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AKD4564 Datasheet(PDF) 11 Page - Asahi Kasei Microsystems |
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AKD4564 Datasheet(HTML) 11 Page - Asahi Kasei Microsystems |
11 / 48 page ASAHI KASEI [AK4564] MS0140-E-01 2002/07 - 11 - DC CHARACTERISTICS (Ta=25 °C; AVDD, DVDD, SVDD=2.6 ∼ 3.6V, MVDD, HVDD=2.6∼ 5.5V) Parameter Symbol min typ max Units High-Level Input Voltage Low-Level Input Voltage VIH VIL 1.5 - - - - 0.6 V V High-Level Output Voltage Iout=-200 µA Low-Level Output Voltage Iout=200 µA VOH VOL DVDD-0.2 - - - - 0.2 V V Input Leakage Current Iin - - ±10 µA SWITCHING CHRACTERISTICS (Ta=25 °C; AVDD, DVDD, SVDD=2.6 ∼ 3.6V, MVDD, HVDD=2.6∼ 5.5V; C L=20pF) Parameter Symbol min typ max Units Master Clock Timing (MCLK) 256fs: Frequency Pulse Width Low Pulse Width High 384fs: Frequency Pulse Width Low Pulse Width High fCLK tCLKL tCLKH fCLK tCLKL tCLKH 2.048 28 28 3.072 23 23 12.288 18.432 12.8 19.2 MHz ns ns MHz ns ns LRCK Timing Frequency Duty Cycle fs Duty 8 45 48 50 50 55 kHz % Audio Interface Timing BCLK Period BCLK Pulse Width Low Pulse Width High LRCK Edge to BCLK “ ↑” (Note 31) BCLK “ ↑” to LRCK Edge (Note 31) LRCK to SDTO (MSB) Delay Time BCLK “ ↓” to SDTO Delay Time SDTI Latch Hold Time SDTI Latch Set up Time tBLK tBLKL tBLKH tLRB tBLR tLRM tBSD tSDH tSDS 312.5 130 130 50 50 50 50 80 80 ns ns ns ns ns ns ns ns ns Control Interface Timing CCLK Period CCLK Pulse Width Low Pulse Width High CDTI Latch Set up Time CDTI Latch Hold Time CSN “H” Time CSN “ ↓” to CCLK “↑” CCLK “ ↑” to CSN “↑” tCCK tCCKL tCCKH tCDS tCDH tCSW tCSS tCSH 200 80 80 50 50 150 50 50 ns ns ns ns ns ns ns ns Reset Timing PDN Pulse Width PDN “ ↑” to SDTO Delay Time tPDW tPDV 150 4128 ns 1/fs Note 31. BCLK rising edge must not occur at the same time as LRCK edge. |
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