Brushless DC motor drive circuit

GENERAL DESCRIPTION\nThe TDA5142T is a bipolar integrated circuit used to drive 3-phase brushless DC motors in full-wave mode. The device is sensorless (saving of 3 hall-sensors) using the back-EMF sensing technique to sense the rotor position. It includes a brake function and 6 pre-drivers able to ? Full-wave commutation without position sensors\n? Built-in start-up circuitry\n? Six outputs that can drive three external transistor pairs:\n?? – output current 0.2 A (typ.)\n?? – low saturation voltage\n?? – built-in current limiter\n? Thermal protection\n? Tacho output without extra sensor\n? T;

恩XP

Brushless DC motor drive circuit

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PHI

PHI

TAC5142 Low-power pin controlled stereo audio codec with 100dB dynamic range ADC and 106dB dynamic range DAC

1 Features ? ADC Channel – Performance: ? Line differential input dynamic range: 100 dB ? Mic differential input dynamic range: 100 dB ? THD+N: –95 dB – Input voltage: ? Differential, 2-VRMS full-scale inputs ? Single-ended, 1-VRMS full-scale inputs – Configurable Digital HPF: ? 1 Hz(48K

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TI

德州儀器

TAC5142 Hardware-control stereo audio codec with 103dB dynamic range ADC and 110dB dynamic range DAC

1 Features ? Stereo audio ADC Channels – Performance: ? Line/Microphone differential input dynamic range: 103dB ? Differential input THD+N: –91dB – Input voltage: ? Differential, 2VRMS full-scale inputs ? Single-ended, 1VRMS full-scale inputs – ADC sample rates (fS) = 8kHz to 192kHz – Di

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TI

德州儀器

TAC5142 Hardware-control stereo audio codec with 103dB dynamic range ADC and 110dB dynamic range DAC

1 Features ? Stereo audio ADC Channels – Performance: ? Line/Microphone differential input dynamic range: 103dB ? Differential input THD+N: –91dB – Input voltage: ? Differential, 2VRMS full-scale inputs ? Single-ended, 1VRMS full-scale inputs – ADC sample rates (fS) = 8kHz to 192kHz – Di

文件：5.75721 Mbytes 頁數(shù)：62 Pages

TI

德州儀器