規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Class D |
| OutputType | 2-Channel (Stereo) |
| MaxOutputPowerxChannels@Load | 3W x 1 @ 4Ohm |
| Voltage-Supply | 2.8V ~ 5.5V |
| Features | Depop, Short-Circuit and Thermal Protection |
| MountingType | Surface Mount |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| SupplierDevicePackage | 16-SOP |
概述
Description
The PAM8403DR-H is a compact, low-power stereo Class-D audio amplifier designed for efficient audio amplification, suitable for portable electronic devices. It typically provides an output of 3 watts per channel for speakers with an impedance of 4 ohms, powered by a supply voltage range of 2.5V to 5.5V, making it ideal for battery-operated devices. This amplifier is known for its high efficiency, which reduces power consumption and heat generation compared to traditional Class-AB amplifiers.
Key features of the PAM8403DR-H include its ability to deliver high-quality sound with minimal external components, low Total Harmonic Distortion (THD), and high Signal-to-Noise Ratio (SNR). Its small size and thermal protection make it suitable for compact applications. The amplifier also incorporates built-in shutdown and mute functions for energy conservation and noise reduction during idle periods.
Overall, the PAM8403DR-H is valued for its cost-effectiveness, ease of use, and reliable performance in enhancing audio output for small-scale audio projects and consumer electronics.
Key features of the PAM8403DR-H include its ability to deliver high-quality sound with minimal external components, low Total Harmonic Distortion (THD), and high Signal-to-Noise Ratio (SNR). Its small size and thermal protection make it suitable for compact applications. The amplifier also incorporates built-in shutdown and mute functions for energy conservation and noise reduction during idle periods.
Overall, the PAM8403DR-H is valued for its cost-effectiveness, ease of use, and reliable performance in enhancing audio output for small-scale audio projects and consumer electronics.
Equivalent
The PAM8403DR-H is a 3W stereo Class-D audio amplifier chip. Equivalent products include:
1. TPA3110D2 from Texas Instruments - A 15W stereo Class-D audio amplifier.
2. MAX98357A from Maxim Integrated - A 3.2W stereo Class-D amplifier with I2S digital input.
3. NS4263 from Nsiway - A 3W stereo Class-D audio amplifier.
4. YDA138-E from Yamaha - A 5W stereo Class-D audio amplifier.
These alternatives offer similar functionality with varying power outputs and features.
1. TPA3110D2 from Texas Instruments - A 15W stereo Class-D audio amplifier.
2. MAX98357A from Maxim Integrated - A 3.2W stereo Class-D amplifier with I2S digital input.
3. NS4263 from Nsiway - A 3W stereo Class-D audio amplifier.
4. YDA138-E from Yamaha - A 5W stereo Class-D audio amplifier.
These alternatives offer similar functionality with varying power outputs and features.
Features
The PAM8403DR-H is a digital audio amplifier known for its efficiency and compact size. It typically features a 3-watt stereo output with an operating voltage range of 2.5V to 5.5V, making it suitable for USB-powered devices. The amplifier uses Class-D technology, providing high efficiency and low heat generation. It delivers quality sound with a low total harmonic distortion plus noise (THD+N) level, ensuring clear audio output.
The PAM8403DR-H is equipped with built-in protection mechanisms against over-temperature and short-circuit situations. It often includes features such as pop noise suppression and a minimal external component requirement, simplifying its integration into various audio projects. The device is available in a small SOP-16 package, saving space on circuit boards. Its low quiescent current makes it suitable for battery-powered applications. This amplifier is ideal for use in portable audio devices, small speaker systems, and DIY audio projects, providing a straightforward solution for boosting audio signals efficiently.
The PAM8403DR-H is equipped with built-in protection mechanisms against over-temperature and short-circuit situations. It often includes features such as pop noise suppression and a minimal external component requirement, simplifying its integration into various audio projects. The device is available in a small SOP-16 package, saving space on circuit boards. Its low quiescent current makes it suitable for battery-powered applications. This amplifier is ideal for use in portable audio devices, small speaker systems, and DIY audio projects, providing a straightforward solution for boosting audio signals efficiently.
Pinout
The PAM8403DR-H is a class D audio amplifier IC designed for driving small speakers with high efficiency. It typically comes in an 8-pin package. Below is a concise overview of its pin count and functions:
1. Pin 1 (VDD): Power supply input. Connect this pin to the positive voltage supply, usually ranging from 2.5V to 5.5V.
2. Pin 2 (INR+): Positive audio input for the right channel.
3. Pin 3 (INR-): Negative audio input for the right channel.
4. Pin 4 (GND): Ground connection. Connect this pin to the system ground.
5. Pin 5 (INL-): Negative audio input for the left channel.
6. Pin 6 (INL+): Positive audio input for the left channel.
7. Pin 7 (OUTL): Audio output for the left channel. Connect this pin to the left speaker.
8. Pin 8 (OUTR): Audio output for the right channel. Connect this pin to the right speaker.
This configuration allows the PAM8403DR-H to effectively drive stereo speakers in small audio applications.
1. Pin 1 (VDD): Power supply input. Connect this pin to the positive voltage supply, usually ranging from 2.5V to 5.5V.
2. Pin 2 (INR+): Positive audio input for the right channel.
3. Pin 3 (INR-): Negative audio input for the right channel.
4. Pin 4 (GND): Ground connection. Connect this pin to the system ground.
5. Pin 5 (INL-): Negative audio input for the left channel.
6. Pin 6 (INL+): Positive audio input for the left channel.
7. Pin 7 (OUTL): Audio output for the left channel. Connect this pin to the left speaker.
8. Pin 8 (OUTR): Audio output for the right channel. Connect this pin to the right speaker.
This configuration allows the PAM8403DR-H to effectively drive stereo speakers in small audio applications.
Manufacturer
The PAM8403DR-H is manufactured by Diodes Incorporated. Diodes Incorporated is a global company that specializes in the design, manufacture, and distribution of semiconductor products. The company caters to diverse markets, including automotive, industrial, communications, computing, and consumer electronics. Their product portfolio includes discrete, analog, and mixed-signal products. Diodes Incorporated focuses on providing efficient and reliable components, such as power management devices, diodes, rectifiers, transistors, and amplifiers, to meet the needs of various electronic applications.
Application
The PAM8403DR-H is a Class D audio amplifier that offers applications in compact audio systems, including portable speakers, soundbars, TVs, and computer audio systems. Its high efficiency and low heat generation make it suitable for battery-powered devices, such as Bluetooth speakers and personal audio equipment. Additionally, it can be used in DIY audio projects and educational kits. The PAM8403DR-H's small size and minimal external component requirement enhance its suitability for space-constrained applications where efficient audio amplification is needed.
Package
The PAM8403DR-H is typically available in the SOP-16 package type, which is a small outline package with 16 pins.
