LM4864MMXSLASHNOPB datasheet(6/27 Pages) TI

tên linh kiện	LM4864MMX/NOPB

Giải thích chi tiết về linh kiện	LM4864 725mW Audio Power Amplifier with Shutdown Mode

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LM4864

SNAS109F – SEPTEMBER 1999 – REVISED MAY 2013

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External Components Description

(See Figure 1)

Components

Functional Description

Inverting input resistance which sets the closed-loop gain in conjunction with RF. This resistor also forms a high pass filter

with Ci at fc = 1/(2π RiCI).

Input coupling capacitor which blocks the DC voltage at the amplifier's input terminals. Also creates a highpass filter with Ri

at fc = 1/(2π RiCi). Refer to PROPER SELECTION OF EXTERNAL COMPONENTS for an explanation of how to determine

the value of Ci.

Feedback resistance which sets the closed-loop gain in conjunction with Ri.

Supply bypass capacitor which provides power supply filtering. Refer to POWER SUPPLY BYPASSING section for

information concerning proper placement and selection of the supply bypass capacitor.

Bypass pin capacitor which provides half-supply filtering. Refer to PROPER SELECTION OF EXTERNAL COMPONENTS

for information concerning proper placement and selection of CB.

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