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TAS5424ATDKDRQ1G4 Datasheet(PDF) 8 Page - Texas Instruments |
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TAS5424ATDKDRQ1G4 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 55 page  TAS5414A, TAS5424A SLOS535C – MAY 2009 – REVISED APRIL 2011 www.ti.com RECOMMENDED OPERATING CONDITIONS (1) (continued) MIN TYP MAX UNIT VAIN_5414 (2) Analog audio input signal level (TAS5414A) AC-coupled input voltage 0 0.25 –1(3) Vrms Analog audio input signal level (TAS5424A) AC-coupled input voltage 0 Vrms VAIN_5424 (2) 0.5 –2(3) fAUDIO_TW Audio frequency for tweeter detect 10 20 25 kHz TA Ambient temperature –40 105 °C An adequate heat sink is required TJ Junction temperature –40 115 °C to keep TJ within specified range. RL Nominal speaker load impedance 2 4 Ω VPU Pullup voltage supply (for open-drain logic outputs) 3 3.3 or 5 5.5 V Resistor connected between RPU_EXT External pullup resistor on open-drain logic outputs open-drain logic output and VPU 10 47 100 k Ω supply RPU_I2C 1 4.7 10 k Ω I2C pullup resistance on SDA and SCL pins Total resistance of voltage divider for I2C address RI2C_ADD 10 100 k Ω slave 1 or slave 2, connected between D_BYP and GND pins RREXT External resistance on REXT pin 1% tolerance required 19.8 20 20.2 k Ω CD_BYP External capacitance on D_BYP pin 10 120 nF CA_BYP External capacitance on A_BYP pin 10 120 nF External capacitance to analog input pin in series CIN 1 μF with input signal CFLY Flying capacitor on charge pump 0.47 1 1.5 μF CP Charge pump capacitor 0.47 1 1.5 μF CMUTE Capacitance on MUTE pin 100 330 nF COSCSYNC_MAX Allowed loading capacitance on OSC_SYNC pin 5 pF (2) Signal input for full unclipped output with gains of 32 dB, 26 dB, 20 dB, and 12 dB (3) Maximum recommended input voltage is determined by the gain setting. 8 Copyright © 2009–2011, Texas Instruments Incorporated TAS5414A: Not Recommended For New Designs |
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