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WM8952ECS/RV датащи(PDF) 12 Page - Wolfson Microelectronics plc |
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WM8952ECS/RV датащи(HTML) 12 Page - Wolfson Microelectronics plc |
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12 / 72 page ![]() WM8952 Pre Production w PP, Rev 3.1, June 2011 12 Test Conditions DVDD=1.8V, AVDD= 3.3V, DGND=AGND =0V, TA=+25 oC, Slave Mode, fs=48kHz, MCLK=256fs, 24-bit data, unless otherwise stated. PARAMETER SYMBOL MIN TYP MAX UNIT Audio Data Input Timing Information FRAME propagation delay from BCLK falling edge tDL 10 ns ADCDAT propagation delay from BCLK falling edge tDDA 15 ns AUDIO INTERFACE TIMING – SLAVE MODE Figure 3 Digital Audio Data Timing – Slave Mode Test Conditions DVDD=1.8V, AVDD=3.3V, DGND=AGND =0V, TA=+25 oC, Slave Mode, fs=48kHz, MCLK= 256fs, 24-bit data, unless otherwise stated. PARAMETER SYMBOL MIN TYP MAX UNIT Audio Data Input Timing Information BCLK cycle time tBCY 81.38 ns BCLK pulse width high tBCH 32.55 ns BCLK pulse width low tBCL 32.55 ns FRAME set-up time to BCLK rising edge tLRSU 10 ns FRAME hold time from BCLK rising edge tLRH 10 ns ADCDAT propagation delay from BCLK falling edge tDD 15 ns Note: BCLK period should always be greater than or equal to MCLK period. |
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