Audio Amplifiers
Products (7)
E-TDA7377 - 2x38W Dual/Quad Audio Amplifier | STMicroelectronics
The E-TDA7377 is a class AB audio power amplifier from STMicroelectronics, designed for car radio and high-power audio applications. It delivers up to 38W per channel in dual-bridge configuration (2x38W) or 4x10W in quad single-ended mode, operating from a supply voltage range of 8V to 18V. The device is housed in a Multiwatt-15 package, providing excellent thermal performance for high-power dissipation. An audio power amplifier is an electronic device that increases the amplitude of low-power audio signals to a level sufficient to drive loudspeakers. In a car audio system, the amplifier takes the low-level signal from the head unit and boosts it to drive the speakers, providing the necessary current and voltage swing. The E-TDA7377 belongs to the class AB amplifier family, which offers a good compromise between efficiency and linearity, making it suitable for high-fidelity audio reproduction. Key features of the E-TDA7377 include a wide supply voltage range (8V to 18V), low quiescent current, and high output power. It incorporates standby and mute functions for power management, and features short-circuit, thermal, and over-voltage protection. The device also has a very low external component count, simplifying PCB design and reducing system cost. The E-TDA7377 uses a complementary NPN/PNP output stage with a Darlington configuration, providing high current gain and low output impedance. The amplifier is designed to operate with a single-ended or bridge-tied load (BTL) configuration, allowing flexible system design. The Multiwatt-15 package includes a metal tab for heatsinking, enabling efficient heat dissipation in high-power applications. Typical applications include car radio amplifiers, active speaker systems, and high-power audio systems. In a car radio, the E-TDA7377 can drive four speakers directly, providing a complete audio solution with minimal external components. The device's high output power and low distortion make it suitable for high-quality audio reproduction. When designing with the E-TDA7377, ensure adequate heatsinking is provided to keep the junction temperature within safe limits. The standby and mute pins allow for power management and pop-free turn-on/off. Proper PCB layout with short, wide traces for power and ground is essential to minimize noise and ensure stable operation.
STA8600A - High-Performance Audio Amplifier IC | STMicroelectronics
The STA8600A is a high-performance audio amplifier integrated circuit from STMicroelectronics, designed for automotive and consumer audio systems. It delivers up to 4 x 50W output power into 4Ω loads, with a wide supply voltage range of 6V to 18V. The device is housed in a 36-pin PowerSO package, providing excellent thermal performance for high-power applications. An audio amplifier is an electronic device that increases the amplitude of audio signals, driving speakers or transducers. It is a critical component in the audio signal chain, converting low-power audio signals into high-power outputs suitable for loudspeakers. Audio amplifiers are classified into classes (A, B, AB, D) based on their operating principles and efficiency. The STA8600A is a Class AB amplifier, offering a balance between linearity and efficiency, making it suitable for high-fidelity audio reproduction. Key features of the STA8600A include a high signal-to-noise ratio of 100 dB, low total harmonic distortion of 0.01% at 1 kHz, and a wide operating temperature range of -40°C to +105°C. The device integrates multiple protection features, including overcurrent, overtemperature, and short-circuit protection, ensuring reliable operation in demanding environments. The PowerSO package with exposed pad enhances heat dissipation, allowing continuous high-power output without external heatsinks in moderate conditions. The STA8600A utilizes a complementary bipolar output stage with a precision bias circuit, achieving low crossover distortion and stable quiescent current. The device supports multiple output configurations, including stereo and quad-channel modes, providing flexibility for various system designs. Its high PSRR of 80 dB minimizes power supply noise, ensuring clean audio output even with noisy supply rails. Typical applications include car audio head units, external amplifiers, home theater systems, and active speakers. The wide supply voltage range makes it compatible with both 12V automotive systems and 18V consumer electronics. The integrated protection features reduce external component count, simplifying PCB design and improving system reliability. When designing with the STA8600A, ensure adequate PCB copper area for thermal dissipation, especially when driving low-impedance loads at high power. The exposed pad must be soldered to a large ground plane to achieve the specified thermal resistance. Proper decoupling on the supply pins is essential to maintain stability and minimize distortion.
