PAM8304ASR

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PAM8304ASR

+Nomenclature

IC AMP CLASS D MONO 3W 8MSOP

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Class D
OutputType 1-Channel (Mono)
MaxOutputPowerxChannels@Load 3W x 1 @ 4Ohm
Voltage-Supply 2.8V ~ 6V
Features Depop, Short-Circuit and Thermal Protection
MountingType Surface Mount
OperatingTemperature -40°C ~ 85°C (TA)
SupplierDevicePackage 8-MSOP

Présentation

Description

The PAM8304ASR is a mono Class-D audio amplifier designed for driving small speakers in portable electronic devices. With its compact size and high efficiency, it is ideal for space-constrained applications. The amplifier delivers up to 2.5W of output power at 4Ω load with low distortion and minimal external components, making it a cost-effective solution.
Key features include a wide operating voltage range from 2.5V to 6V, low quiescent current, and integrated thermal and short-circuit protection to enhance reliability. Its high efficiency, over 90%, reduces power loss and heat generation, allowing for longer battery life in portable devices.
The device uses a filterless modulation scheme, which simplifies the design by eliminating the need for output filters. This results in a smaller PCB footprint and reduced system cost. Additionally, the PAM8304ASR provides excellent pop-and-click suppression, ensuring minimal noise during power-up and shutdown.
Overall, the PAM8304ASR is a versatile and efficient audio amplifier ideal for various applications, including smartphones, tablets, and other battery-powered devices.

Equivalent

The PAM8304ASR is a Class-D audio amplifier. Equivalent products include:
1. TPA3110D2 by Texas Instruments: A similar Class-D audio amplifier with similar power output.
2. MAX98357A by Maxim Integrated: Another Class-D amplifier, suitable for similar applications.
3. TS4990 by STMicroelectronics: Offers similar features and is used in comparable applications.
4. NCP2820 by ON Semiconductor: A low-voltage, Class-D audio amplifier alternative.
Always check the specific datasheets to ensure compatibility with your application.

Features

The PAM8304ASR is a mono filter-less Class-D audio power amplifier. Key features include:
1. Output Power: Capable of delivering up to 3.2W into a 4Ω load with a 10% total harmonic distortion (THD) at 5V power supply.
2. Efficiency: High efficiency at 90%, which reduces heat generation and extends battery life in portable applications.
3. Supply Range: Operates over a wide voltage range from 2.5V to 5.5V.
4. Low Quiescent Current: Features a low quiescent current consumption of typically 1.5mA, making it suitable for battery-powered devices.
5. Integrated Features: Includes built-in short-circuit protection, thermal protection, and under-voltage lockout to enhance reliability.
6. Low EMI: Designed with a filter-less architecture that supports low electromagnetic interference (EMI).
7. Shutdown Mode: Offers a low-power shutdown mode with a typical current of 0.5μA.
8. Package: Available in a compact SOT-23 package, which is ideal for space-constrained applications.
Overall, the PAM8304ASR is suitable for a variety of audio amplification needs, especially in portable and battery-powered devices.

Pinout

The PAM8304ASR is a 2.5W mono filterless Class-D audio power amplifier. It typically comes in an 8-pin package, specifically the SOP-8 (Small Outline Package).
Here is a brief overview of the pin functions:
1. IN+: Non-inverting audio input.
2. IN-: Inverting audio input.
3. NC: No internal connection.
4. GND: Ground.
5. NC: No internal connection.
6. VDD: Supply voltage.
7. OUT-: Negative output for the speaker.
8. OUT+: Positive output for the speaker.
This amplifier is designed for portable applications due to its low power consumption and high efficiency. It requires minimal external components, making it ideal for compact designs.

Manufacturer

The PAM8304ASR is manufactured by Diodes Incorporated. Diodes Incorporated is a global company that specializes in the manufacturing and supply of application-specific standard products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. The company produces a wide range of semiconductor products used in various applications across multiple industries, including consumer electronics, computing, communications, industrial, and automotive sectors. Diodes Incorporated focuses on providing high-quality, reliable components that are crucial for the functionality of electronic devices.

Application

The PAM8304ASR is a mono Class-D audio amplifier commonly used in various applications. It is ideal for portable and battery-operated devices due to its efficiency and small footprint. Key application areas include:
1. Portable Speakers: Used in Bluetooth and wireless speakers for efficient audio amplification.
2. Consumer Electronics: Integrated into devices like tablets and smartphones for enhanced audio output.
3. Televisions and Monitors: Provides audio amplification for built-in speakers.
4. Handheld Gaming Devices: Enhances sound quality and volume.
5. Voice-Enabled Devices: Used in smart speakers and voice assistants to amplify audio output.
Its low power consumption and high efficiency make it suitable for a wide range of low-power, audio-driven applications.

Package

The PAM8304ASR is typically available in a SO-8 package, which is a small outline integrated circuit package with eight pins.

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