TDA7492 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TDA7492

50 W + 50 W dual BTL class-D amplifier

STMicroelectronics 

Prev 21 22 23 24 25 26 27 28 29 30 Next

Applications circuit

5

Applications circuit

TDA7492

Figure 28. Applications circuit for class-D amplifier

& Q)

& Q)

&

Q)

6*1'

&

Q)

6*1'

 68%B*1'

 ,13$

 ,11$

 6*1'

2873$ 

2873$ 

3*1'$ 

3*1'$ 

)RU

6LQJOH(QGHG

,QSXW

-

6*1'

-

,1/



,1/



,15



,15



&

Q)

&

9''6  9''6

Q) 5 N  ',$*

6*1'

5

5 ',$*  9''3:

&

Q)  3*1'

6<1&/.

5

.

9''6

 6<1&/.

 526&

-  *$,1

 *$,1

,&

TD7'A$74923P

39&&$ 

39&&$ 

2871$ 

2871$ 

2873% 

2873% 

39&&% 

39&&% 

6*1'

)RU

-

 69&&

6LQJOH(QGHG

-

,QSXW

&

Q)  966

3*1'% 

3*1'% 

6*1'

& Q)

 ,13%

2871% 

9

9

287

& Q)

&

Q) 6*1'

 ,11%

6 087(







6 67%<

6*1'







6*1'

,& ,1

&

Q)

6*1'

 087(

5 N



&

X)

9 6*1'

 67%<

5 N 

&

X)

9&& 5

6*1'

9

2871% 

95() 

695 

&  /&= 

N

X)

 *1' &

5

Q) N

6*1'

6*1'

6*1'

6*1'

6*1'

932:(56833/<

7'C$lass-D3a6mOXpJliGfiReZr Q

&/$66'$03/,),(5

&

Q)

&

Q)

 &

X)

9

6*1'

 &

X)

9

6*1'

/

X+

5

5

&

S)

/

X+

/

X+

5

5

&

Q)

&

Q)

&

Q)

& 

X)

9

&

Q)

&

Q)

-

 287/

 287/

-

 9&&

 *1'

-

 2875

 2875

&

S)

&

Q)

/

X+

LC filter components

/&),/7(5&20321(17

L/oRDaGd

L1,L2,L3,L4

////

&C2&0,C26

4RKP 15 μHX+

470Q)nF

6RKP 22 μHX+

220Q)nF

8RKP

16RKP

33 μHX+

68 μHX+

220Q)nF

220Q)nF

Input settings for standby, mute and play:

STBY : MUTE

0V:0V

0 V : 3.3 V

3.3 V : 0 V

3.3 V : 3.3 V

Mode

Standby

Standby

Mute

Play

Input settings for gain:

GAIN0 : GAIN1

0V:0V

0 V : 3.3 V

3.3 V : 0 V

3.3 V : 3.3 V

Nominal gain

21.6 dB

27.6 dB

31.1 dB

33.6 dB

22/32

DocID014926 Rev 6

Share Link: