LM4733 datasheet(9/23 Pages) NSC

tên linh kiện	LM4733

Giải thích chi tiết về linh kiện	3 Channel 30W Audio Power Amplifier with Mute

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Optional External Component

Interaction

Although the optional external components have specific

desired functions that are designed to reduce the bandwidth

and eliminate unwanted high frequency oscillations they may

cause certain undesirable effects when they interact. Inter-

action may occur for components whose reactances are in

close proximity to one another. One example would be the

coupling capacitor, C

C, and the compensation capacitor, Cf.

These two components act as low impedances to certain

frequencies which will couple signals from the input to the

output. Please take careful note of basic amplifier compo-

nent functionality when designing in these components.

The optional external components shown in Figure 4 and

Figure 5 and described above are applicable in both single

and split voltage supply configurations.

Typical Performance Characteristics

Supply Current

vs Supply Voltage

PSRR vs Frequency

±24V, V

RIPPLE =1VRMS

L =8

Ω, 80kHz BW

20079417

20079416

THD+N vs Frequency

±19V, P

OUT = 1W/Channel

L =4

Ω, 80kHz BW

THD+N vs Frequency

±24V, P

OUT = 1W/Channel

L =8

Ω, 80kHz BW

20079419

20079446

LM4733 bảng dữ liệu(PDF) 9 Page - National Semiconductor (TI)