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Description
High-output Dual Power Amplifier
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BA5417 Power Amplifier Description
The BA5417 is a dual OTL monolithic power IC with two built-in, high output speaker amplifier circuit. This device is manufactured by ROHM Semiconductors and Unironic Technologies Co. LTD. The IC BA5417 can deliver 5W per channel into 4 ohms loudspeakers at 12V DC supply voltage. This device BA5417 not only exceeds basic features but also has a built-in soft clip circuit, thermal shutdown and standby circuits function, soft clipping, wide operating voltage range etc. This device is compatible for radio cassette and Mini compo players use. It is developed to equip with standby switching functions for excellent total harmonic distortion (THD) around 0.1% at F = 1kHz; Pout = 0.5W and other basic features.
Pin Configuration and Special Notes
A High output of 10W (5W×2) can be produced when; Vcc =12V and RL=3Ω, and 5.6W (2.8 W×2) when VCC=9V and RL=3Ω.
● Supply voltage range of the device BA5417 is from 6 to 15V DC.
● The suggested supply voltage for this circuit is 12V DC.
● The filtering and well regulation of the power supply must be done according to the standards.
● The device BA5417 requires a heatsink.
● The circuit can be assembled on a perf board without much effect on the performance.
BA5417 Specifications and Features
● Excellent audio quality
— Total Harmonic Distortion = 0.1% (f = 1kHz, POUT = 0.5W)
— eN = 0.3mVrms (Rg = 10kΩ)
— RR = 55dB (fRR = 100Hz)
● Operates in a power supply voltage range from 6V to 15V.
● High power output.
— Power Out = 5.0W (Vcc = 12V, RL=3Ω, THD = 10%)
— Power Out = 2.8W (Vcc= 9V, RL=3Ω, THD = 10%)
● Switching sound (“pop” sound) generated when the power is switched on and off is small.
● Built-in circuit which prevents the ripple addition when starting the motor.
● Built-in thermal shutdown circuit
● Built-in standby switch that output is not influenced.
● Built-in soft clipping circuit
Working Principle of BA5417
In the circuit diagram shown below, The device BA5417 is configured to deliver 5×2 watts into 4 ohm loudspeakers at a supply voltage of 12 volts. Capacitors C10 and C11 are DC decoupling capacitors which block any DC level present in the input signals. C2 and C6 couples the amplifiers left and right power outputs to the corresponding loudspeakers. C1 and C5 are bootstrap capacitors. Bootstrapping is a method in which a portion of the amplifiers is taken and applied to the input. The prime objective of bootstrapping is to improve the input impedance. Networks R2, C7 and R1, C3 are meant for improving the high frequency stability of the circuit. C4 is the power supply filter capacitor. S1 is the standby switch. C8 is a filter capacitor. R3 and R4 set the gain of the left and right channels of the amplifier in conjunction with the 39K internal feedback resistors.
Application of BA5417
This makes the IC suitable for many low power applications. Some of them are listed below.
● Low power car audio applications
● Mini compo players
● Portable audio players
● Stereo component systems
● Radio cassettes
● Televisions
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
William Davis
Length of registration:7 years
The testing results for the Intergrated Circuits BA5417 ordered from Utsource website were satisfactory. The device was tested for function and performance and all tests were passed. The device was found to be in good working condition and met all the specifications as stated by the manufacturer. The device was also tested for power consumption and was found to be within the acceptable range. Over
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03/17/2023
Ruben Romo
Length of registration:5 years
excelente lo recomiendo
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04/28/2018
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BA5417
BA5417 has several brands around the world that may have alternate names for BA5417 due to regional differences or acquisition. BA5417 may also be known as the following names:
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