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TPA6120A2RGYT Datasheet(PDF) 9 Page - Texas Instruments |
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TPA6120A2RGYT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 31 page DATA 24 23 22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 13 14 PCM1792 BCK SCK DGND VDD MS MDI MC MDO RST AGND2 IOUTR− VCC1 VCOML VCOMR IREF IOUTR+ AGND3R AGND1 ZEROL 1 2 3 4 ZEROR MSEL LRCK 28 27 26 25 VCC2L AGND3L IOUTL− IOUTL+ 5 V VCC2R 0.1 mF Controller 10 mF 3.3 V PCM Audio Data Source 0.1 mF 10 mF + + 47 mF 47 mF 5 V 10 mF 10 kW − + CF 2.7 nF RF 1 kW 0.1 mF 10 mF 5 V + V− V+ 4 12 13 14 −IND OUTD − + CF 2.7 nF RF 1 kW V− V+ 4 10 9 8 −INC − + CF 2.7 nF RF 1 kW V− V+ 4 3 2 1 − + CF 2.7 nF RF 1 kW V− V+ 4 5 6 7 11 11 11 11 −INB −INA OUTA OUTB OUTC − + 1 k VCC− 3 4 5 2 LOUT 0.1 mF VCC+ LIN− LIN+ 0.1 mF RO 39.2 W 4 − + RF VCC− 18 17 16 19 ROUT 0.1 mF VCC+ RIN− RIN+ 0.1 mF 20 1 kW 1 kW RI RF 1 kW RI 1 kW 1 kW 1 k RI RF 1 kW RI RF 10 mF 0.1 mF 5 V V+ 10 mF 0.1 mF −5 V V− OPA4134 100 mF 10 mF 12 V VCC+ 100 mF 10 mF −12 V VCC− TPA6120A2 RO 39.2 W TPA6120A2 www.ti.com SLOS431B – MARCH 2004 – REVISED FEBRUARY 2015 9.4 Device Functional Modes This device operates as a wide-bandwidth, current-feedback amplifier. 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 In many applications, the audio source is digital, and must go through a digital-to-analog converter (DAC) so that traditional analog amplifiers can drive the speakers or headphones. 10.2 Typical Application 10.2.1 High Voltage, High Fidelity DAC + Headphone Amplifier Solution Figure 13 shows a complete circuit schematic for such a system. The digital audio is fed into a high performance DAC. The PCM1792, a Burr-Brown product from TI, is a 24-bit, stereo DAC. Figure 13. Typical Application Circuit Copyright © 2004–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPA6120A2 |
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