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PCM3003 数据表(PDF) 5 Page - Texas Instruments |
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PCM3003 数据表(HTML) 5 Page - Texas Instruments |
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5 / 42 page ![]() www.ti.com RECOMMENDED OPERATING CONDITIONS 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC1 VCC1 VINR VREF1 VREF2 VINL RST ML SYSCLK LRCIN BCKIN DOUT VCC2 AGND1 AGND2 VCOM VOUTR VOUTL MC MD ZFLG DIN VDD DGND PCM3002 (TOP VIEW) P0004-02 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC1 VCC1 VINR VREF1 VREF2 VINL PDAD PDDA SYSCLK LRCIN BCKIN DOUT VCC2 AGND1 AGND2 VCOM VOUTR VOUTL DEM0 DEM1 20BIT DIN VDD DGND PCM3003 (TOP VIEW) PCM3002 PCM3003 SBAS079A – OCTOBER 2000 – REVISED OCTOBER 2004 over operating free-air temperature range MIN NOM MAX UNIT Analog supply voltage, VCC1, VCC2 2.7 3 3.6 V Digital supply voltage, VDD 2.7 3 3.6 V Analog input voltage, full scale (–0 dB) VCC = 3 V 1.8 Vp-p Digital input logic family CMOS System clock 8.192 24.576 MHz Digital input clock frequency Sampling clock 32 48 kHz Analog output load resistance 10 k Ω Analog output load capacitance 30 pF Digital output load capacitance 10 pF Operating free-air temperature, TA –25 85 °C PIN ASSIGNMENTS—PCM3002 NAME PIN I/O DESCRIPTION AGND1 23 – ADC analog ground AGND2 22 – DAC analog ground BCKIN 11 I Bit clock input(1) DGND 13 – Digital ground DIN 15 I Data input(1) DOUT 12 O Data output LRCIN 10 I Sample rate clock input (fs)(1) MC 18 I Bit clock for mode control(1)(2) MD 17 I Serial data for mode control(1)(2) ML 8 I Strobe pulse for mode control(1)(2) RST 7 I Reset, active LOW(1)(2) SYSCLK 9 I System clock input(1) VCC1 1, 2 – ADC analog power supply VCC2 24 – DAC analog power supply VCOM 21 – ADC/DAC common VDD 14 – Digital power supply (1) Schmitt-trigger input (2) With 100-k Ω typical internal pulldown resistor 5 |
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