Datasheet
Table Of Contents
- Table 1. Device summary
- 1 Schematic and pins connection diagrams
- 2 Electrical specifications
- 2.1 Absolute maximum ratings
- 2.2 Thermal data
- 2.3 Bridge amplifier section
- 2.4 Stereo amplifier application
- Figure 9. Typical stereo application circuit
- 2.4.1 Electrical characteristics (stereo application)
- Table 7. Electrical characteristics (stereo application)
- Figure 10. Quiescent output voltage vs. supply voltage (stereo amplifier)
- Figure 11. Quiescent drain current vs. supply voltage (stereo amplifier)
- Figure 12. Distortion vs. output power (stereo amplifier)
- Figure 13. Output power vs. supply voltage, RL = 2 and 4 W (stereo amplifier)
- Figure 14. Output power vs. supply voltage, RL = 1.6 and 3.2 W (stereo amplifier)
- Figure 15. Distortion vs. frequency, RL = 2 and 4 W (stereo amplifier)
- Figure 16. Distortion vs. frequency, RL = 1.6 and 3.2 W (stereo amplifier)
- Figure 17. Supply voltage rejection vs. C3 (stereo amplifier)
- Figure 18. Supply voltage rejection vs. frequency (stereo amplifier)
- Figure 19. Supply voltage rejection vs. C2 and C3, GV = 390/1 W (stereo amplifier)
- Figure 20. Supply voltage rejection vs. C2 and C3, GV = 1000/10 W (stereo amplifier)
- Figure 21. Gain vs. input sensitivity RL = 4 W (stereo amplifier)
- Figure 22. Gain vs. input sensitivity RL = 2 W (stereo amplifier)
- Figure 23. Total power dissipation and efficiency vs. output power (bridge)
- Figure 24. Total power dissipation and efficiency vs. output power (stereo)
- 3 Application suggestion
- 4 Application information
- Figure 25. Bridge amplifier without boostrap
- Figure 26. PC board and components layout of Figure 25
- Figure 27. Low cost bridge amplifier (GV = 42 dB)
- Figure 28. PC board and components layout of Figure 27
- Figure 29. 10 + 10 W stereo amplifier with tone balance and loudness control
- Figure 30. Tone control response (circuit of Figure 29)
- Figure 31. 20 W bus amplifier
- Figure 32. Simple 20 W two way amplifier (FC = 2 kHz)
- Figure 33. Bridge amplifier circuit suited for low-gain applications (GV = 34 dB)
- Figure 34. Example of muting circuit
- 4.1 Built-in protection systems
- 5 Package information
- 6 Revision history

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 (R
L
=4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. Distortion vs. output power (R
L
=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, R
L
= 2 and 4 (stereo amplifier). . . . . . . . . . . . . . . . . . 12
Figure 14. Output power vs. supply voltage, R
L
= 1.6 and 3.2 (stereo amplifier). . . . . . . . . . . . . . . 13
Figure 15. Distortion vs. frequency, R
L
= 2 and 4 (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 16. Distortion vs. frequency, R
L
= 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, G
V
= 390/1 (stereo amplifier) . . . . . . . . . . . . . 13
Figure 20. Supply voltage rejection vs. C2 and C3, G
V
= 1000/10 (stereo amplifier) . . . . . . . . . . . 14
Figure 21. Gain vs. input sensitivity R
L
= 4 (stereo amplifier) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 22. Gain vs. input sensitivity R
L
= 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 (R
L
= 4 ) . . . . . . . . . . . . . . . . . . . 22
Figure 39. Output power and drain current vs. case temperature (R
L
= 3.2 ) . . . . . . . . . . . . . . . . . . 22
Figure 40. Multiwatt11 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 23