MAX4418EUD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low distortion, high output power, wide supply voltage range
• Package: 14-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: High-performance audio amplifier IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 1.6mA
• Output Power: 1.4W into 8Ω (THD+N = 1%)
• Total Harmonic Distortion + Noise (THD+N): 0.03% (at 1kHz, 1.4W)
• Signal-to-Noise Ratio (SNR): 100dB (A-weighted)
• Gain: 20dB
• Shutdown Current: 0.1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4418EUD has a 14-pin TSSOP package with the following pin configuration:

1. SHDN - Shutdown Control Input
2. IN+ - Non-Inverting Input
3. IN- - Inverting Input
4. GND - Ground
5. VDD - Positive Supply Voltage
6. BYP - Bypass Capacitor Connection
7. OUT - Output
8. NC - No Connect
9. NC - No Connect
10. NC - No Connect
11. NC - No Connect
12. NC - No Connect
13. NC - No Connect
14. NC - No Connect

Functional Features

• Low distortion audio amplification
• High output power capability
• Wide supply voltage range for flexibility in various applications
• Shutdown control for power-saving mode
• Bypass capacitor connection for improved performance

Advantages and Disadvantages

Advantages: - Low distortion ensures high-quality audio output - High output power allows driving a wide range of speakers - Wide supply voltage range enables compatibility with different power sources - Shutdown control helps conserve power when not in use - Bypass capacitor connection enhances performance

Disadvantages: - Limited pin configuration options due to the 14-pin package - May require additional external components for specific applications

Working Principles

The MAX4418EUD is an audio amplifier IC designed to amplify low-distortion audio signals. It operates by receiving an input audio signal through the non-inverting (IN+) and inverting (IN-) inputs. The amplified audio signal is then delivered at the output pin (OUT). The IC can be powered using a supply voltage ranging from 2.7V to 5.5V, making it suitable for various audio applications.

The shutdown control input (SHDN) allows the user to put the IC into a low-power standby mode when audio amplification is not required. This feature helps conserve power and prolong battery life in portable devices.

Detailed Application Field Plans

The MAX4418EUD finds applications in various audio systems, including:

1. Portable audio devices: MP3 players, smartphones, tablets
2. Home audio systems: Hi-Fi systems, multimedia speakers
3. Automotive audio systems: Car stereos, amplifiers
4. Professional audio equipment: Mixers, amplifiers, audio interfaces

Detailed and Complete Alternative Models

1. MAX4419EUD: Similar to MAX4418EUD but with higher output power capability.
2. MAX4420EUD: Audio amplifier IC with differential inputs for balanced audio applications.
3. LM386: Low voltage audio power amplifier with adjustable gain.

These alternative models offer similar functionality and can be considered as substitutes for the MAX4418EUD in specific applications.

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