MAX9751 Archives - Amplifier Circuit Design https://amplifiercircuit.net/tag/max9751 Amplifier Project Schematic Diagram Tue, 26 Jul 2011 06:56:43 +0000 en-US hourly 1 103688205 2.6W Two Channel Amplifier based MAX9751 https://amplifiercircuit.net/2-6-watts-two-channel-amplifier.html https://amplifiercircuit.net/2-6-watts-two-channel-amplifier.html#respond Mon, 25 Jul 2011 13:04:34 +0000 http://amplifiercircuit.net/?p=29 This amplifier circuit based MAX9751 IC which work on the 5 Volt voltage, unipolar, and a 2.6 Watt power output […]

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]]> 2.6 Watts Power Amplifier.This amplifier circuit based MAX9751 IC which work on the 5 Volt voltage, unipolar, and a 2.6 Watt power output per channel. In addition, there is a headphone output with separate amplifier and the input selector inputs – you can connect two sources of signal.

Characteristic :

Supply voltage : 4,5V-5,5V
Supply current absence of a signal : 14mA
Output power (max) : 2.6W
THD (P = 1W, RL = 4 Ohm) : 0.02%
S / N ratio : 90dB
Frequency range 22-22000Hz

A few more words on the chip. This is a bridge amplifier class AB integrated into the protection against overheating, short circuit protected outputs, suppression of inrush current when you turn on and off the amplifier.

Parts list :

Components Value
C1 1uF
C2 1uF
C3 1uF
C4 1uF
C5 1uF
C6 1uF
C7 1uF
C8 1uF
C9 0.1
S1 Anyone with a fixation
XS1 Headphone jack – depends on the headphones
DA1 MAX9751

Datasheet can be downloaded here.

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