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PCM1864QDBTRQ1 Datasheet(PDF) 4 Page - Texas Instruments |
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PCM1864QDBTRQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 115 page VINR3 / VIN3P 30 VINL3 / VIN4P 29 VINR4 / VIN3M 28 VINL4 / VIN4M 27 5 Mic Bias INT 19 MD6 20 1 VINL2 / VIN1M 2 VINR2 / VIN2M 3 VINL1 / VIN1P 4 VINR1 / VIN2P 6 VREF 7 AGND 8 AVDD 9 XO 10 XI 11 LDO MD5 21 MD4 22 MD3 24 12 DGND 13 DVDD MD2 23 MD1 25 14 IOVDD 15 SCKI (3.3V) LRCK 16 MD0 26 DOUT 18 BCK 17 PCM1860, PCM1862, PCM1864, PCM1864-Q1 SLASE55A – NOVEMBER 2014 – REVISED DECEMBER 2014 www.ti.com 7 Pin Configuration and Functions 7.1 Pin Assignments PCM1860 Figure 1. Device Pin Assignments, PCM1860 Pin Functions PCM1860 PIN I/O DESCRIPTIONS NAME NO. VINL2/VIN1M 1 I Analog input 2, L-channel (or Differential M input for input 1) VINR2/VIN2M 2 I Analog input 2, R-channel (or Differential M input for input 2) VINL1/VIN1P 3 I Analog input 1, L-channel (or Differential P input for input 1) VINR1/VIN2P 4 I Analog input 1, R-channel (or Differential P input for input 2) Mic Bias 5 — Mic Bias VREF 6 — Reference voltage decoupling (= 0.5 AVDD) AGND 7 — Analog GND AVDD 8 — Analog power supply, +3.3 V XO 9 — Oscillation amplifier output XI 10 I Oscillation amplifier input LDO 11 — LDO output (or +1.8V input to bypass LDO) DGND 12 — Digital GND DVDD 13 — Digital power supply, +3.3 V IOVDD 14 — Power Supply for I/O Voltages (for example, +3.3 V or +1.8 V) SCKI 15 I CMOS Level (+3.3 V) Master Clock Input LRCK 16 I/O Audio data word clock (Left Right Clock) input/output(1) BCK 17 I/O Audio data bit clock input/output (1) DOUT 18 O Audio data digital output INT 19 O Interrupt Output (for Analog Input Detect). Pull High for Active Mode, Pull Low for Idle. (1) Schmitt trigger input with internal pull-down (50k Ω typically). 4 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: PCM1860 PCM1862 PCM1864 PCM1864-Q1 |
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