List of figures

TDA2005

4/25

Doc ID 1451 Rev 6

List of figures

Figure 1.

Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2.

Pins connection diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 3.

Test and application circuit (bridge amplifier) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 4.

PC board and components layout of Figure 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5.

Output offset voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 6.

Distortion vs. output power (RL =4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 7.

Distortion vs. output power (RL =3.2 ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 8.

Bridge configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 9.

Typical stereo application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 10.

Quiescent output voltage vs. supply voltage (stereo amplifier). . . . . . . . . . . . . . . . . . . . . . 12

Figure 11.

Quiescent drain current vs. supply voltage (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 12.

Distortion vs. output power (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 13.

Output power vs. supply voltage, RL = 2 and 4 (stereo amplifier). . . . . . . . . . . . . . . . . . 12

Figure 14.

Output power vs. supply voltage, RL = 1.6 and 3.2 (stereo amplifier). . . . . . . . . . . . . . . 13

Figure 15.

Distortion vs. frequency, RL = 2 and 4 (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 16.

Distortion vs. frequency, RL = 1.6 and 3.2 (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . 13

Figure 17.

Supply voltage rejection vs. C3 (stereo amplifier). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 18.

Supply voltage rejection vs. frequency (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 19.

Supply voltage rejection vs. C2 and C3, GV = 390/1  (stereo amplifier) . . . . . . . . . . . . . 13

Figure 20.

Supply voltage rejection vs. C2 and C3, GV = 1000/10  (stereo amplifier) . . . . . . . . . . . 14

Figure 21.

Gain vs. input sensitivity RL = 4  (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 22.

Gain vs. input sensitivity RL = 2  (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 23.

Total power dissipation and efficiency vs. output power (bridge) . . . . . . . . . . . . . . . . . . . . 14

Figure 24.

Total power dissipation and efficiency vs. output power (stereo) . . . . . . . . . . . . . . . . . . . . 14

Figure 25.

Bridge amplifier without boostrap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 26.

PC board and components layout of Figure 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 27.

Low cost bridge amplifier (GV = 42 dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 28.

PC board and components layout of Figure 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 29.

10 + 10 W stereo amplifier with tone balance and loudness control. . . . . . . . . . . . . . . . . . 18

Figure 30.

Tone control response (circuit of Figure 29) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 31.

20 W bus amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 32.

Simple 20 W two way amplifier (FC = 2 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 33.

Bridge amplifier circuit suited for low-gain applications (GV = 34 dB) . . . . . . . . . . . . . . . . 20

Figure 34.

Example of muting circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 35.

Suggested LC network circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 36.

Voltage gain bridge configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 37.

Maximum allowable power dissipation vs. ambient temperature . . . . . . . . . . . . . . . . . . . . 22

Figure 38.

Output power and drain current vs. case temperature (RL = 4 ) . . . . . . . . . . . . . . . . . . . 22

Figure 39.

Output power and drain current vs. case temperature (RL = 3.2 ) . . . . . . . . . . . . . . . . . . 22

Figure 40.

Multiwatt11 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 23