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PCM3052ARTF 数据表(PDF) 7 Page - Texas Instruments |
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PCM3052ARTF 数据表(HTML) 7 Page - Texas Instruments |
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7 / 48 page ![]() www.ti.com PIN ASSIGNMENTS VCOM MBIAS MINM MINP AGND3 VCC3 REFO VDD DGND DOUTS DOUT DIN BCK LRCK RTF PACKAGE (TOP VIEW) P0036-01 26 27 28 29 30 31 32 16 15 14 13 12 11 10 PCM3052A SLES160 – NOVEMBER 2005 DEVICE INFORMATION (continued) TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. ADR 20 I Mode control address select input (1) AGND1 8 ADC analog ground AGND2 22 DAC analog ground AGND3 30 Microphone amplifier and bias analog ground ATEST 1 O Analog test, must be open DGND 15 Digital ground BCK 11 I Audio data bit clock input (2) DIN 12 I Audio data digital input (3) DOUT 13 O Audio data digital output DOUTS 14 O S/PDIF data digital output I2CEN 21 I Mode control enable/disable input, active HIGH (3) L/M 3 O ADC line/microphone select indicator LRCK 10 I Audio data latch enable input (2) MBIAS 27 O Microphone bias output/decoupling, 0.75 VCC1 MINM 28 I Microphone amplifier input to ADC, inverting MINP 29 I Microphone amplifier input to ADC, non-inverting PDWN 9 I ADC and DAC power down control input, active LOW(1) REFO 32 O Reference output / decoupling, 0.5 VCC1 (1) Schimtt-trigger input with 50-k Ω typical internal pulldown resistor, 5-V tolerant (2) Schimtt-trigger input with 50-k Ω typical internal pulldown resistor (3) Schimtt-trigger input, 5-V tolerant 7 |
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