List of figures

TDA7391LV

4/23

DocID023014 Rev 3

List of figures

Figure 1.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2.

Test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3.

Multiwatt 11 pins connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Figure 4.

PowerSO-20 pins connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5.

Worts case battery cranking curve sample 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 6.

Worst case battery cranking curve sample 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 7.

Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 8.

Output power vs. supply voltage (RL = 3.2 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 9.

Output power vs. supply voltage (RL = 4 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 10.

Output power vs. supply voltage (RL = 8 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 11.

Distortion vs. output power (RL = 3.2 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 12.

Distortion vs. frequency (RL= 3.2 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 13.

Distortion vs. output power (RL = 4 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 14.

Distortion vs. frequency (RL = 4 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 15.

Distortion vs. output power (RL = 8 Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 16.

Distortion vs. frequency (RL = 8 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 17.

Distortion vs. output power (RL = 4 Ω, Vs = 6 V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 18.

Distortion vs. frequency (RL = 4 Ω, Vs = 6 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 19.

Distortion vs. output power (RL = 8 Ω, Vs = 6 V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 20.

Distortion vs. frequency (RL = 8 Ω, Vs = 6 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 21.

Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 22.

Common mode rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 23.

Total power dissipation and efficiency vs. output power (RL = 4 Ω) . . . . . . . . . . . . . . . . . . 14

Figure 24.

Power dissipation vs. average output power (audio program simulation, RL = 4 Ω). . . . . . 14

Figure 25.

Power dissipation vs. average output power (audio program simulation, RL = 4 Ω &

8 Ω, Vs = 6 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 26.

Power dissipation vs. output power (RL = 4 Ω & 8 Ω, sine, Vs = 6 V). . . . . . . . . . . . . . . . . 15

Figure 27.

Multiwatt 11 (vertical) package mechanical drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 28.

PowerSO-20 (slug-down) package mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 29.

PowerSO-20 (slug-up) package mechanical drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20