MAX9718BEUB+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Audio Amplifier
- Characteristics: High efficiency, low quiescent current, small package size
- Package: µMAX
- Essence: The MAX9718BEUB+T is a high-efficiency Class D audio power amplifier with an integrated boost converter. It is designed to deliver high-quality audio while maximizing battery life in portable devices.
- Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier.
Specifications
- Output Power: Up to 3.2W
- Efficiency: Up to 88%
- Quiescent Current: 14µA
- Operating Voltage Range: 2.7V to 5.5V
- Package Type: µMAX
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX9718BEUB+T features a 10-pin µMAX package with the following pin configuration: 1. SHDN (Shutdown) 2. GAIN (Gain Select) 3. FB (Feedback) 4. VDD (Power Supply) 5. LX (Inductor Connection) 6. AGND (Analog Ground) 7. OUT (Speaker Output) 8. PVDD (Boost Converter Power Supply) 9. BST (Boost Converter Switch Node) 10. PGND (Power Ground)
Functional Features
- Integrated Boost Converter
- Low Quiescent Current
- Short-Circuit and Thermal Protection
- Wide Input Voltage Range
- High Efficiency
Advantages and Disadvantages
Advantages
- High Efficiency
- Integrated Boost Converter
- Small Package Size
- Low Quiescent Current
Disadvantages
- Limited Output Power (Up to 3.2W)
Working Principles
The MAX9718BEUB+T utilizes a Class D amplifier topology combined with an integrated boost converter to efficiently drive audio signals to a connected speaker. The boost converter ensures that the amplifier can deliver high-quality audio even when powered by a low-voltage source, such as a single-cell battery.
Detailed Application Field Plans
The MAX9718BEUB+T is well-suited for various portable audio applications, including: - Portable Bluetooth Speakers - Wireless Headphones - Portable Gaming Devices - Personal Audio Players
Detailed and Complete Alternative Models
- MAX98306
- MAX98357A
- TPA2016D2
In conclusion, the MAX9718BEUB+T is a versatile audio amplifier IC with an integrated boost converter, making it ideal for portable audio applications where high efficiency and low power consumption are essential.
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10個與MAX9718BEUB+T在技術方案中應用相關的常見問題與解答
What is the MAX9718BEUB+T?
- The MAX9718BEUB+T is a high-efficiency, mono Class D audio amplifier with an integrated boost converter.
What is the input voltage range of the MAX9718BEUB+T?
- The input voltage range of the MAX9718BEUB+T is 2.7V to 14V.
What is the output power capability of the MAX9718BEUB+T?
- The MAX9718BEUB+T can deliver up to 10W into a 4Ω load at 10% THD+N from a 5V supply.
What are the typical applications of the MAX9718BEUB+T?
- Typical applications include portable speakers, gaming headsets, and other battery-powered audio devices.
Does the MAX9718BEUB+T require external components for operation?
- Yes, the MAX9718BEUB+T requires a few external components such as inductors, capacitors, and resistors for proper operation.
What is the efficiency of the MAX9718BEUB+T?
- The MAX9718BEUB+T offers high efficiency, typically above 85%, which is beneficial for battery-powered applications.
Can the MAX9718BEUB+T handle different speaker impedances?
- Yes, the MAX9718BEUB+T is designed to drive speaker loads from 4Ω to 8Ω.
Does the MAX9718BEUB+T have built-in thermal protection?
- Yes, the MAX9718BEUB+T features overtemperature and short-circuit protection to safeguard the device and connected components.
What is the operating temperature range of the MAX9718BEUB+T?
- The MAX9718BEUB+T has an operating temperature range of -40°C to +85°C.
Is there a reference design available for the MAX9718BEUB+T?
- Yes, Maxim Integrated provides a reference design and application notes to assist in the implementation of the MAX9718BEUB+T in technical solutions.