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PCM1718 Datasheet(PDF) 7 Page - Burr-Brown (TI) |
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PCM1718 Datasheet(HTML) 7 Page - Burr-Brown (TI) |
7 / 11 page ® 7 PCM1718E DIN (pin 5) LRCIN (pin 4) BCKIN (pin 6) Left-channel Data Right-channel Data 1 f/s Audio Data Word = 18-Bit 18 16 MSB LSB MSB LSB 17 18 12 3 18 16 17 12 3 16 17 FIGURE 3. “Normal” Data Input Timing. FIGURE 4. “I2S” Data Input Timing. BCKIN Pulsewidth (High Level) tBCH 50ns (min) BCKIN Pulsewidth (Low Level) tBCL 50ns (min) BCKIN Pulse Cycle Time tBCY 100ns (min) BCKIN Rising Edge ¨ LRCIN Edge tBL 30ns (min) LRCIN Edge ¨ BCKIN Rising Edge tLB 30ns (min) DIN Setup Time tDS 30ns (min) DIN Hold Time tDH 30ns (min) FIGURE 5. Data Input Timing. t BCH t BCL t LB t BCY t BL t DH t DS 50% of V DD 50% of V DD 50% of V DD LRCIN BCKIN DIN Data Format A “HIGH” on pin 14 (FORMAT) sets the input format to I2S, and a “LOW” sets the format to Normal (MSB-first, right-justified Sony format). Soft Mute A “LOW” on pin 18 (MUTE) causes both outputs to be muted. This muting is done in the digital domain so there is no audible “click” when the soft mute is enacted. De-Emphasis PCM1718 allows for digital de-emphasis for all three stan- dard sampling frequencies: DM1 (Pin 17) DM0 (Pin 16) De-Emphasis Mode 0 0 OFF 0 1 48kHz 1 0 44.1kHz 1 1 32kHz DIN (pin 5) DIN (pin 5) Audio Data Word = 16-Bit LRCIN (pin 4) BCKIN (pin 6) 16 14 MSB LSB MSB LSB Left-channel Data Right-channel Data 1 f/s 15 12 3 16 14 15 12 3 Audio Data Word = 18-Bit 18 16 MSB LSB MSB LSB 17 12 3 18 16 17 12 3 12 12 |
Similar Part No. - PCM1718 |
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Similar Description - PCM1718 |
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