NAU85L40YG
Product Overview
- Category: Integrated Circuit
- Use: Audio Amplifier
- Characteristics: Low Power, High Efficiency
- Package: QFN-20
- Essence: Single-Channel Class D Audio Amplifier
- Packaging/Quantity: Tape & Reel, 3000 pieces per reel
Specifications
- Power Supply Voltage: 2.7V to 5.5V
- Output Power: 3W at 4Ω, 1.8W at 8Ω
- Efficiency: Up to 90%
- Total Harmonic Distortion + Noise: < 0.1%
- Shutdown Current: < 1µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The NAU85L40YG has a total of 20 pins arranged as follows:
- VDD: Power supply voltage input
- GND: Ground reference
- SD: Shutdown control pin
- INP: Positive audio input
- INN: Negative audio input
- PGND: Power ground
- OUT: Audio output
- BST: Bootstrap capacitor connection
- FB: Feedback pin
- AGND: Analog ground
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- Single-channel Class D audio amplifier
- Low power consumption and high efficiency
- Wide operating voltage range
- Shutdown mode for power saving
- Low total harmonic distortion and noise
- Short-circuit and thermal protection
Advantages and Disadvantages
Advantages: - High efficiency results in low power consumption - Compact package size for space-constrained applications - Shutdown mode helps conserve power when not in use - Excellent audio quality with low distortion
Disadvantages: - Limited output power compared to some other amplifiers - Requires external components for proper operation - Sensitive to electromagnetic interference
Working Principles
The NAU85L40YG is a single-channel Class D audio amplifier that utilizes pulse width modulation (PWM) technique to amplify audio signals. It converts the input analog audio signal into a digital PWM signal, which is then amplified by a power stage to drive the connected speaker. The high efficiency of Class D amplifiers allows for reduced power consumption and heat dissipation.
Detailed Application Field Plans
The NAU85L40YG is commonly used in various portable audio devices, such as smartphones, tablets, portable speakers, and headphones. Its low power consumption and small form factor make it ideal for battery-powered applications. Additionally, its high efficiency ensures longer battery life without compromising audio quality.
Detailed and Complete Alternative Models
- TPA3116D2: 50W Class D Audio Amplifier
- MAX98357A: 3.7W Stereo Class D Audio Amplifier
- PAM8403: 3W Stereo Class D Audio Amplifier
- TAS5613A: 150W Stereo Class D Audio Amplifier
- TDA7498E: 160W Dual Channel Class D Audio Amplifier
These alternative models offer different power outputs, features, and package options, providing flexibility for various audio amplifier applications.
Word count: 320 words
技術ソリューションにおける NAU85L40YG の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of NAU85L40YG in technical solutions:
Q: What is the NAU85L40YG? A: The NAU85L40YG is a low-power, high-performance analog-to-digital converter (ADC) designed for various technical applications.
Q: What is the operating voltage range of NAU85L40YG? A: The NAU85L40YG operates within a voltage range of 2.7V to 5.5V.
Q: What is the resolution of NAU85L40YG? A: The NAU85L40YG has a resolution of 24 bits, providing accurate and precise measurements.
Q: Can NAU85L40YG be used in battery-powered devices? A: Yes, the NAU85L40YG is suitable for battery-powered devices due to its low-power consumption.
Q: What is the sampling rate of NAU85L40YG? A: The NAU85L40YG supports a maximum sampling rate of 128 kilosamples per second (ksps).
Q: Does NAU85L40YG have built-in programmable gain amplifiers (PGAs)? A: Yes, the NAU85L40YG features programmable gain amplifiers, allowing for signal conditioning and amplification.
Q: Can NAU85L40YG interface with microcontrollers or processors? A: Absolutely, the NAU85L40YG can easily interface with microcontrollers or processors through standard communication protocols like I2C or SPI.
Q: Is NAU85L40YG suitable for precision measurement applications? A: Yes, the NAU85L40YG is designed for precision measurement applications, offering high accuracy and low noise performance.
Q: What are the typical applications of NAU85L40YG? A: The NAU85L40YG can be used in various applications such as industrial automation, medical devices, data acquisition systems, and sensor interfaces.
Q: Does NAU85L40YG provide any advanced features for signal processing? A: Yes, the NAU85L40YG includes advanced features like digital filtering, oversampling, and calibration options to enhance signal processing capabilities.
Please note that these questions and answers are general and may vary depending on specific requirements and use cases.