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ALC888S-VD Folha de dados(PDF) 79 Page - Realtek Semiconductor Corp. |
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ALC888S-VD Folha de dados(HTML) 79 Page - Realtek Semiconductor Corp. |
79 / 92 page ALC888S-VD Datasheet 7.1+2 Channel HD Audio Codec with Two Independent SPDIF Outputs 71 Track ID: JATR-2265-11 Rev. 1.2 9. Electrical Characteristics 9.1. DC Characteristics 9.1.1. Absolute Maximum Ratings Table 80. Absolute Maximum Ratings Parameter Symbol Minimum Typical Maximum Units Power Supply Digital Power for Core Digital Power for HDA Link Analog DVDD DVDD-IO* LDO-IN** LDO-OUT1 3.0 1.5 4.5 4.05 3.3 3.3 5.0 4.5 3.6 3.6 5.5 4.95 V V V V Ambient Operating Temperature Ta 0 - +70 oC Storage Temperature Ts - - +125 oC ESD (Electrostatic Discharge) Susceptibility Voltage All Pins 4000 *: The digital link power DVDD-IO must be lower than the digital core power DVDD. **: The standard testing condition before shipping is AVDD = 5.0V unless specified. Customers designing with a different AVDD should contact Realtek technical support representatives for special testing support. 9.1.2. Threshold Voltage DVDD-IO= 1.5V ±5%/3.3V±5%, DVDD= 3.3V±5%, Tambient=25°C, with 50pF external load. Table 81. Threshold Voltage Parameter Symbol Minimum Typical Maximum Units Input Voltage Range Vin -0.30 - DVDD+0.30 V Low Level Input Voltage (HDA link) VIL - - 0.4×DVDD-IO V High Level Input Voltage (HDA link) VIH 0.6×DVDD-IO - - V High Level Output Voltage (HDA link) VOH 0.9×DVDD-IO - - V Low Level Output Voltage (HDA link) VOL - - 0.1×DVDD-IO V Low Level Input Voltage (SPDIF-IN, GPIOs) VIL - - 0.44×DVDD (1.45) V High Level Input Voltage (SPDIF-IN, GPIOs) VIH 0.56×DVDD (1.85) - - V High Level Output Voltage (SPDIF-OUT, GPIOs) VOH 0.9×DVDD - V Low Level Output Voltage (SPDIF-OUT, GPIOs) VOL - - 0.1×DVDD V Input Leakage Current - -10 - 10 µA Output Leakage Current (Hi-Z) - -10 - 10 µA Output Buffer Drive Current - - 5 - mA Internal Pull Up Resistance - - 50k - Ω |
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