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

Contents TDA2005
2/25 Doc ID 1451 Rev 6
Contents
1 Schematic and pins connection diagrams . . . . . . . . . . . . . . . . . . . . . . . 5
2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Bridge amplifier section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3.1 Electrical characteristics (bridge application) . . . . . . . . . . . . . . . . . . . . . . 7
2.3.2 Bridge amplifier design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4 Stereo amplifier application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.4.1 Electrical characteristics (stereo application) . . . . . . . . . . . . . . . . . . . . . 11
3 Application suggestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.1 Built-in protection systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.1.1 Load dump voltage surge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.1.2 Short circuit (AC and DC conditions) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1.3 Polarity inversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1.4 Open ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1.5 Inductive load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1.6 DC voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1.7 Thermal shut-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1.8 Loudspeaker protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24