TDA7391PD13TR 查看數據表（PDF） - STMicroelectronics

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TDA7391PD13TR

32 W bridge car radio amplifier

STMicroelectronics 

TDA7391PD

Test and application circuit, block diagram

1

Test and application circuit, block diagram

Figure 1. Test and application circuit

IN+

IN-

VS

SW1

C2 0.22μF

C1 0.22μF

ST-BY

15 5

C5 100nF

16

OUT+

2

14

19

TDA7391PD

4

17

12

9

8 1,10,11,20

OUT-

CD

C3

33μF

GND

R2

56KΩ

+VS

C4 1000μF

Vref

R1

4.7KΩ

TO μC

D98AU871

Figure 2. Block diagram

VCC1

5

VCC2

16

+

-

STANDBY THRESHOLD

14

IN-

ICM

15

IN+

REFERENCES

SHORT CIRCUIT

DUMP & THERMAL

PROTECTION

COMMON

MODE

-

+

-

gm

+

VCC/2

POWER AMP

19

OUT-

LTS

V=f (Tj)

POWER AMP

THD

DETECT VS

LTS

17

DISABLE

CD

2

OUT+

+

PROGRAMMABLE

-

CURRENT CIRCUIT

MUTE THRESHOLD 9

MUTE

8

SYNC

12

S-GND

4

STANDBY

1,10,11,20

P-GND

D98AU872

3/11

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