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Дома > Other > PAM8610 Audio Stereo Amplifier Module: Pinout, Circuit Diagram and Dat

PAM8610 Audio Stereo Amplifier Module: Pinout, Circuit Diagram and Datasheet

Время обновления: 2023-11-29 13:38:58


The PAM8610 audio amplifier module stands as a remarkable piece of technology engineered to enhance audio experiences across various applications. Whether you are an audio enthusiast, a DIY hobbyist, or a professional, gaining insights into the capabilities and features of the PAM8610 can elevate your audio projects to new heights. This article explores its pinout, features, datasheet, and other detailed information about PAM8610 amplifier.

What is PAM8610?

The PAM8610 represents a stereo Class-D audio amplifier, providing an 10W output per channel, and it incorporates a DC Volume Control feature. What sets it apart are its exceptional attributes, including low Total Harmonic Distortion plus Noise (THD+N) at a mere 0.1%, minimal Electromagnetic Interference (EMI), and a commendable Power Supply Rejection Ratio (PSRR). These qualities collectively contribute to its capability to deliver high-quality audio reproduction.

PAM8610 Audio Stereo Amplifier Module.jpg

A notable feature of the PAM8610 is its 32-step DC volume control, offering an extensive range from +32dB to -75dB, allowing precise control over audio output levels. Adding to its appeal is its efficiency, as it demands only a minimal number of external components. This translates to significant cost savings and optimal utilization of board space. When it comes to power efficiency, the PAM8610 outperforms competitors in the realm of audio amplification, making it a preferred choice for those seeking top-notch audio performance.

PAM8610 Pinout

The PAM8610 pinout consists of 40 pins, each serving a specific purpose. Here are the pinout and pin function on the PAM8610 module:

PAM8610 Pinout.png

PAM8610 Pinout

Pin NumberPin NameFunction
1RINN Negativedifferential audio input for right channel.
2RINP Positivedifferential audio input for right channel.
3AVDD5V Analog VDD
4VREFAnalog reference for gain control section.
5VOLUMEDC voltage that sets the gain of the amplifier.

Ground for gain control circuitry. Connect to AGND. If using a DAC to control the

volume, connect the DAC ground to this terminal.

7AGND1Analog GND

Input for controlling volume ramp rate when cycling SD or during power-up. A

logic low on this pin places the amplifier in fade mode. A logic high on this pin

allows a quick transition to the desired volume setting.

9LINPPositive differential audio input for left channel. 
LINNNegative differential audio input for left channel.
11, 20PGNDLPower ground for left channel H-bridge.
12, 19PVCCLPower supply for left channel H-bridge, not connected to PVCCR or AVCC.
13, 14LOUTNClass-D 1/2-H-bridge negative output for left channel.
15BSLNBootstrap I/O for left channel, negative high-side FET.
16BSLPBootstrap I/O for left channel, positive high-side FET.
17, 18LO UTPClass-D 1/2-H-bridge positive output for left channel.
21VCLAMPLInternally generated voltage supply for left channel bootstrap capacitors.

I/O for charge/discharging currents onto capacitor for ramp generator triangle

wave biased at V2P5.

23RO SCCurrent setting resistor for ramp generator. Nominally equal to 1/8*VCC.
24AGNDAnalog GND
25MUTEA logic high on this pin disables the outputs and a logic low enables the outputs.
AVCCHigh-voltage analog power supply (7V to 15V)

2.5V Reference for analog cells, as well as reference for unused audio input

when using single-ended inputs.


Shutdown signal for IC (low = shutdown, high = operational). TTL logic levels with

compliance to VCC

30VCLAMPRInternally generated voltage supply for right channel bootstrap capacitors.
31, 40PGNDRPower ground for right channel H-bridge.
32, 39PVCCRPower supply for right channel H-bridge, not connected to PVCCL or AVCC.
33, 34ROUTPClass-D 1/2-H-bridge positive output for right channel.
35BSRPBootstrap I/O for right channel, positive high-side FET.
36BSRNBootstrap I/O for right channel, negative high-side FET.
37, 38ROUTNClass-D 1/2-H-bridge negative output for right channel.

