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TFA9812 Datasheet(PDF) 5 Page - NXP Semiconductors |
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TFA9812 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 66 page xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx 6. Block diagram Fig 1. TFA9812 block diagram 15 16, 17 18, 19 10, 11 25 23, 24 26, 27 VDDP VSSP1 22 BOOT1P VDDP OUT1P VSSP2 BOOT1N OUT1N STAB1 BOOT2P STAB1 CONTROL LOGIC 20, 21 DRIVER HIGH 12 13, 14 VDDP VSSP2 VDDP OUT2P VSSP2 BOOT2N OUT2N STAB2 STAB2 XTALIN XTALOUT MCLK REFERENCES PROTECTION OVP UVP OCP OTP ODP WP CDELAY DIAG 1 2 47 31 39 41 42 45 TFA9812 010aaa217 CONTROL LOGIC DRIVER HIGH DRIVER LOW DRIVER LOW CONTROL LOGIC CONTROL LOGIC DRIVER HIGH DRIVER LOW DRIVER HIGH DRIVER LOW PWM CONTROLLER PWM CONTROLLER CONTROL INTERFACE REGISTER ADDRESS HEX 01 PHASED LOCKED LOOP THERMAL FOLDBACK OSCILLATOR ADC 10 34 35 36 37 38 POWERUP SDA/MS GAIN 33 ENABLE CSEL ADSEL2/PLIM2 ADSEL1/PLIM1 SCL/SFOR STABD REFD STABA REFA 30 29 48 8 EXPOSED DIE PADDLE VSS1 VSS2 46 45 44 BCK WS DATA CSEL TEST1 TEST2 AVOL VDDD(3V3) VDDA(3V3) VDDA 743 32 40 3 6 9 28 CLOCK PROTECTION LP UFP OFP IBP SERIAL AUDIO INTERFACE 10-BAND PARAMETRIC EQUALIZER VOLUME CONTROL AND SOFT MUTE INTER- POLATION FILTER AND DE-EMPHASIS POWER LIMITER GAIN |
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