Contents

1

Device block diagram ..............................................................2

2

Pin description ....................................................................3

2.1

Pinout ........................................................................ 3

2.2

Pin list ........................................................................ 4

3

Electrical specifications ...........................................................5

3.1

Absolute maximum ratings....................................................... 5

3.2

Thermal data .................................................................. 5

3.3

Recommended operating conditions .............................................. 5

3.4

Electrical specifications ......................................................... 6

4

Characterization curves............................................................8

4.1

PCB layout .................................................................... 8

4.2

Characterization curves ......................................................... 8

4.2.1

For RL = 6 Ω ............................................................ 9

4.2.2

For RL = 8 Ω ........................................................... 11

5

Application information ...........................................................13

5.1

Application circuit ............................................................. 13

5.2

Mode selection ............................................................... 13

5.3

Gain setting .................................................................. 14

5.4

Input resistance and capacitance ................................................ 15

5.5

Internal and external clocks ..................................................... 15

5.5.1

Master mode (internal clock) ............................................... 15

5.5.2

Slave mode (external clock) ............................................... 16

5.6

Output low-pass filter .......................................................... 16

5.7

Protection functions ........................................................... 17

5.8

Diagnostic output.............................................................. 17

6

Package information..............................................................19

6.1

PowerSSO-36 EPU package information.......................................... 19

Revision history .......................................................................21

TDA7498L

Contents

DS6539 - Rev 6

page 22/23