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MAX9750AETI+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Audio Amplifier
- Characteristics: High-performance, stereo Class D audio amplifier
- Package: 28-pin TQFN (Thin Quad Flat No-Lead) package
- Essence: Provides high-quality audio amplification in a compact form factor
- Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier
Specifications
- Power Supply Voltage Range: 4.5V to 14V
- Output Power: Up to 2 x 20W into 8Ω speakers
- Efficiency: Up to 87%
- Total Harmonic Distortion + Noise (THD+N): <0.1%
- Signal-to-Noise Ratio (SNR): >100dB
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The MAX9750AETI+T has a total of 28 pins. The pin configuration is as follows:
- SDN (Shutdown) - Shutdown control input
- GND (Ground) - Ground reference
- INL- (Left Channel Negative Input) - Negative input for the left audio channel
- INL+ (Left Channel Positive Input) - Positive input for the left audio channel
- VDD (Power Supply) - Positive power supply voltage
- PVDD (Power Supply) - Positive power supply voltage for the output stage
- OUTL (Left Channel Output) - Output for the left audio channel
- FB (Feedback) - Feedback input for the control loop
- AGND (Analog Ground) - Analog ground reference
- INR- (Right Channel Negative Input) - Negative input for the right audio channel
- INR+ (Right Channel Positive Input) - Positive input for the right audio channel
- SHDN (Shutdown) - Shutdown control input
- VDD (Power Supply) - Positive power supply voltage
- PVDD (Power Supply) - Positive power supply voltage for the output stage
- OUTR (Right Channel Output) - Output for the right audio channel
- FB (Feedback) - Feedback input for the control loop
- AGND (Analog Ground) - Analog ground reference
- BTL (Bridge-Tied Load) - Bridge-tied load output configuration selection
- GAIN (Gain Control) - Gain control input
- MUTE (Mute Control) - Mute control input
- SDN (Shutdown) - Shutdown control input
- GND (Ground) - Ground reference
- INL- (Left Channel Negative Input) - Negative input for the left audio channel
- INL+ (Left Channel Positive Input) - Positive input for the left audio channel
- VDD (Power Supply) - Positive power supply voltage
- PVDD (Power Supply) - Positive power supply voltage for the output stage
- OUTL (Left Channel Output) - Output for the left audio channel
- FB (Feedback) - Feedback input for the control loop
Functional Features
- High-efficiency Class D amplifier architecture
- Low total harmonic distortion and noise
- Wide power supply voltage range
- Thermal and short-circuit protection
- Shutdown and mute control options
- Bridge-tied load (BTL) output configuration
Advantages and Disadvantages
Advantages:
- High-quality audio amplification
- Compact form factor
- Efficient power usage
- Protection features for enhanced reliability
Disadvantages:
- Limited output power compared to larger amplifiers
- Requires external components for full functionality
Working Principles
The MAX9750AETI+T is a stereo Class D audio amplifier that 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. The Class D architecture allows for high efficiency and low power consumption.
Detailed Application Field Plans
The MAX9750AETI+T can be used in various audio applications, including:
- Portable speakers
- Home theater systems
- Automotive audio systems
- Gaming consoles
- Personal computers
Detailed and Complete Alternative Models
- TPA3116D2 - Texas Instruments
- TAS5630B - Texas Instruments
- STA516B - STMicroelectronics
- IRS2092 - International Rectifier
- PAM8403 - Diodes Incorporated
These alternative models offer similar functionality and can be considered as alternatives to the MAX9750AETI+T based on specific application requirements.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de MAX9750AETI+T em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of MAX9750AETI+T in technical solutions:
Q: What is the MAX9750AETI+T?
A: The MAX9750AETI+T is a high-power Class D audio amplifier IC designed for audio applications.
Q: What is the maximum power output of the MAX9750AETI+T?
A: The MAX9750AETI+T can deliver up to 20W per channel into an 8-ohm load.
Q: Can the MAX9750AETI+T be used in stereo or mono configurations?
A: Yes, the MAX9750AETI+T can be used in both stereo and mono configurations depending on the application requirements.
Q: What is the input voltage range of the MAX9750AETI+T?
A: The MAX9750AETI+T has an input voltage range of 2.7V to 5.5V.
Q: Does the MAX9750AETI+T require external components for operation?
A: Yes, the MAX9750AETI+T requires external components such as resistors, capacitors, and inductors for proper operation.
Q: Is the MAX9750AETI+T suitable for battery-powered applications?
A: Yes, the low quiescent current and wide input voltage range make the MAX9750AETI+T suitable for battery-powered applications.
Q: Can the MAX9750AETI+T drive low-impedance loads?
A: Yes, the MAX9750AETI+T is capable of driving loads as low as 4 ohms.
Q: Does the MAX9750AETI+T have built-in thermal protection?
A: Yes, the MAX9750AETI+T features built-in thermal protection to prevent overheating.
Q: What is the typical efficiency of the MAX9750AETI+T?
A: The typical efficiency of the MAX9750AETI+T is around 90% at full power.
Q: Are there any application notes or reference designs available for the MAX9750AETI+T?
A: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of the MAX9750AETI+T in various technical solutions.
Please note that these answers are general and may vary depending on specific design considerations and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.