PAM8302AAYCR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class D
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	2.5W x 1 @ 4 Ohm
Voltage - Supply:	2 V ~ 5.5 V
Features:	Depop, Short-Circuit and Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	8-DFN (3x3)
Package / Case:	8-WDFN Exposed Pad
Base Part Number:	PAM8302

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Audio amplifiers are devices that strengthen the signal of an audio signal source. Audio amplifiers amplify the small audio signal to the level required by the application. One of the most commonly used audio amplifiers is the PAM8302AAYCR, a dual-channel audio amplifier. This article will offer an overview of the PAM8302AAYCR\'s application field, working principle, and features.

Application Field

The PAM8302AAYCR is primarily used for headphone and speaker drive applications, as well as small and medium-sized audio systems. This amplifier has an output power of 1.3 watts (1.2W @ 4Ohm) which makes it suitable for driving a wide range of speakers, ranging from 4 Ohm to 8 Ohm. It has an operating voltage of 2.5V to 5.5V, making it suitable for applications with low voltage supplies. The amplifier is specifically designed for portable and low-power applications, such as portable media players, tablet computers, and cellular phones.

Working Principle

The PAM8302AAYCR is a dual-channel audio amplifier. It has a fully integrated, low-noise, high-stability amplifier. It provides two-channel analog audio output. The amplifier consists of a two-stage class AB design with an operating voltage of 2.5V to 5.5V. The amplifier cuts off when the voltage is below 2.5V. It has an output power of 1.3 watts (1.2W @ 4Ohm). The supply voltage range is 2.5V to 5.5V, making it suitable for applications with low voltage supplies.

Features

The PAM8302AAYCR is equipped with various features that make it suitable for various applications. One of its most important features is its low quiescent current. Its quiescent current is low, ranging from 5mA to 8mA, depending on the operating voltage range. This ensures low power consumption and longer battery life. The amplifier also has a low THD+N (total harmonic distortion plus noise) of 0.04 percent with a 1.2 V supply voltage. It also has an excellent signal-to-noise ratio of 88dB (1 kHz). The amplifier is also capable of driving two 8Ω loads simultaneously and has a wide operating temperature range of -40℃ to +85℃.

Another important feature of the PAM8302AAYCR is its tiny size. The 4-pin SOP package is extremely small, measuring just 2.95 mm x 2.95 mm, which makes it suitable for space-constrained audio applications. In addition, it has integrated thermal and short circuit protection to ensure safety and reliability. The amplifier also has a high power supply rejection ratio (PSRR) of 40dB, making it resistant to power supply fluctuations.

The PAM8302AAYCR is an efficient and reliable dual-channel audio amplifier. It is suitable for a wide range of applications, especially those with low voltage supplies, such as portable media players, tablet computers, and cellular phones. Its wide range of features, such as its low quiescent current, low THD+N, and high power supply rejection ratio, makes it an ideal choice for audio amplification.

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