Pin Description of PAM8610 Amplifier Board

Pin NameDescription
R_INRight Channel Input
GNDGround Channel Input (Common ground of both Right and Left Channel)
L_INLeft Channel Input
L-Left Channel Output (GND)
L+Left Channel Output (+)
+12VPower input (+) [7-15V input, 12V Recommended]
SW1Mute Switch Connection
SW2Mute Switch Connection
R+Right Channel Output (+)
R-Right Channel Output (GND)

PAM8610 Features

  • Input Voltage Range: 7~15V (12V Recommended)

  • Output Power: 15W

  • Operational Mode: Class-D (PWM Modulation Type)

  • Built-in Mute Switch Port: Shorting SW turns off the power amplifier.

  • Dimensions (L×W×H): 30.5×25.5×2.6 mm

  • Output: 10W per channel at 10% Total Harmonic Distortion (THD) into an 8Ω Load at 13V

  • Low Noise: -90dB

  • Exceptional Efficiency: Over 90%

  • Precise 32-Step DC Volume Control, Ranging from -75dB to +32dB

  • Equipped with Shutdown, Mute, and Fade Functions

  • Provides Protection Against Over-Current, Thermal Issues, and Short Circuits

  • Low THD+N (Total Harmonic Distortion plus Noise)

  • Minimal Quiescent Current

  • Effective Pop Noise Suppression

  • Compact Package: Slim 40-pin Q-shaped Outline

Overview of PAM8403 Amplifier Board

The primary power amplifier integrated circuit utilized in this setup is the PAM8610. Below, we highlight the key ports and features of this amplifier board.

This amplifier module is designed around the PAM8610 digital stereo amplifier IC, which is housed in a QFN 6x6 mm package with 40 pins. Being a stereo amplifier, it offers both stereo input and stereo output pin ports for convenient soldering of output speakers. Impressively, it delivers a maximum output power of 15W per channel.

PAM8403 Amplifier Board.jpg

One notable feature is its mute switch functionality, adding to its usability. By pressing the switch or shorting the mute port, you can effectively mute the power amplifier output.

With its low Total Harmonic Distortion plus Noise (THD + N) of 0.1%, this power amplifier stands as a low-noise solution suitable for various musical amplifier projects. An additional advantage is that it operates without the need for a heatsink, saving valuable board space. Despite the absence of a heatsink, it still provides essential thermal protection—a valuable feature for a compact amplifier module with lower wattage.

PAM8610 Amplifier Circuit Diagram

PAM8610 Functional Block Diagram

PAM8610 Functional Block Diagram.png

PAM8610 Interfacing Diagram

Connecting the PAM8610 module is a straightforward process. Refer to the diagram below to establish connections for your speakers, power supply, stereo input, and mute switch. To achieve optimal output performance, it is advisable to use a 12V 3A power supply in conjunction with 4 to 8-inch speakers.

PAM8610 Interfacing Diagram.png

Here are some important guidelines to follow when interfacing this module with power supply, input, and speakers:

  • Power Input Limit: Ensure that the power input does not exceed 16.5V. Staying within this voltage range is essential to prevent potential damage to the module.

  • Audio Output Precaution: Avoid any short-circuits between the audio output channels or connecting them to the ground. This precautionary measure safeguards the amplifier from potential harm.

  • Thorough Connection Check: Before powering up the circuitry, meticulously inspect all your connections to confirm their accuracy and secureness. This verification process minimizes the risk of complications during operation.

How to Use the PAM8610 Amplifier

  1. Voltage Limit: Ensure that the power supply voltage does not exceed 16.5V. Using a voltage higher than this limit should be avoided.

  2. Recommended Power Supply: It is advisable to employ a 12V, 3A power supply for improved filtering and performance.

  3. Speaker Recommendations: For optimal results, consider using stereo speakers within the 4-8 inch range.

  4. Audio Output Precautions: Avoid any short-circuits between audio output channels or any direct short-circuits to the ground.

