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MAX9758ETJ+T
Product Overview
- Category: Integrated Circuit
- Use: Audio Amplifier
- Characteristics: High-performance, Class D amplifier
- Package: 32-pin TQFN
- Essence: Power-efficient audio amplification solution
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 4.5V to 14V
- Output Power: 20W per channel (8Ω load, 10% THD+N)
- Efficiency: Up to 90%
- Total Harmonic Distortion + Noise (THD+N): 0.03% (1W, 1kHz)
- Signal-to-Noise Ratio (SNR): 100dB (A-weighted)
- Shutdown Current: <1µA
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The MAX9758ETJ+T features a 32-pin Thin Quad Flat No-Lead (TQFN) package with the following pin configuration:
- SD (Shutdown)
- GND (Ground)
- INL- (Left Channel Negative Input)
- INL+ (Left Channel Positive Input)
- VDD (Power Supply)
- INR+ (Right Channel Positive Input)
- INR- (Right Channel Negative Input)
- BST (Bootstrap Capacitor Connection)
- PVDD (Power Supply for Gate Drivers)
- PGND (Gate Driver Ground)
- OUTR (Right Channel Output)
- OUTL (Left Channel Output)
- FB (Feedback)
- AGND (Analog Ground)
- BYP (Bypass Capacitor Connection)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
- NC (No Connect)
Functional Features
- High-efficiency Class D amplifier architecture
- Integrated gate drivers for external MOSFETs
- Low shutdown current for power-saving mode
- Thermal and short-circuit protection
- Wide supply voltage range for versatile applications
- BTL (Bridge-Tied Load) and SE (Single-Ended) output modes
- Flexible gain settings and input configurations
Advantages and Disadvantages
Advantages: - High efficiency results in lower power consumption - Compact package size allows for space-saving designs - Versatile input and output configurations cater to various audio applications - Integrated protection features enhance reliability
Disadvantages: - Limited output power compared to some other amplifiers - Requires external MOSFETs for operation
Working Principles
The MAX9758ETJ+T is a Class D audio amplifier that utilizes pulse-width modulation (PWM) techniques to achieve high efficiency. It operates by rapidly switching the output stage between fully on and fully off states, minimizing power dissipation. The integrated gate drivers control external MOSFETs, which handle the amplification of the audio signal. The feedback loop ensures accurate reproduction of the input signal while maintaining stability and low distortion.
Detailed Application Field Plans
The MAX9758ETJ+T finds applications in various audio systems, including:
- Portable Bluetooth speakers
- Home theater systems
- Automotive audio systems
- Multimedia devices
- Gaming consoles
- Professional audio equipment
Detailed and Complete Alternative Models
- MAX98357A: 3.2W Class D Audio Amplifier with Integrated Digital Input
- TPA3116D2: 50W Stereo Class D Audio Amplifier
- LM386: Low Voltage Audio Power Amplifier
- TAS5611A: 150W PurePath™ Ultra-HD Analog-Input Class D Amplifier
These alternative models offer different power outputs, features, and package options to suit specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX9758ETJ+T en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX9758ETJ+T in technical solutions:
Q: What is the MAX9758ETJ+T? A: The MAX9758ETJ+T is a Class D audio power amplifier IC designed for driving speakers in various applications.
Q: What is the maximum output power of the MAX9758ETJ+T? A: The MAX9758ETJ+T can deliver up to 20W per channel into an 8-ohm load.
Q: Can the MAX9758ETJ+T operate with a single power supply? A: Yes, the MAX9758ETJ+T can operate with a single power supply ranging from 8V to 28V.
Q: Is the MAX9758ETJ+T suitable for battery-powered applications? A: Yes, the MAX9758ETJ+T has low quiescent current and can be used in battery-powered applications.
Q: Does the MAX9758ETJ+T have built-in thermal protection? A: Yes, the MAX9758ETJ+T features thermal overload protection to prevent damage due to excessive heat.
Q: Can I use the MAX9758ETJ+T in stereo or mono configurations? A: Yes, the MAX9758ETJ+T can be configured as a stereo amplifier or bridged to operate in mono mode.
Q: What is the input voltage range of the MAX9758ETJ+T? A: The MAX9758ETJ+T accepts input voltages from 0.9V to VDD.
Q: Does the MAX9758ETJ+T require external components for operation? A: Yes, the MAX9758ETJ+T requires a few external components such as input coupling capacitors and output filter components.
Q: Can I control the volume level with the MAX9758ETJ+T? A: Yes, the MAX9758ETJ+T provides a digital volume control feature that allows you to adjust the audio output level.
Q: What are some typical applications of the MAX9758ETJ+T? A: The MAX9758ETJ+T is commonly used in multimedia systems, portable speakers, gaming consoles, and automotive audio systems.
Please note that these answers are general and may vary depending on the specific requirements and implementation of the MAX9758ETJ+T in different technical solutions.