NXP Semiconductors TFA9812 manuals
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NXP Semiconductors TFA9812 Manual
66 pages 386.65 Kb
1. General description 2. Features TFA9812Rev. 02 22 January 2009 Preliminary data sheet BTL stereo Class-D audio amplier with I2S inputNXP Semiconductors TFA9812 2.2 DSP features 2.3 Audio data input interface format support 2 3. Applications3 4. Quick reference data=12V,V =0V,V = 3.3 V, ,f = 400 kHz, 24-bit I S input data, MCLK clock mode, typical application diagram (Figure 13). 4 5. Ordering information5 6. Block diagramFig 1. TFA9812 block diagramTFA9812 Preliminary data sheet Rev. 02 22 January 2009 6 of 66 6 7. Pinning information7.1 Pinning4 STABA O 1.8 V analog stabilizer output 5 REFA P Analog reference voltage 6V 7 TEST1 I T est signal input 1. F or test pur poses only (connect to V 8V TFA9812HN NXP Semiconductors TFA9812 8 8. Functional description27 9. I2C bus interface and register settings39 10. Internal circuitryD = xed control setting, determined by default I 42 11. Limiting valuesIn accordance with the Absolute Maximum Rating System (IEC 60134). 43 12. Thermal characteristicsIn accordance with the Absolute Maximum Rating System (IEC 60134). 44 13. Characteristics13.1 DC Characteristics = 400 kHz, 24-bit I = V = 0 V, V = 44.1 kHz, f 47 13.2 AC characteristics < 0.1 = 3.3 V, T , R , f S input data, MCLK clock mode, typical application diagram (Figure 13). 48 13.3 Timing49 14. Application information61 15. Package outlineFig 28. Package outline SOT619-8 (HVQFN48) 63 17. Revision history64 18. Legal information18.1 Data sheet status 18.2 Denitions 18.3 Disclaimers 18.4 Trademarks 19. Contact information 65 20. Contents
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