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TDA7491MV13TR
Overview
Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - Mono BTL (Bridge-Tied Load) Class-D audio amplifier - High efficiency and low power dissipation - Wide supply voltage range: 4.5V to 18V - Output power: 10W at 10% THD+N with a 8Ω load and 12V supply - Low quiescent current consumption: 20mA - Thermal shutdown protection - Short-circuit protection - Overvoltage protection - ESD protection
Package: PowerSSO-36
Essence: TDA7491MV13TR is an integrated circuit that functions as a mono audio amplifier, specifically designed for Bridge-Tied Load applications.
Packaging/Quantity: The TDA7491MV13TR is typically sold in reels of 2500 units per reel.
Specifications
- Supply Voltage Range: 4.5V to 18V
- Quiescent Current: 20mA
- Output Power: 10W (at 10% THD+N, 8Ω load, 12V supply)
- Efficiency: >90%
- 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 TDA7491MV13TR has a total of 36 pins. Here is the detailed pin configuration:
- OUTA
- OUTB
- GND
- VCC
- MUTE
- STBY
- SD
- FB
- IN+
- IN-
- PVDD
- PVSS
- VDD
- VSS
- VREF
- AGND
- PGND
- BST
- BSTB
- BSTC
- BSTD
- BSTE
- BSTF
- BSTG
- BSTH
- BSTI
- BSTJ
- BSTK
- BSTL
- BSTM
- BSTR
- BSTQ
- BSTP
- BSTO
- BSTN
- BSTA
Functional Features
- Mono Bridge-Tied Load (BTL) Class-D audio amplifier
- High efficiency and low power dissipation
- Wide supply voltage range for versatile applications
- Thermal shutdown protection to prevent overheating
- Short-circuit protection to safeguard the amplifier and connected devices
- Overvoltage protection to prevent damage from voltage spikes
- Electrostatic Discharge (ESD) protection for enhanced durability
Advantages and Disadvantages
Advantages: - High efficiency results in less power wastage - Compact size and integrated design - Protection features ensure safe operation - Versatile supply voltage range allows for various applications - Low quiescent current consumption
Disadvantages: - Limited output power compared to higher wattage amplifiers - May require additional components for optimal performance
Working Principles
The TDA7491MV13TR is a mono Bridge-Tied Load (BTL) Class-D audio amplifier. It 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 BTL configuration allows for increased output power by utilizing both sides of the load, resulting in improved efficiency. The Class-D amplification further enhances efficiency by switching the output transistors between fully on and fully off states, minimizing power dissipation.
Detailed Application Field Plans
The TDA7491MV13TR is commonly used in various audio applications, including:
- Portable Bluetooth speakers
- Home theater systems
- Car audio systems
- Multimedia soundbars
- Gaming consoles
- Musical instruments amplification
Detailed and Complete Alternative Models
- TDA7492P - Dual BTL Class-D Audio Amplifier
- TPA3116D2 - Stereo Class-D Audio Amplifier
- LM386 - Low Voltage Audio Power Amplifier
- MAX9744 - Mono Class D Audio Power Amplifier
- STA540 - 4-channel 28W Class-AB Audio Amplifier
These alternative models offer similar functionality and can be considered as alternatives to the TDA7491MV13TR based on specific requirements and application needs.
In conclusion, the TDA7491MV13TR is a mono Bridge-Tied Load Class-D audio amplifier with high efficiency, low power dissipation, and a wide supply voltage
Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του TDA7491MV13TR σε τεχνικές λύσεις
Sure! Here are 10 common questions and answers related to the application of TDA7491MV13TR in technical solutions:
Q1: What is TDA7491MV13TR? A1: TDA7491MV13TR is a class D audio amplifier integrated circuit (IC) that can be used to amplify audio signals in various applications.
Q2: What is the power output of TDA7491MV13TR? A2: TDA7491MV13TR has a maximum power output of 50 watts per channel, making it suitable for small to medium-sized audio systems.
Q3: Can TDA7491MV13TR drive both speakers and headphones? A3: Yes, TDA7491MV13TR can drive both speakers and headphones, as it supports both speaker-level and headphone-level outputs.
Q4: What is the input voltage range for TDA7491MV13TR? A4: The input voltage range for TDA7491MV13TR is typically between 8V and 26V, allowing it to work with a wide range of power supply voltages.
Q5: Does TDA7491MV13TR have built-in protection features? A5: Yes, TDA7491MV13TR includes built-in protection features such as over-temperature protection, over-current protection, and short-circuit protection.
Q6: Can TDA7491MV13TR be used in battery-powered applications? A6: Yes, TDA7491MV13TR can be used in battery-powered applications, as it has low power consumption and can operate efficiently with a wide range of power supply voltages.
Q7: What is the efficiency of TDA7491MV13TR? A7: TDA7491MV13TR has a high efficiency of up to 90%, which means it can convert a large portion of the input power into amplified audio output.
Q8: Does TDA7491MV13TR support stereo or mono operation? A8: TDA7491MV13TR supports both stereo and mono operation, allowing it to be used in various audio systems.
Q9: Can TDA7491MV13TR be controlled digitally? A9: Yes, TDA7491MV13TR can be controlled digitally using an I2C interface, allowing for easy integration with microcontrollers or digital audio sources.
Q10: What are some typical applications of TDA7491MV13TR? A10: Some typical applications of TDA7491MV13TR include home audio systems, portable speakers, automotive audio systems, and multimedia devices.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.