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TAS5815PWPR 数据表(PDF) 7 Page - Texas Instruments |
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TAS5815PWPR 数据表(HTML) 7 Page - Texas Instruments |
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7 / 123 page  5.5 Electrical Characteristics Free-air room temperature 25°C, 1SPW Mode, LC filter=4.7uH+0.68uF, Fsw=768kHz, Class D Bandwidth=175kHz, (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Digital I/O |IIH| Input logic high current level for DVDD referenced digital input pins VIN(DigIn) = VDVDD 10 uA |IIL| Input logic low current level for DVDD referenced digital input pins VIN(DigIn) = 0 V –10 uA VIH(Digin) Input logic high threshold for DVDD referenced digital inputs 70% VDVDD VIL(Digin) Input logic low threshold for DVDD referenced digital inputs 30% VDVDD VOH(Digin) Output logic high voltage level IOH = 4 mA 80% VDVDD VOL(Digin) Output logic low voltage level IOH = –4 mA 20% VDVDD I2C CONTROL PORT CL(I2C) Allowable load capacitance for each I2C Line 400 pF fSCL(fast) Support SCL frequency No wait states, fast mode 400 kHz fSCL(slow) Support SCL frequency No wait states, slow mode 100 kHz SERIAL AUDIO PORT tDLY Required LRCLK/FS to SCLK rising edge delay 5 ns DSCLK Allowable SCLK duty cycle 40% 60% fS Supported input sample rates 32 96 kHz fSCLK Supported SCLK frequencies 32 64 fS fSCLK SCLK frequency 24.576 MHz AMPLIFIER OPERATING MODE AND DC PRAMETERS toff Turn-off Time Excluding volume ramp 10 ms AV(SPK_AMP) Programmable Gain Value represents the "peak voltage" disregarding clipping due to lower PVDD Measured at 0 dB input(1FS) 29.4 dBV ΔAV(SPK_AMP) Amplifier gain error Gain = 26.4 dBV 0.5 dB fSPK_AMP Switching frequency of the speaker amplifier 384 kHz fSPK_AMP Switching frequency of the speaker amplifier 768 kHz RDS(on) Drain-to-source on resistance of the individual output MOSFETs FET + Metallization. VPVDD=24 V, I(OUT)=500 mA, TJ=25 ℃ 120 mΩ PROTECTION OCETHRES Over-Current Error Threshold OUTxx Overcurrent Error Threshold 6 7 A UVETHRES(PVDD) PVDD under voltage error threshold condition 3.7 4 4.2 V OVETHRES(PVDD) PVDD over voltage error threshold 27 28.1 29.2 V DCETHRES Output DC Error protection threshold Class D Amplifier's output DC voltage cross speaker load to trigger Output DC Fault protection 1.9 V TDCDET Output DC Detect time Class D Amplifier's output remain at or above DCETHRES 570 ms OTETHRES Over temperature error threshold 160 ℃ OTEHystersis Over temperature error hysteresis 10 ℃ www.ti.com TAS5815 SLOSEA8 – DECEMBER 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: TAS5815 |
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