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TAS5760LDAPR Datasheet(PDF) 46 Page - Texas Instruments |
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TAS5760LDAPR Datasheet(HTML) 46 Page - Texas Instruments |
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46 / 77 page  1.0 µF 1.0 µF 1.0 µF 0.22 µF 0.22 µF 0.22 µF 0.22 µF 1.0 µF VDD System Processor & Associated Passive Components 38 39 1 2 3 4 5 6 7 8 9 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 37 36 35 34 33 32 31 30 29 28 27 26 25 10 11 ANA_REG VCOM ANA_REF SPK_FAULT SPK_SD FREQ/SDA PBTL/SCL DVDD SPK_GAIN1 SPK_SLEEP/ADR MCLK SDIN LRCK DGND NC NC NC NC NC NC NC SCLK SPK_GAIN0 SFT_CLIP GGND AVDD PVDD PVDD BSTRPA+ SPK_OUTA+ PGND SPK_OUTA- BSTRPB+ SPK_OUTB- PGND BSTRPB- PVDD PVDD NC NC NC NC NC NC NC SPK_OUTB+ BSTRPA- GVDD_REG 10 k VDD PVDD 0.1 µF 0.1 µF 470 µF HIGH→ 1101101[ R/ W] LOW 1101100[ → R/ W] 10 k LFILT C FILT LFILT C FILT TAS5760L SLOS782B – JULY 2013 – REVISED SEPTEMBER 2015 www.ti.com 10.2.3 Mono PBTL Using Software Control Figure 49. Mono PBTL Using Software Control 10.2.3.1 Design Requirements For this design example, use the parameters listed in Table 13 as the input parameters. Table 13. Design Parameters PARAMETER EXAMPLE Low Power Supply 3.3 V High Power Supply 5 V to 15 V I2S Compliant Master Host Processor I2C Compliant Master GPIO Control Output Filters Inductor-Capacitor Low Pass Filter Speakers 4 Ω to 8 Ω 10.2.3.2 Detailed Design Procedure 10.2.3.2.1 Startup Procedures- Software Control Mode 1. Configure all digital I/O pins as required by the application using PCB connections (that is SPK_GAIN[1:0] = 11, ADR, etc.) 2. Start with SPK_SD Pin = LOW 3. Bring up power supplies (it does not matter if PVDD/AVDD or DVDD comes up first, provided the device is held in shutdown.) 4. Once power supplies are stable, start MCLK, SCLK, LRCK 5. Configure the device via the control port in the manner required by the use case, making sure to mute the device via the control port 6. Once power supplies and clocks are stable and the control port has been programmed, bring SPK_SD HIGH 7. Unmute the device via the control port 8. The device is now in normal operation 46 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated Product Folder Links: TAS5760L |
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