STA8610A - High-Performance Audio Amplifier IC | STMicroelectronics
The STA8610A is a high-performance audio amplifier integrated circuit from STMicroelectronics, designed for automotive and consumer audio systems. It delivers up to 4 x 50W output power into 4Ω loads, with a wide supply voltage range of 6V to 18V. The device is housed in a 36-pin PowerSO-36 package, providing excellent thermal performance for high-power applications. An audio amplifier is an electronic device that increases the amplitude of audio signals, driving speakers or headphones with sufficient power and fidelity. In the signal chain, the audio amplifier sits between the preamplifier (or DAC) and the speakers, converting low-level audio signals into high-power outputs. It is a critical component in the audio system hierarchy, which includes sources (e.g., CD players, smartphones), preamplifiers, amplifiers, and transducers. The STA8610A belongs to the class of analog power amplifiers, specifically designed for multi-channel applications. Key features of the STA8610A include a high output power of 4 x 50W at 10% THD, a low quiescent current of 120mA, and a wide operating temperature range of -40°C to +105°C. The device integrates short-circuit protection, thermal shutdown, and standby/mute functions, ensuring robust operation in demanding environments. Its high efficiency and low distortion make it suitable for high-fidelity audio reproduction. The STA8610A utilizes a complementary MOS (CMOS) output stage, providing high current capability and low output impedance. The device features a differential input stage for improved noise rejection and a sophisticated bias circuit to minimize crossover distortion. The PowerSO-36 package with exposed pad enhances heat dissipation, allowing continuous operation at high power levels without external heatsinks in moderate conditions. Typical applications include car audio head units, home theater systems, and active speaker systems. In automotive applications, the STA8610A's wide supply range and robust protection features ensure reliable performance under varying battery conditions. In home theater, its multi-channel capability simplifies the design of surround-sound amplifiers. When designing with the STA8610A, ensure adequate PCB copper area for thermal management, especially when driving low-impedance loads at high power. The standby and mute pins allow for power management and pop-noise reduction during power-up and shutdown sequences.
TDA7376PDTR - 2x38W Audio Amplifier | STMicroelectronics
The TDA7376PDTR is a dual-channel audio power amplifier from STMicroelectronics, designed for high-quality car radio and multimedia applications. It delivers up to 38W per channel into a 4Ω load with a 14.4V supply, making it suitable for driving mid-range speakers in automotive audio systems. The device is housed in a PowerSO-20 package, which provides excellent thermal performance for continuous operation. An audio power amplifier is an electronic device that increases the amplitude of low-power audio signals to a level sufficient to drive loudspeakers. In a car audio system, the amplifier takes the low-level signal from the head unit and boosts it to drive the speakers, providing the necessary current and voltage swing. The TDA7376PDTR is a class AB amplifier, which offers a good balance between efficiency and linearity, minimizing distortion while maintaining reasonable power dissipation. Key features of the TDA7376PDTR include a wide supply voltage range from 8V to 18V, a high output power of 38W per channel at 10% THD, and a low quiescent current of 120mA. The device also features standby and mute functions for power management, and a pop-free turn-on/off sequence to eliminate audible clicks. The PowerSO-20 package with exposed pad ensures efficient heat dissipation, allowing the amplifier to deliver full power without external heatsinking in many applications. The TDA7376PDTR uses a complementary output stage with a bipolar transistor design, providing high current capability and low saturation voltage. The amplifier includes internal thermal protection and short-circuit protection, enhancing reliability in automotive environments. The device is designed to operate over a temperature range of -40°C to +150°C, making it suitable for under-hood and in-cabin installations. Typical applications include car radio power amplifiers, active speaker systems, and multimedia sound systems. The high output power and low distortion make it ideal for driving 4Ω speakers in automotive audio, where space and thermal constraints are critical. The standby and mute functions allow for efficient power management in battery-powered systems. When designing with the TDA7376PDTR, ensure adequate power supply decoupling with a 1000µF electrolytic capacitor and a 100nF ceramic capacitor close to the supply pins. The exposed pad must be soldered to a large copper area for thermal management. The mute and standby pins should be controlled with appropriate logic levels to avoid pop noise during power-up.
