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TAS5760LDAPR Datasheet(PDF) 43 Page - Texas Instruments |
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TAS5760LDAPR Datasheet(HTML) 43 Page - Texas Instruments |
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43 / 77 page  TAS5760L www.ti.com SLOS782B – JULY 2013 – REVISED SEPTEMBER 2015 10.2.1.2.3.1 I²C Pullup Resistors It is important to note that when the device is operated in Software Control Mode, the customary pullup resistors are required on the SCL and SDA signal lines. They are not shown in the Typical Application Circuits, because they are shared by all of the devices on the I²C bus and are considered to be part of the associated passive components for the System Processor. These resistor values should be chosen per the guidance provided in the I²C Specification. 10.2.1.2.3.2 Digital I/O Connectivity The digital I/O lines of the TAS5760L are described in previous sections. As discussed, whenever a static digital pin (that is a pin that is hardwired to be HIGH or LOW) is required to be pulled HIGH, it should be connected to DVDD through a pullup resistor to control the slew rate of the voltage presented to the digital I/O pins. It is not, however, necessary to have a separate pullup resistor for each static digital I/O line. Instead, a single resistor can be used to tie all static I/O lines HIGH to reduce BOM count. For instance, if Software Control Mode is desired both the GAIN[1:0] and the PBTL/SCL pins can both be pulled HIGH through a single pullup resistor. 10.2.1.2.4 Recommended Startup and Shutdown Procedures The start up and shutdown procedures for both Hardware Control Mode and Software Control Mode are shown below. 10.2.1.3 Application Curve Table 10. Relevant Performance Plots PLOT TITLE PLOT NUMBER Figure 1. Output Power vs PVDD G001 Figure 2. THD+N vs Frequency With PVDD = 12 V, POSPK = 1 W G024 Figure 5. THD+N vs Output Power With PVDD = 12 V, Both Channels Driven G027 Figure 7. Efficiency vs Output Power G030 Figure 8. Crosstalk vs Frequency G031 Figure 9. PVDD PSRR vs Frequency G019 Figure 10. DVDD PSRR vs Frequency G020 Figure 11. Idle Current Draw vs PVDD (Filterless) G042 Figure 12. Idle Current Draw vs PVDD (With LC Filter as Shown on the EVM) G023 Figure 13. Shutdown Current Draw vs PVDD (Filterless) G022 Figure 14. Output Power vs PVDD G039 Figure 15. THD+N vs Frequency With PVDD = 12 V, POSPK = 1 W G002 Figure 18. THD+N vs Output Power With PVDD = 12 V, Both Channels Driven G008 Figure 20. Efficiency vs Output Power G014 Figure 21. Crosstalk vs Frequency G018 Figure 22. PVDD PSRR vs Frequency G019 Figure 23. Idle Current Draw vs PVDD (Filterless) G045 Figure 24. Idle Current Draw vs PVDD (With LC Filter as Shown on EVM) G044 Figure 25. Shutdown Current Draw vs PVDD (Filterless) G022 Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 43 Product Folder Links: TAS5760L |
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