Description: 1. PAM 8403 is a versatile amplifier module designed for IoT projects that require signal amplification. It comes with a rotary knob for easy gain adjustment. 2. Input Signal: This module supports a wide range of input signals, including DC voltage, AC voltage, and various sensor outputs (e.g., thermocouples, strain gauges). 3. Gain Adjustment: The included knob allows users to adjust the gain of the amplifier, ensuring precise control over the output signal level. 4. Output Signal: The PAM 8403 provides a robust and stable output signal with low noise, making it suitable for various IoT applications that demand high-quality amplified signals. 5. Operating Voltage: The module operates on a wide voltage range (8V to 24V DC), ensuring compatibility with numerous power sources in various IoT projects. 6. Size and Weight: Compact and lightweight design (dimensions: 35 x 27 x 10mm, weight: 38g) allows for easy integration into space-constrained IoT setups and portable applications. 7
| Specification | Details |
|---|---|
| Product Description | PAM 8403 - A High-Quality Audio Amplifier Module with Volume Control and Gain Adjustment using a Rotary Potentiometer (Knob) |
| Type | Class-D Mono Audio Power Amplifier |
| Frequency Response | 20 Hz to 20 kHz (flat response) |
| Signal-to-Noise Ratio | ≥ 85 dB |
| Total Harmonic Distortion | ≤ 1% at 10 W output |
| Output Power | Up to 3W RMS per channel |
| Gain Range | Adjustable from 6.2 dB to 36.5 dB (using the rotary potentiometer) |
| Input Impedance | 47 kΩ unbalanced |
| Output Impedance | Low impedance suitable for most speakers and headphones |
| Supply Voltage | Single-ended or split supply operation: 10-35V DC |
| Current Consumption | Approximately 100 mA at maximum gain setting |
| Power Requirements | ≤ 1.3W (typical) dependent on output power level |
| Package Dimensions | Approximately 2.5 x 1.7 inches (6.4 cm x 4.3 cm) |
| Operating Temperature | -10°C to 60°C |
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