1.5W Audio Amplifier with IC SSM2211

Description: The SSM22111 is a high-performance audio amplifier that delivers 1 W RMS of low distortion audio power into a bridge-connected 8-ohm speaker load (or 1.5 W RMS into a 4-ohm load). The SSM2211 operates over a wide temperature range and is specified for single-supply voltages between 2.7 V and 5.5 V. When operating from batteries, it continues to function down to 1.75 V. This makes the SSM2211 an ideal choice for unregulated applications, such as toys and games. Featuring a 4 MHz bandwidth and distortion below 0.2% THD + N at 1 W, superior performance is achieved at higher power or lower speaker load impedance compared to competitive units. Furthermore, when the ambient temperature is at 25 °C, THD + N is less than 1%, and VS = 5 V on a four-layer PCB, the SSM2211 delivers a 1.5 W output. The low differential DC output voltage results in negligible losses in the speaker winding, eliminating the need for high-value DC blocking capacitors. Battery life is extended by utilizing shutdown mode, which typically reduces quiescent current drain to 100 nA. Additionally, a Hi-Fi power amplifier circuit can be constructed using the TDA2050 power IC, which produces a power output of up to 32 watts. With good sound quality, high power, and very low distortion, this circuit is suitable for simple and cost-effective audio systems. The TDA2050 amplifier schematic diagram and PCB design illustrate this setup. Another circuit is the Class-D audio power amplifier based on the TDA8929T power chip. The TDA8929T serves as the controller in a two-chip set designed for a high-efficiency Class-D audio power amplifier system. The system is divided into two chips, with the TDA8929T functioning as the analog controller. There is also a 68 W audio amplifier circuit built around the LM3886 IC from National Semiconductor. The LM3886 is capable of delivering 68 W of continuous average power to a 4-ohm load and 38 W into an 8-ohm load with 0.1% THD + N from 20 Hz to 20 kHz. This Class AB audio power amplifier circuit can be constructed using the TDA2002 or TDA2003 power amplifier IC modules, which are replacements for the original LM383, now obsolete. This circuit is straightforward to build and requires minimal external components, featuring both short-circuit protection and thermal protection. Additionally, a circuit diagram for USB-powered computer speakers, commonly known as multimedia speakers for PCs, is available. This circuit employs a single-chip design, operates on low-voltage power supply, is compatible with USB power from computers, and features simple heat-sinking, cost-effectiveness, and wide temperature tolerance. At the core of this circuit is the IC TDA2822M. Furthermore, an audio amplifier circuit based on the single power IC TDA7294 is presented. The TDA7294 is designed for high-quality audio Class AB amplification in hi-fi applications, characterized by very low noise and distortion, wide bandwidth, and good output current capability, allowing it to deliver high power into both 4-ohm and 8-ohm loads.

The SSM22111 audio amplifier is designed for applications requiring efficient audio amplification with minimal distortion. It is particularly advantageous for battery-operated devices due to its low voltage operation and shutdown capability. The amplifier’s architecture supports a bridge configuration, allowing it to drive speakers effectively while maintaining high fidelity. The low quiescent current in shutdown mode is beneficial for prolonging battery life in portable devices.

The TDA2050 amplifier circuit exemplifies a robust solution for achieving high audio output in consumer electronics. Its simplicity and effectiveness make it suitable for various audio applications where space and cost are constraints. The TDA8929T Class-D amplifier represents a significant advancement in power efficiency, making it ideal for modern audio systems that prioritize energy conservation without compromising sound quality.

In consumer audio applications, the LM3886 provides a powerful option for delivering high-quality sound, suitable for home audio systems and professional setups. Its ability to deliver significant power with low distortion makes it a preferred choice among audio engineers.

The use of TDA2002 or TDA2003 in Class AB amplifier circuits ensures reliability and ease of assembly, making them accessible for DIY enthusiasts and manufacturers alike. The inclusion of protection features enhances the durability of these circuits in various operating conditions.

USB-powered multimedia speakers utilizing the TDA2822M IC offer a practical solution for computer audio needs, capitalizing on the convenience of USB power supply while maintaining sound quality.

Finally, the TDA7294 amplifier circuit stands out for its versatility in high-fidelity audio applications, making it suitable for both personal and professional audio setups. Its design considerations ensure that it meets the demands of modern audio performance standards.The SSM22111 is a high performance audio amplifier that delivers 1 W rms of low distortion audio power into a bridge-connected 8 © speaker load (or 1. 5 W rms into a 4 © load). The SSM2211 operates over a wide temperature range and is specified for single- supply voltages between 2.

7 V and 5. 5 V. When operating from batteries, it continues to ope rate down to 1. 75 V. This makes the SSM2211 the best choice for unregulated applications, such as toys and games. Featuring a 4 MHz bandwidth and distortion below 0. 2% THD + N @ 1 W, superior performance is delivered at higher power or lower speaker load impedance than competitive units. Furthermore, when the ambient temperature is at 25 °C, THD + N < 1%, and VS = 5 V on a four-layer PCB, the SSM2211 delivers a 1.

5 W output. The low differential dc output voltage results in negligible losses in the speaker winding and makes high value dc blocking capacitors unnecessary. The battery life is extended by using shutdown mode, which typically reduces quiescent current drain to 100 nA.

Here is a Hi-Fi power amplifier circuit, built with a power IC TDA2050. This circuit will produce a power output up to 32watt. With good sound quality, high power and very low distortion feature, this circuit will be very suitable for simple and cheap audio systems. TDA2050 Amplifier Schematic diagram: TDA2050 Amplifier PCB Design: About. The following diagram is the circuit diagram of Class-D audio power amplifier which built based on power chip TDA8929T.

About TDA8929T: The power IC TDA8929T is the controller of a two-chip set for a high efficiency class-D audio power amplifier system. The system is divided into two chips: TDA8929T; the analog controller chip inside a. Here the 68W power audio amplifier circuit which built based on single IC LM3886 from National Semiconductor.

The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4 load and 38W into 8 with 0. 1% THD+N from 20Hz-20kHz. Features: Maximum Output Power : 68W RMS - 108W. This is a class AB audio power amplifier circuit which built using a TDA2002 or TDA2003 power amplifier IC module.

These are replacements for the original LM383 which is no longer available. It is easy to build and has a minimum of external components. The module has both short circuit protection and thermal protection. It. This is the circuit diagram of USB powered computer speaker, or it widely known as multimedia speakers for PCs. The circuit has single-chipbased design, low-voltage electrical power supply, compatibility with USB power from computer, simple heat-sinking, inexpensive, large flexibility and wide temperature tolerance.

At the heart of the circuit is IC TDA2822M. This IC is, . This is a great audio amplifier circuit based on single power IC TDA7294. TDA7294 is intended for use as a high quality audio class AB amplifier in hi-fi applications. It has very low noise and distortion, wide bandwidth and good output current capability, enabling it to supply high power into both 4 © and 8 © loads. .