TDA7388 - 4x45W Quad Bridge Car Radio Amplifier | STMicroelectronics
The TDA7388 is a class AB audio power amplifier from STMicroelectronics designed for car radio applications, delivering 4 x 45 W of output power into a 4 ohm load with a 14.4 V supply. It integrates four independent amplifier channels in a single Flexiwatt 25 package, providing a compact solution for multi-channel audio systems. A class AB audio amplifier is a type of linear amplifier that conducts current through both output devices for the entire signal cycle, offering a balance between efficiency and linearity. In the hierarchy of audio amplification, class AB amplifiers sit between class A (high linearity, low efficiency) and class D (high efficiency, lower linearity), making them a common choice for automotive head units where sound quality and thermal management are both important. The TDA7388 fits into the broader category of power management ICs and audio amplifiers used in infotainment systems. Key features of the TDA7388 include a wide supply voltage range of 8 V to 18 V, a high output power of 45 W per channel at 10% THD, and a low quiescent current of 120 mA. It also features standby and mute functions for power saving and noise suppression, along with short-circuit and thermal protection. The amplifier operates over a temperature range of -40C to +105C, making it suitable for automotive environments. The TDA7388 uses a complementary output stage with a bipolar transistor architecture, providing high current capability and low distortion. The device includes a differential input stage for improved noise rejection and a bootstrap circuit to maximize output swing. The Flexiwatt 25 package offers a low thermal resistance of 1.5 C/W, enabling efficient heat dissipation through the exposed metal tab. Typical applications include car radio head units, aftermarket car audio amplifiers, and marine audio systems. The high output power and low distortion make it ideal for driving 4 ohm speakers in automotive sound systems, where space and thermal constraints are critical. When designing with the TDA7388, ensure adequate heatsinking to manage the heat generated at high output power levels. The standby and mute pins should be controlled by a microcontroller for proper power sequencing and pop-free operation. Input coupling capacitors are required to block DC offset from the source. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the STMicroelectronics datasheet, providing a comprehensive resource for engineers selecting a quad-channel car audio amplifier.
TDA7560H - 4x45W Quad BCD Power Amplifier | STMicroelectronics
The TDA7560H is a quad-channel BCD (Bipolar-CMOS-DMOS) power amplifier designed for car radio applications, delivering up to 45W per channel into 4Ω loads. It operates from a 8V to 18V supply and features a flexible audio configuration, including 4x45W, 3x45W+2x68W, or 2x45W+2x68W output modes. The device is housed in a 27-lead Flexiwatt27 (H) package, which is a vertical surface-mount package with an exposed metal tab for thermal dissipation. A power amplifier is an electronic device that increases the amplitude of an audio signal to drive speakers. In automotive audio systems, power amplifiers are essential for delivering sufficient volume and clarity. The TDA7560H belongs to the class of analog audio power amplifiers, specifically the BCD technology family, which integrates bipolar, CMOS, and DMOS transistors on a single chip. This technology enables high output power, low distortion, and efficient thermal management. Key features of the TDA7560H include a maximum output power of 45W per channel (at 14.4V, 4Ω, 10% THD), a signal-to-noise ratio of 90dB, and a wide supply voltage range of 8V to 18V. It also offers a standby and mute function for power management, and a full set of protection features including DC offset detection, overvoltage, undervoltage, short-circuit, and thermal shutdown. The device is designed for high reliability in automotive environments, with an operating temperature range of -40°C to +105°C. The TDA7560H uses a BCD process that combines the best of bipolar (high precision), CMOS (low power), and DMOS (high voltage/current) technologies. This architecture allows for efficient power delivery with low quiescent current and minimal distortion. The amplifier's output stage is configured as a complementary push-pull pair, providing high current capability and low crossover distortion. The device also includes a diagnostic pin for fault detection, which is crucial for automotive safety systems. Typical applications for the TDA7560H include car radio head units, external automotive amplifiers, and other in-vehicle audio systems. Its high output power and flexible configuration make it suitable for driving multiple speakers, including subwoofers and full-range speakers. The device is also used in marine and off-road vehicle audio systems where robust performance is required. When designing with the TDA7560H, it is important to ensure adequate heat sinking, as the device can dissipate significant power at high output levels. The exposed metal tab should be connected to a large copper area on the PCB to improve thermal performance. Additionally, proper decoupling capacitors should be placed close to the supply pins to minimize voltage ripple and ensure stable operation.
TDA75610S-48X - 4x45W Quad BTL Car Radio Amplifier | STMicroelectronics
For detailed specifications, refer to the official ST datasheet (ST Doc ID 023032) available at [ST's product page](https://www.st.com/en/automotive-audio-and-drivers/tda75610s-48x.html) and the product pages on [DigiKey](https://www.digikey.com/en/products/detail/stmicroelectronics/TDA75610S-48X/123456) and [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/TDA75610S-48X?qs=123456).