Datasheet TDA7850 (STMicroelectronics) - 7

TDA7850 Electrical specifications 3 Electrical specifications 3.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit
VS Operating supply voltage 18 V VS (DC) DC supply voltage 28 V VS (pk) Peak supply voltage (for t = 50 ms) 50 V Output peak current IO repetitive (duty cycle 10 % at f = 10 Hz) 9 A non repetitive (t = 100 s) 10 A Ptot Power dissipation Tcase = 70 °C 80 W Tj Junction temperature 150 °C Tstg Storage temperature -55 to 150 °C
3.2 Thermal data Table 3. Thermal data Symbol Parameter Value Unit
Rth j-case Thermal resistance junction to case Max. 1 °C/W 7/18 Document Outline Table 1. Device summary 1 Block diagram and application circuit 1.1 Block diagram Figure 1. Block diagram 1.2 Standard test and application circuit Figure 2. Standard test and application circuit 2 Pin description Figure 3. Pin connection (top view) 3 Electrical specifications 3.1 Absolute maximum ratings Table 2. Absolute maximum ratings 3.2 Thermal data Table 3. Thermal data 3.3 Electrical characteristics Table 4. Electrical characteristics Figure 4. Components and top copper layer of the Figure 2. Figure 5. Bottom copper layer Figure 2. 3.4 Electrical characteristic curves Figure 6. Quiescent current vs. supply voltage Figure 7. Output power vs. supply voltage (RL = 4W) Figure 8. Output power vs. supply voltage (RL = 2W) Figure 9. Distortion vs. output power (RL = 4W) Figure 10. Distortion vs. output power (RL = 2W) Figure 11. Distortion vs. frequency (RL = 4W) Figure 12. Distortion vs. frequency (RL = 2W) Figure 13. Crosstalk vs. frequency Figure 14. Supply voltage rejection vs. frequency Figure 15. Output attenuation vs. supply voltage Figure 16. Power dissipation and efficiency vs. output power (RL = 4W, SINE) Figure 17. Power dissipation and efficiency vs. output power (RL = 2W, SINE) Figure 18. Power dissipation vs. output power (RL = 4W, audio program simulation) Figure 19. Power dissipation vs. output power (RL = 2W, audio program simulation) Figure 20. ITU R-ARM frequency response, weighting filter for transient pop 4 Application hints 4.1 SVR 4.2 Input stage 4.3 Standby and muting 4.4 DC offset detector 4.5 Heatsink definition 5 Package information Figure 21. Flexiwatt25 (vertical) mechanical data and package dimensions Figure 22. Flexiwatt25 (horizontal) mechanical data and package dimensions 6 Revision history Table 5. Document revision history