LM48860

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SNAS398D – JANUARY 2008 – REVISED MAY 2013

External Components Description

(Figure 1)

Components

Functional Description

Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a high pass-pass

1.

C1

filter with Ri at fC = 1/(2RiC1). Refer to the section Proper Selection of External Components, for an explanation of how

to determine the value of C1.

Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a high pass-pass

2.

C2

filter with Ri at fC = 1/(2RiC2). Refer to the Power Supply Bypassing section for an explanation of how to determine the

value of C2.

3.

C3

Output capacitor. Low ESR ceramic capacitor (

≤100mΩ)

4.

C4

Flying capacitor. Low ESR ceramic capacitor (

≤100mΩ)

Tantalum capacitor. Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply

5.

C5

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

Ceramic capacitor. Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply

6.

C6

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

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