NXP Semiconductors TFA9810 15. Test information

TFA9810_3 © NXP B.V. 2008. All rights reserved.

Product data sheet Rev. 03 — 20 February 2008 25 of 29

NXP Semiconductors TFA9810

Audio ampliﬁer 2 x 12 W

14.8 Typical application: bill of materials

14.9 Snubber network

15. Test information

General Quality Speciﬁcation for General Applications, Power management and

RF Power. Document SNW-FQ-611 refers.

Table 13. Typical application: bill of materials

Item Quantity Reference Part Description

1 2 C1, C2. 220 µF/35 V General purpose 85 °C, diameter 8 mm

2 5 C3, C4, C5, C31, C33. 100 nF/50 V SMD 0805 X7R

3 2 C16, C17. 1 µF/50 V SMD 1206 X7R

4 4 C6, C7, C18, C26 1 µF/25 V MKT

5 4 C8, C10, C21, C24. 220 pF/25 V SMD 0402 NP0

6 4 C9, C14, C19, C25. 220 nF/25 V SMD 0805 X7R

7 1 C11 47 pF/25 V SMD 0402 NP0

8 4 C12, C13, C20, C23. 680 nF/25 V MKT

9 1 C15 330 nF/25 V SMD 0805 X7R

10 1 C22. 68 pF/25 V SMD 0402 NP0

11 1 C32 1000 µF/25 V CE12-02R

12 3 J1, J3, J6. Screw terminal Two pins

13 2 J2, J5. CINCH CINCH

14 2 J4, J7 Jumper Closed on demo board only

15 2 L1, L2. BEAD SMD 1206 Würth Elektronik

DC < 0.5 Ω10 MHz > 80 Ω

16 4 L3, L4, L5, L6. 22 µH 8RDY TOKO A7040HN-220M,

11RHBP TOKO A7503CY-220M or Sagami

7311NA-220M

17 5 R3 10 / 0.25 W / 5 % SMD 1206

18 4 R5, R14, R17, R26. 100 k / 0.1 W /

1 % for 20 dB

200 k / 0.1 W /

1 % for 26 dB

SMD 0603

19 12 R6, R7, R10, R11, R18,

R19, R22, R23, R31, R32,

R33, R34.

10 k / 0.1 W / 1 % SMD 0603

20 1 SW1 PCB switch Secme 090320901

21 1 U1 TFA9810T SOT287-1 (SO32) NXP Semiconductors

Table 14. Snubber network: bill of materials

Item Quantity Reference Part Footprint

1 4 C27, C28, C29, C30 470 pF, 25 V SMD 0805 X7R

2 4 R27, R28, R29, R30 10 / 0.25 W /

5 % SMD 1206

Contents

Main 1. General description 2. Features 4. Quick reference data TFA9810 Stereo full-bridge audio amplier 2 x 12 W Rev. 03 20 February 2008 Product data sheet Audio amplier 2 x 12 W = 25 5. Ordering information = 12 V; f = 550 kHz; Figure 33 unless otherwise specied Product data sheet Rev. 03 20 February 2008 3 of 29 6. Block diagram Fig 1. Block diagram 7. Pinning information 7.1 Pinning Fig 2. Pin conguration 7.2 Pin description 8. Functional description 8.1 General 8.2 Interfacing 8.3 Input comparators 8.3.1 Operating in self-oscillating conguration 8.3.2 Operating in open-loop conguration 8.4 Diagnostic 8.5 Protections Page Product data sheet Rev. 03 20 February 2008 8 of 29 NXP Semiconductors TFA9810 9. Internal circuitry Fig 4. Internal circuitry 0001 8.6 Start-up sequence Fig 3. Start-up sequence Product data sheet Rev. 03 20 February 2008 9 of 29 NXP Semiconductors TFA9810 Fig 5. Internal circuitry 0002 Fig 7. Internal circuitry 0004 Fig 6. Internal circuitry 0003 NXP Semiconductors TFA9810 Fig 8. Internal circuitry 0005 Fig 10. Internal circuitry 0007 Fig 9. Internal circuitry 0006 Fig 11. Internal circuitry 0008 Fig 12. Internal circuitry 0009 Fig 14. Internal circuitry 0011 Fig 13. Internal circuitry 0010 Audio amplier 2 x 12 W Fig 15. Internal circuitry 0012 Fig 18. Internal circuitry 0015 Fig 16. Internal circuitry 0013 Fig 17. Internal circuitry 0014 Fig 19. Internal circuitry 0016 Fig 20. Internal circuitry 0017 Fig 22. Internal circuitry 0019 Fig 21. Internal circuitry 0018 10. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). 11. Thermal characteristics 12. Characteristics = 25 12.1 Static characteristics In accordance with the Absolute Maximum Rating System (IEC 60134). 12.2 Dynamic characteristics = 25 = 12 V; f = 550 kHz; Figure 33 unless otherwise specied = 12 V; R 12.3 AC characteristics measured in a typical application = 25 = 8 = 25 = 12 V; R 13. Quality specication 14. Application information 14.1 Output power estimation 14.2 Output current limiting ------------------------------------------------------3 A +()+ DSon Rs (1) RL = 4 (2) RL = 6 (3) RL= 8 14.3 Speaker conguration and impedance 14.4 Differential input 14.5 Single-ended input 14.6 Curves measured in a typical application Fig 29. Input conguration for single-ended input Fig 30. Gain as a function of frequency VP= 12 V, Vi = 100 mV 14.7 Typical application diagram TFA9810 VP=12V,R Fig 32. Total harmonic distortion as a function of output power Fig 31. Total harmonic distortion + noise as a function of frequency VP=12V,R Fig 33. Typical application diagram TFA9810 Fig 34. Typical application diagram TFA9810 with externally adjusted switch-on time 14.8 Typical application: bill of materials 14.9 Snubber network 15. Test information 16. Package outline Fig 35. Package outline SOT287-1 (SO23) SO32: plastic small outline package; 32 leads; body width 7.5 mm SOT287-1 17. Revision history 18. Legal information 18.1 Data sheet status 18.2 Denitions 18.3 Disclaimers 18.4 Trademarks 20. Contents