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TAS3108DCPR bảng dữ liệu(PDF) 51 Page - Texas Instruments |
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TAS3108DCPR bảng dữ liệu(HTML) 51 Page - Texas Instruments |
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51 / 63 page ![]() www.ti.com B0099-03 External Microcontroller V I(SDA) DVDD I P I P V I(SCL) SDA R P R P SCL TAS3108/TAS3108IA B0100-03 TAS3108/TAS3108IA External Microcontroller V I DVDD I P SDA or SCL R S (2) V S (1) R S (2) R P 8.5.6 Reset Timing (TAS3108/TAS3108IA) TAS3108, TAS3108IA AUDIO DIGITAL SIGNAL PROCESSORS SLES152B – OCTOBER 2005 – REVISED NOVEMBER 2007 8.5.5.1 Recommended I2C Pullup Resistors It is recommended that the I2C pullup resistors RP be 4.7 kΩ (see Figure 8-5). If a series resistor is in the circuit (see Figure 8-6), then the series resistor RS should be less than or equal to 300 Ω. Figure 8-5. I2C Pullup Circuit (With No Series Resistor) (1) VS = DVDD × RS/S = RP). When driven low, VS << VIL requirements. (2) RS ≤ 300 Ω Figure 8-6. I2C Pullup Circuit (With Series Resistor) control signal parameters over recommended operating conditions; these measurements are specified by design (unless otherwise noted) PARAMETER TEST CONDITIONS MIN MAX UNIT tw(RESET) Pulse duration, RESET active 10(1) ns tr(run) Time to enable I2C PLL0 = PLL1 = MICROCLK_DIV = 0 10(1) ms (1) This measurement is specified by design. Submit Documentation Feedback Electrical Specifications 51 Not Recommended for New Designs |
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