MAX9486EUG-T

Overview

Category: Integrated Circuit
Use: Audio Amplifier
Characteristics: Low Noise, High Efficiency
Package: 24-Pin TSSOP
Essence: Single-Supply Class D Audio Power Amplifier
Packaging/Quantity: Tape & Reel / 2500 units per reel

Specifications and Parameters

Supply Voltage Range: 4.5V to 14V
Output Power: 2.8W (4Ω, 10% THD+N)
Efficiency: 87% (4Ω, 1W, 5V Supply)
Total Harmonic Distortion + Noise (THD+N): 0.06% (1kHz, 1W, 4Ω Load)
Shutdown Current: <1µA
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9486EUG-T features a 24-pin TSSOP package with the following pin configuration:

VDD
GND
SD
IN-
IN+
BYP
FB
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
OUT+
OUT-
PVDD
PGND

Functional Characteristics

Single-supply operation
Class D amplifier architecture
Low noise and distortion
Short-circuit and thermal protection
Shutdown mode for power saving
External bypass capacitor for improved performance

Advantages and Disadvantages

Advantages: - High efficiency - Low power consumption - Compact size - Excellent audio quality

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for optimal performance

Applicable Range of Products

The MAX9486EUG-T is suitable for various applications, including: - Portable audio devices - Multimedia speakers - Automotive audio systems - Home theater systems - Gaming consoles

Working Principles

The MAX9486EUG-T is a single-supply Class D audio power amplifier. It utilizes pulse-width modulation (PWM) to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output.

Detailed Application Field Plans

Portable Audio Device: The MAX9486EUG-T can be used in portable music players to provide high-quality audio output with low power consumption.
Multimedia Speakers: This amplifier can be integrated into multimedia speaker systems to enhance audio performance and efficiency.
Automotive Audio Systems: The MAX9486EUG-T is suitable for automotive applications, providing clear and powerful audio reproduction in vehicles.
Home Theater Systems: Incorporating this amplifier into home theater setups can deliver immersive sound experiences with minimal distortion.
Gaming Consoles: By integrating the MAX9486EUG-T, gaming consoles can offer enhanced audio effects and improved overall gaming experience.

Detailed Alternative Models

MAX9744: 20W Stereo Class D Audio Power Amplifier
MAX98357A: Mono Class D Audio Amplifier with Digital Interface
TPA3116D2: 50W Stereo Class D Audio Amplifier

5 Common Technical Questions and Answers

Q: What is the maximum supply voltage for the MAX9486EUG-T? A: The supply voltage range is 4.5V to 14V.
Q: Can I use this amplifier in a battery-powered device? A: Yes, the MAX9486EUG-T is suitable for battery-powered applications due to its low power consumption.
Q: Does this amplifier have thermal protection? A: Yes, the MAX9486EUG-T features built-in thermal protection to prevent overheating.
Q: Can I use this amplifier with a 2Ω speaker? A: No, the recommended load impedance is 4Ω for optimal performance.
Q: Is there a shutdown mode available for power saving? A: Yes, the MAX9486EUG-T has a shutdown pin (SD) that can be used to put the amplifier in a low-power state when not in use.

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