NXP Semiconductors TFA9812 User Manual
Browse online or download User Manual for Audio cards NXP Semiconductors TFA9812. NXP Semiconductors TFA9812 User's Manual
- Page / 66
- Table of contents
- BOOKMARKS
- 1. General description 1
- 2. Features 1
- 3. Applications 2
- 4. Quick reference data 3
- 5. Ordering information 4
- 6. Block diagram 5
- 7. Pinning information 6
- 8. Functional description 8
- 8.2.1 Control modes 9
- 8.2.2 Key operating modes 9
- C setting 10
- NXP Semiconductors 11
- 8.3 Power-up/power-down 13
- 8.4 Digital audio data input 14
- 8.5.1 Equalizer 16
- • The center frequency, f 18
- 8.5.6 Output power limiter 22
- ENABLE pin value Function 23
- 1 Switching enabled 23
- • OUTxx > V 25
- • OUTxx < REFA + 1 V 25
- C bus interface 27
- C write cycle description 28
- C read cycle description 28
- 9.5 Top-level register map 29
- 10. Internal circuitry 39
- 11. Limiting values 42
- 12. Thermal characteristics 43
- 13. Characteristics 44
- 13.2 AC characteristics 47
- 13.3 Timing 48
- 14. Application information 49
- 14.2 Output current limiting 50
- 15. Package outline 61
- 16. Handling information 62
- 17. Revision history 63
- 18. Legal information 64
- 19. Contact information 64
- 20. Contents 65
Summary of Contents
1. General descriptionThe TFA9812 is a high-efficiency Bridge Tied Load (BTL) stereo Class-D audio amplifierwith a digital I2S audio input. It is availa
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 10 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 11 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 12 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 13 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 14 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 15 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 16 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 17 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 18 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 19 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 2 of 66NXP SemiconductorsTFA9812BTL stereo Class-D aud
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 20 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 21 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 22 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 23 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 24 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 25 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 26 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 27 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 28 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
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TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 30 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 31 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 32 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 33 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 34 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 35 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 36 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 37 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 38 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 39 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 4 of 66NXP SemiconductorsTFA9812BTL stereo Class-D aud
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 40 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 41 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 42 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 43 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 44 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 45 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 46 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 47 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 48 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 49 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
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TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 50 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
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TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 56 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 57 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 58 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 59 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 6 of 66NXP SemiconductorsTFA9812BTL stereo Class-D aud
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 60 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 61 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 62 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 63 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 64 of 66NXP SemiconductorsTFA9812BTL stereo Class-D au
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 65 of 66continued >>NXP SemiconductorsTFA9812BTL
NXP SemiconductorsTFA9812BTL stereo Class-D audio amplifier with I2S input© NXP B.V. 2009. All rights reserved.For more information, please visit: http
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 7 of 66NXP SemiconductorsTFA9812BTL stereo Class-D aud
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 8 of 66NXP SemiconductorsTFA9812BTL stereo Class-D aud
TFA9812_2 © NXP B.V. 2009. All rights reserved.Preliminary data sheet Rev. 02 — 22 January 2009 9 of 66NXP SemiconductorsTFA9812BTL stereo Class-D aud
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