Texas Instruments TPA3008D2

Contents

Main www.ti.com FEATURES DESCRIPTION Copyright 2004, Texas Instruments Incorporated 10-W STEREO CLASS-D AUDIO POWER AMPLIFIER PRODUCTION DATA information is current as of publication date. ABSOLUTE MAXIMUM RATINGS DISSIPATION RATING TABLE RECOMMENDED OPERATING CONDITIONS TPA3008D2 over operating free-air temperature range (unless otherwise noted) = 25C (unless otherwise noted) AVAILABLE OPTIONS DC ELECTRICAL CHARACTERISTICS TPA3008D2 = 25C, V = 12 V, R = 8 (unless otherwise noted) = 25C, V FUNCTIONAL BLOCK DIAGRAM TPA3008D2 TERMINAL FUNCTIONS TYPICAL CHARACTERISTICS TABLE OF GRAPHS TPA3008D2 TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISEvs vsFREQUENCY FREQUENCY Figure 5. Figure 6. OUTPUT POWER vsCLOSED-LOOP RESPONSE SUPPLY VOLTAGE Figure 7. Figure 8. OUTPUT POWER EFFICIENCYvs vsSUPPLY VOLTAGE OUTPUT POWER Figure 9. Figure 10. EFFICIENCY SUPPLY CURRENTvs vsTOTAL OUTPUT POWER TOTAL OUTPUT POWER Figure 11. Figure 12. CROSSTALK SUPPLY RIPPLE REJECTION RATIOvs vsFREQUENCY FREQUENCY Figure 13. Figure 14. COMMON-MODE REJECTION RATIOvsFREQUENCY Figure 15. APPLICATION INFORMATION Figure 16. Stereo Class-D With Differential Inputs CLASS-D OPERATION Traditional Class-D Modulation Scheme TPA3008D2 Modulation Scheme Efficiency: LC Filter Required With the Traditional Class-D Modulation Scheme Effects of Applying a Square Wave Into a Speaker When to Use an Output Filter for EMI Suppression RLrds(on)100% 8 Gain setting via GAIN0 and GAIN1 inputs INPUT RESISTANCE Figure 19. Typical LC Output Filter, Cutoff Frequency of 27 kHz, Speaker Impedance = 8 INPUT CAPACITOR, C SHUTDOWN OPERATION USING LOW-ESR CAPACITORS SHORT-CIRCUIT PROTECTION AND AUTOMATIC RECOVERY FEATURE THERMAL PROTECTION PRINTED-CIRCUIT BOARD (PCB) LAYOUT BASIC MEASUREMENT SYSTEM DIFFERENTIAL INPUT AND BTL OUTPUT CLASS-D RC LOW-PASS FILTER Page Page PACKAGING INFORMATION PACKAGE OPTION ADDENDUM TAPE AND REEL BOX INFORMATION PACKAGE MATERIALS INFORMATION Page Page Page Page IMPORTANT NOTICE