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TAS5760LDAPR Datasheet(PDF) 55 Page - Texas Instruments |
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TAS5760LDAPR Datasheet(HTML) 55 Page - Texas Instruments |
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55 / 77 page  1.0 UF 1.0 UF 1.0 UF 0.22UF 1.0 UF VDD System Processor & Associated Passive Components 0.22UF 0.22UF 0.22UF 10 l3 VDD 0.1 UF 0.1 UF 470 UF PVDD HIGH Æ 1101101[ R/ W] LOW Æ 1101100[ R/ W] 10 l3 24 25 1 2 3 4 5 6 7 8 9 12 13 14 15 16 48 47 46 31 30 29 28 27 26 23 22 21 20 19 10 11 SFT_CLIP ANA_REG VCOM ANA_REF SPK_FAULT SPK_SD FREQ/SDA PBTL/SCL SPK_GAIN0 SPK_GAIN1 SPK_SLEEP/ADR SCLK SDIN MCLK DVDD AVDD GGND BSTRPA+ SPK_OUTA+ PVDD PGND SPK_OUTA- BSTRPA- BSTRPB- PGND PVDD SPK_OUTB+ DGND LRCK BSTRPB+ SPK_OUTB- GVDD_REG LFILT CFILT LFILT CFILT TAS5760L www.ti.com SLOS782B – JULY 2013 – REVISED SEPTEMBER 2015 10.2.7 Mono PBTL Using Software Control, 32-Pin DAP Package Option Figure 53. Mono PBTL using Software Control, 32-Pin DAP Package Option 10.2.7.1 Design Requirements For this design example, use the parameters listed in Table 21 as the input parameters. Table 21. 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 10.2.7.2 Detailed Design Procedure 10.2.7.2.1 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 Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 55 Product Folder Links: TAS5760L |
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