TDA7490

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Figure 3. Test and Application Circuit. (Bridge Configuration)

Table 2. Absolute Maximum Ratings

Table 3. Thermal Data

Symbol

Parameter

Value

Unit

DC Supply Voltage (no signal)

±30

V

35

W

Storage and Junction Temperature

–40 to 150

°C

Operating Temperature Range

0 to 70

°C

Maximum Voltage on pins # 6,8,10,18 referred to GND

±5V

Symbol

Parameter

Value

Unit

Thermal Resistance Junction-case

Typ.

1

°C/W

PWM-stage

PRE

+

-

-

+

470pF

470pF

R4

68K

R5 52.3K

L9 30

µ

INPUT

C23

235nF

PWM-stage

L10 30

µ

C26

470nF

dumping

(common

mode)

The LC filter is optimized for 8

Ω

(<->LC filter for 4

Ω in single-ended)

It hos to be changed for other loads

C24

235nF

C29

470nF

R28

10

R27

10

R25

Rload

PRE

470pF

470pF

R61

68K

R62 52.3K

D99AU1081

7

9

10

18

19

17

23

3

R63

4.7K

Int.

Int.

C40

C60

C59

C41