TAS5805MPWPR datasheet(72/86 Pages) TI1

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Output Power (W)

100

D043

D156

PVDD = 5 V

PVDD = 7.4 V

PVDD = 12 V

PVDD = 18 V

PVDD = 24 V

Output Power (W)

0.001

0.002

0.005

0.01

0.02

0.05

0.1

0.2

0.5

0.01

0.1

D007

PVCC=18V

TA=25qC

RL=4:

D152

f=20Hz

f=1kHz

f=10kHz

TAS5805M

SLASEH5A – MAY 2018 – REVISED JULY 2018

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Table 52. Supporting Component Requirements for MONO (PBTL) system (With Inductor as output

filter) (continued)

REFERENCE

DESIGNATOR

VALUE

SIZE

DETAILED DESCRIPTION

C34

0.1uF

0603

CAP, CERM, 0.1 µF, 16 V, +/- 10%, X7R, 0603

C37,C39

1uF

0603

CAP, CERM, 1 µF, 16 V, +/- 10%, X5R, 0603

4.70k

0402

RES, 4.70 k, 1%, 0.0625 W, 0402

10.0k

0404

RES, 10.0 k, 1%, 0.063 W, 0402

C35,C38,C40,C41

0.22uF

0603

CAP, CERM, 0.22 µF, 50 V, +/- 10%, X7R, 0603

C32,C36

0.68uF

0805

CAP, CERM, 0.68 µF, 50 V, +/- 10%, X7R, 0805

L1,L2

4.7uH

Inductor, Shielded, 4.7 µH, 8.7 A

10.2.2.2 Detailed Design Procedure

For information about the Detailed Design Procedure, see the Detailed Design Procedures section.

10.2.2.3 Application Curves

Figure 120. Efficiency vs Output Power (Inductor as

Output Filter, Hybrid modulation, PBTL mode)

Figure 121. THD+N vs Output Power (Inductor as Output

Filter, Hybrid Modulation, PBTL mode)

10.2.3 Advanced 2.1 System (Two TAS5805M Devices)

In higher performance systems, the subwoofer output can be enhanced using digital audio processing as was

done in the high-frequency channels. To accomplish this, two TAS5805M devices are used - one for the high

frequency left and right speakers and one for the mono subwoofer speaker. In this system, the audio signal can

be sent from the TAS5805M device through the SDOUT pin. Alternatively, the subwoofer amplifier can accept

the same digital input as the stereo, which might come from a central systems processor. Figure 122 shows the

2.1 (Stereo BTL with Two TAS5805M devices) system application.

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