TPA0102PWPRG4 datasheet(27/45 Pages) TI1

No. de pieza	TPA0102PWPRG4

Descripción Electrónicos	1.5-W STEREO AUDIO POWER AMPLIFIER

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Fabricante Electrónico	TI1 [Texas Instruments]

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TPA0102

1.5-W STEREO AUDIO POWER AMPLIFIER

SLOS166E – MARCH 1997 – REVISED MARCH 2000

27

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

APPLICATION INFORMATION

For example, if the 5-V supply is replaced with a 3.3-V supply (TPA0102 has a maximum recommended VDD

of 5.5 V) in the calculations of Table 1, then efficiency at 0.5 W would rise from 44% to 67% and internal power

dissipation would fall from 0.62 W to 0.25 W at 5 V. Then for a stereo 0.5-W system from a 3.3-V supply, the

maximum draw would only be 1.5 W as compared to 2.24 W from 5 V. In other words, use the efficiency analysis

to chose the correct supply voltage and speaker impedance for the application.

selection of components

Figure 62 and Figure 63 are a schematic diagrams of a typical notebook computer application circuits.

CB

CS

Right

MUX

RLINEIN

RHPIN

Left

MUX

LHPIN

LLINEIN

Bias, Mute,

Shutdown,

and SE/BTL

MUX Control

+

–

+

–

RBYPASS

MUTE IN

MUTE OUT

SHUTDOWN

LBYPASS

ROUT+

ROUT –

RVDD

LVDD

LOUT+

LOUT –

SE/BTL

HP/LINE

CIR

RIR

RFR

CFR

System

Control

CIL

RIL

NC

4

5

6

8

9

11

19

20

21

RFL

CFL

100 k

Ω

100 k

Ω

VDD

COUTR

COUTL

10

3

16

7

14

18

15

22

1 k

Ω

0.1

µF

Figure 62. TPA0102 Minimum Configuration Application Circuit

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TPA0102PWPRG4 Datasheet(PDF) 27 Page - Texas Instruments

TPA0102PWPRG4 Datasheet(HTML) 27 Page - Texas Instruments

Número de pieza similar - TPA0102PWPRG4

Descripción similar - TPA0102PWPRG4

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