternative models that offer similar functionality:

1. TPA301DGNR - Texas Instruments
2. LM4863MTE/NOPB - National Semiconductor
3. NJU7082RB1-TE1 - New Japan Radio Co., Ltd.
4. STA540SANTR - STMicroelectronics

These alternatives can be considered based on specific requirements and availability in different regions.

In conclusion, the MAX4413EKA-T is a versatile audio amplifier designed for portable electronic devices. Its compact size, low-power consumption, and volume control feature make it an excellent choice for applications where high-quality audio output is required.