  5. Verification Before Power-Up: Prior to applying power, conduct a thorough examination to confirm the correctness of your wiring. Ensuring proper connections is crucial before energizing the amplifier.

Advantages of Using the PAM8610 Amplifier

Exceptional Sound Quality

The PAM8610 module delivers clear and distortion-free audio, promising a delightful listening experience. Whether you're engaged in movie watching, music appreciation, or gaming, you can count on top-notch sound quality.

Energy Efficiency

Thanks to its Class-D amplifier design, this module keeps power consumption to a minimum, rendering it eco-friendly and cost-efficient. You can revel in powerful audio without fretting about soaring electricity bills.

Compact Design

Its petite dimensions make the module highly adaptable for integration into a variety of devices and projects. Whether you're constructing a space-efficient speaker or incorporating it into an existing setup, it won't monopolize much room.

Over-Temperature Protection

Embedded protective features shield the module from overheating, ensuring its longevity. This reliability guarantees prolonged enjoyment of your audio ventures.

PAM8610 Applications

  • Speaker Output in LCD Monitors/TV Projectors

Enhance the audio performance of LCD monitors and TV projectors with the PAM8610's robust speaker output capabilities.

  • Speaker Output Amplifier in Notebook Computers

Elevate the sound quality of notebook computers by utilizing the PAM8610 as a speaker output amplifier.

  • Portable Speakers and Portable DVD Players

Create portable speakers and portable DVD players with improved audio output using the PAM8610 amplifier module.

  • Game Machines

Integrate the PAM8610 into game machines for immersive gaming experiences with enhanced sound.

  • Flat Panel Displays/LCD TVs

Improve the audio delivery of flat panel displays and LCD TVs for a more engaging viewing experience.

  • Multimedia Speaker Systems

Build multimedia speaker systems that deliver exceptional sound quality, thanks to the PAM8610's capabilities.

  • VD Players and Game Consoles

Enhance the audio performance of VD players and game consoles with the PAM8610 amplifier module.

  • Boom Boxes

Construct powerful boom boxes that offer high-quality sound output, ideal for various audio settings.

  • Musical Instruments

Enhance musical instruments with the PAM8610 to produce crisp and clear audio for both practice and performance.

PAM8610 Equivalents

When seeking alternatives or equivalents to the PAM8610 audio amplifier,  PAM8403 and TDA7297 can be used as substitutes for the PAM8610.

PAM8610 Datasheet

Download PAM8610 Datasheet PDF.


That's an overview of the PAM8610 Audio Stereo Amplifier Module, including its pin configuration, features, circuit, datasheet, advantages, and applications. In conclusion, the PAM8610 IC is a remarkable electronic component known for its exceptional sound quality, energy efficiency, compact design, and over-temperature protection. This amplifier is perfect for a wide range of audio applications, from portable speakers and headphones to DIY audio projects and more.

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  • What voltage is PAM8610?
  • 7V to 15V.

  • How many watts is PAM8610 IC output?
    • The maximum output power is 15 watts per channel.

    • What is the frequency range of PAM8610?

    • Rated Output Power: 10W+10W (8Ω)

    • Supply Voltage Range: 5-15V

    • Frequency Response: 20Hz to 50KHz

    • Recommended Supply Voltage: 12V (Center PIN of 12VDC is +)

  • Is PAM8403 is a good amplifier?
  • The PAM8403 is an amplifier board designed to operate with a straightforward input voltage range of 3V minimum to 5V maximum. It has the capability to drive two stereo speakers, each with a power rating of 3W + 3W. This compact board is an ideal selection for individuals seeking a Class-D stereo audio amplifier solution within a limited board space.

  • Is the sound quality of PAM8610 better than PAM8403?
  • The PAM8610 offers superior output power compared to the PAM8403, resulting in improved sound quality.

  • How to deal with FM interference by the IC of PAM8610?
  • Fit a zinc-iron shielding cover to partially enclose the power amplifier.

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