TDA7564B

List of figures

Doc ID 12734 Rev 4

5/34

List of figures

Figure 1.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 2.

Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3.

Flexiwatt25 pins connection diagram (top of view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 4.

PowerSO36 (slug-up) pins connection diagram (top of view). . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5.

Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 6.

Output power vs. supply voltage (4 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 7.

Output power vs. supply voltage (2 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 8.

Distortion vs. output power (4 W, STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 9.

Distortion vs. output power (4

, HI-EFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 10.

Distortion vs. output power (2

, STD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 11.

Distortion vs. frequency (4 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 12.

Distortion vs. frequency (2 W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 13.

Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 14.

Supply voltage rejection vs. freq. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 15.

Power dissipation and efficiency vs. output power (4 W, STD, SINE) . . . . . . . . . . . . . . . . 13

Figure 16.

Power dissipation and efficiency vs. output power (4

, Hi-eff, SINE) . . . . . . . . . . . . . . . . 13

Figure 17.

Power dissipation vs. average output power (audio program simulation, 4 W) . . . . . . . . . 13

Figure 18.

Power dissipation vs. average output power (audio program simulation, 2 W) . . . . . . . . . 13

Figure 19.

Turn - on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 20.

SVR and output behavior (case 1: without turn-on diagnostic). . . . . . . . . . . . . . . . . . . . . . 14

Figure 21.

SVR and output pin behavior (case 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 15

Figure 22.

Short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 23.

Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 24.

Load detection threshold - low gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 25.

Restart timing without diagnostic enable (permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 26.

Restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 27.

Current detection high: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 18

Figure 28.

Current detection low: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . . 18

Figure 29.

Thermal foldback diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 30.

Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 31.

Timing diagram on the I2C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 32.

Acknowledge on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 33.

Flexiwatt25 (horizontal) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . 30

Figure 34.

Flexiwatt25 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 31

Figure 35.

PowerSO36 (slug up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 32