TS4984

Application Information

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4.10 Demoboard

A demoboard for the TS4984 is available.

For more information about this demoboard, please refer to Application Note AN2049, which can be

found on www.st.com.

Figure 70 shows the schematic of the demoboard. Figure 71, Figure 72 and Figure 73 show the

component locations, top layer and bottom layer respectively.

Figure 70: Demoboard schematic

1

2

12

16

15

Bias

3

AV = -1

Bypass L

Standby

+

-

+

-

AV = -1

+

-

+

-

10

9

8

7

11

Bypass R

VO-L

VO+L

VO-R

VO+R

IN-L

IN+L

IN+R

IN-R

U1

*

VCC

Cn1

C7

1u

C9

100nF

Vcc

GND

1

2

3

Cn8

VCC

Cn4

Cn7

R2

R3

C2

C3

Cn2

Cn3

Neg. Input L

GND

Pos. Input L

GND

Jumper J1

R6

R5

C5

C4

Cn6

Cn5

Neg. Input R

GND

Pos. Input R

GND

C1

R1

C6

R8

R4

R7

C8

1u

Neg. Output L

Pos. Output L

Neg. Output R

Pos. Output R