MAX9717BEUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High Efficiency, Low Noise, Small Package Size
• Package: 8-pin µMAX®
• Essence: Power Amplification
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.4W at 3Ω Load, 1% THD+N
• Efficiency: Up to 87%
• Shutdown Current: <1µA
• Quiescent Current: 1.6mA
• Gain: Fixed at 6dB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9717BEUA+T has the following pin configuration:

```

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| | --| VDD OUT |-- Pin 1: Supply Voltage (VDD) --| GND IN- |-- Pin 2: Ground (GND) --| SHDN IN+ |-- Pin 3: Shutdown Control (SHDN) --| BIAS FB |-- Pin 4: Bias Input (BIAS) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| GAIN NC |-- Pin 7: Gain Selection (GAIN) --| NC NC |-- Pin 8: Not Connected (NC) |___________| ```

Functional Features

• Single-supply operation from 2.7V to 5.5V
• Class AB amplifier architecture for high efficiency
• Low quiescent current and shutdown current for power savings
• Fixed gain of 6dB for easy integration
• Thermal and short-circuit protection

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Small package size allows for compact designs - Low noise output for high-quality audio reproduction - Shutdown control feature for power management

Disadvantages: - Fixed gain may not suit all applications - Limited output power may not be sufficient for some setups

Working Principles

The MAX9717BEUA+T is an audio amplifier IC that operates on a single supply voltage. It utilizes a Class AB amplifier architecture, which combines the benefits of both Class A and Class B amplifiers. This design ensures high efficiency while maintaining low distortion levels.

The amplifier has a fixed gain of 6dB, which simplifies the integration process. It also features thermal and short-circuit protection mechanisms to safeguard the device and connected components.

Detailed Application Field Plans

The MAX9717BEUA+T is suitable for various audio amplification applications, including:

1. Portable Audio Devices: MP3 players, smartphones, tablets
2. Headphone Amplifiers: Compact headphone amplifiers with low power consumption
3. Multimedia Systems: Computer speakers, soundbars, home theater systems
4. Automotive Audio: In-car entertainment systems, amplifiers for car speakers

Detailed and Complete Alternative Models

1. MAX9718BEUB+T: Similar specifications, but with adjustable gain control
2. MAX9719BEUB+T: Higher output power (2.5W) and wider supply voltage range (2.5V to 5.5V)
3. MAX9720BEUB+T: Dual-channel audio amplifier with similar characteristics

These alternative models offer flexibility in terms of gain control, output power, and supply voltage range, catering to different application requirements.

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