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PCM5252 Datasheet(PDF) 55 Page - Texas Instruments |
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PCM5252 Datasheet(HTML) 55 Page - Texas Instruments |
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55 / 119 page  TPA6120A2 6 2 7 1 4 5 3 9 11 13 14 8 12 10 ROUT NC LOUT LIN+ NC NC RIN- NC LIN- RIN+ TPA6120A2RGY QFN14-RGY PowerPAD 0402 X7R 0.1 /25V mF 0402 X7R 0.1 /25V mF 0402 X7R 0.1 /25V mF 0402 X7R 0.1 /25V mF Vcc+ Vcc- 0603 806W 0603 806W RIGHT 3.5mm 3 1 2 LEFT 0603 X5R 10 /25V mF 0603 X5R 10 /25V mF 0805 1/8W 39.2W 0805 1/8W 39.2W HEADPHONE OUTPUT 0402 X7R 0.1 /16V mF TPS65135 15 16 14 13 12 11 10 9 8 7 6 5 4 3 2 1 OUTN OUTN FBG FB GND PGND PGND VAUX L2 L2 OUTP OUTP L1 L1 VIN EN 2 1 2.2 H m 0603 X5R 10 F/6.3V m 0402 X7R 0.1 /16V mF +3.3V 100LS 0805 1/8W 365kW 0805 1/8W 120k 0805 1/8W 487k Vcc+ Vcc- 0603 X5R 10 /6.3V mF 0603 X5R 10 /6.3V mF PowerPAD TPS65135 QFN16-RTE +3.3V to +5/-5V POWER SUPPLY W W OUTLN OUTLP OUTRP OUTRN RIN+ RIN- LIN- LIN+ +3.3V 0805 X7R 2.2 F/25V m +1.8V 0603 X5R 10 /10V mF 0402 X7R 0.1 /16V mF 0402 X7R 0.1 /16V mF 0402 X7R 0.1 /16V mF 0603 COG 1000pF/50V 0603 402W 0603 0603 X5R 10 /10V mF 0805 X7R 2.2 /25V mF 0603 0603 +3.3V 1.0mF 0603 PCM5242RHB 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 QFN32-RHB NC NC LRCK DIN BCK SCK GPIO6/FLT ADR1/MISO/FMT OUTLP VNEG OUTLN OUTRN OUTRP AVDD VCOM/DEMP AGND PCM5242RHB QFN32-RHB PowerPAD 0603 806W 0603 COG 1000pF/50V 0603 0603 0603 0603 0603 806W 2.2 /25V mF 0805 X7R XSMT 0402 10.0kW 0402 X7R 0.1 /16V mF +1.8V SOFT MUTE 402W 402W 402W 402W 402W 402W 402W PCM5252 www.ti.com SLASE63 – NOVEMBER 2014 10 Applications and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 10.1 Application Information 10.2 Typical Application Differential outputs DAC's are regularly used where higher performance is required from them compared to single ended output DACs. They offer twice as much output voltage for the same power supply, along with noise cancelling effect of differential signaling. The PCM5252 makes an ideal front end for both analog input speaker amplifiers and headphone amplifiers with its higher voltage differential output and low noise floor. 10.2.1 High Fidelity Smartphone Application A new trend in portable applications are termed "Hifi Smartphones". In these systems, a standard portable audio codec continues to be used for telephony, while a separate, higher performance DAC and Headphone Amplifier is used for music playback. Figure 75 shows a complete circuit schematic for such a system. The digital audio is fed into a high performance DAC. The PCM5252 is a 32-bit, stereo DAC. The PCM5252 is pin to pin and register set compatible with the PCM5242. The PCM5252 contains an expanded ROM that contains the Smart Amplifier Algorithm components. Figure 75. High Fidelity Smartphone Application Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 55 Product Folder Links: PCM5252 |
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