TS4872(2002) 查看數據表（PDF） - STMicroelectronics

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TS4872
(Rev.:2002)

RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE

STMicroelectronics 

TS4872

APPLICATION INFORMATION

Fig. 80 : Demoboard Schematic

Vcc

S1 Vcc

S2

GND

C1

R2

C2

R1

Neg. input

J1

Neg. input

J2

R3

C3

Vcc

C6 +

100µ

C7

100n

6

U1

Pos input

J3

R4

C5

C4

R5

S5

Positive Input mode

1 Vin- -

7 Vin+ +

R6

Pos input

J4

Vcc R7

100k

3 Bypass

5 Standby

Bias

S8

+

C12

C8

2

Standby

1u

100n

+

C11

1u

Vout1 8

-

Av=-1

+

Vout2 4

TS4872

C9

+

470µ

C10

+

470µ

S6

OUT1

S3

GND

S4

GND

S7

Fig. 81 : Flip Chip Demoboard Components

Side

Fig. 82 : Flip Chip Demoboard Top Layer

20/29

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