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The ULF is made on the TDA7377 integrated circuit. This chip is a class AB amplifier. Based on this chip, you can assemble an amplifier using a minimum of elements. It can be recommended to novice radio amateurs for self-assembly of a home or car speaker system.
Specifications:
Supply voltage, V................……….10-18
Band of reproducible frequencies, Hz……..20-20000
Input impedance, kOhm………………..15
Harmonic coefficient, at Upit=14.4V, Р=0.1-10W, % ....………..0.03
Gain, dB......................……...26
Rated output power, at U=14.4B і R=4Ohm, W......................…………….2x20
Maximum output power, at U = 18V and R = 4Ω, W .............………….2x30
Circuit diagram
Element layout
Building and configuring the module
The assembly of the amplifier is carried out according to the instructions that come with the designer. The seats on the board and the ratings of the parts are indicated in the instructions.
WARNING!
The STB switch puts the IC into standby mode with a current consumption of not more than 60 μA. To transfer the microcircuit to the operating mode, it is necessary to close the STB contact with the VCC contact.
The MUT switch acts as a mute switch. To turn on the sound, you need to close the MUT contact with the VCC contact. It is recommended to install the IC on a heat sink with a total area of at least 400 sq. see
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На сайті виробника вказані такі габарити зібраного модуля: 37х30х27mm
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
If you need additional information, or you found an error in the description, or have other questions about this product, then our manager will help you: Денис - Днепр
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K-161_1
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
