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TAS5760LDAPR Datasheet(PDF) 57 Page - Texas Instruments |
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TAS5760LDAPR Datasheet(HTML) 57 Page - Texas Instruments |
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57 / 77 page  1.0 UF 1.0 UF 1.0 UF 0.22UF 0.22UF 1.0 UF VDD 0.22UF 0.22UF 10 l3 VDD RCLIP2 1.0 UF HIGH Æ fSPK_AMP = 8 * fS LOW Æ fSPK_AMP = 16 * fS System Processor & Associated Passive Components Gain Set by Pin Decode 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 RCLIP1 0.1 UF 0.1 UF 470 UF PVDD 10 l3 LFILT CFILT LFILT CFILT TAS5760L www.ti.com SLOS782B – JULY 2013 – REVISED SEPTEMBER 2015 10.2.8 Mono PBTL Using Hardware Control, 32-Pin DAP Package Option Figure 54. Mono PBTL using Hardware Control, 32 Pin DAP Package Option 10.2.8.1 Design Requirements For this design example, use the parameters listed in Table 23 as the input parameters. Table 23. Design Parameters PARAMETER EXAMPLE Low Power Supply 3.3 V High Power Supply 5 V to 15 V I2S Compliant Master Host Processor GPIO Control Output Filters Inductor-Capacitor Low Pass Filter Speakers 4 Ω to 8 Ω 10.2.8.2 Detailed Design Procedure 10.2.8.2.1 Startup Procedures- Hardware Control Mode 1. Configure all hardware pins as required by the application using PCB connections (that is PBTL, FREQ, GAIN, etc.) 2. Start with SPK_SD pin pulled LOW and SPK_SLEEP/ADR pin pulled HIGH 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. Once power supplies and clocks are stable and all hardware control pins have been configured, bring SPK_SD HIGH 6. Once the device is out of shutdown mode, bring SPK_SLEEP/ADR LOW 7. The device is now in normal operation 10.2.8.2.2 Shutdown Procedures- Hardware Control Mode 1. The device is in normal operation 2. Pull SPK_SLEEP/ADR HIGH Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 57 Product Folder Links: TAS5760L |
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