TS4997

Typical application schematics

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1

Typical application schematics

Figure 1 shows a typical application for the TS4997 with a gain of +6dB set by the input

resistors.

Figure 1.

Typical application schematics

Table 1.

External component descriptions

Components

Functional description

Input resistors that set the closed loop gain in conjunction with a fixed internal

Input coupling capacitors that block the DC voltage at the amplifier input

terminal. Thanks to common mode feedback, these input capacitors are

Supply bypass capacitors that provides power supply filtering.

Bypass pin capacitor that provides half supply filtering.

Cin1

330nF

Cb

1uF

Cs

1uF

Rin1

24k

Rin2

24k

1

2

4

3

14

12

11

9

10

BIAS

STBY

3D

EFFECT

LEFT

RIGHT

LI N-

RIN-

LI N+

RIN+

Bypass

GND

GND

LOUT-

LOUT+

ROUT-

ROUT+

-

+

+

-

Vcc

TS4997 - QFN16

Rin3

24k

Rin4

24k

Cin2

330nF

Cin3

330nF

Cin4

330nF

VCC

Left Speaker

8 Ohms

Right Speaker

8 Ohms

P1

Diff. input L-

P2

Diff. input L+

P3

Diff. input R-

P4

Diff. input R+

Optional