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PCM3008T2K Datasheet(PDF) 5 Page - Texas Instruments |
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PCM3008T2K Datasheet(HTML) 5 Page - Texas Instruments |
5 / 27 page PCM3008 SLAS332 – APRIL 2001 5 www.ti.com electrical characteristics, all specifications at TA = 25°C, VCC = 2.4 V, fs = 44.1 kHz, system clock = 384fs, fIN = 1 kHz, 16-bit data, (unless otherwise noted) PCM3008T PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DIGITAL INPUT/OUTPUT VIH(3) 0.7 VCC 3.6 VIL(3) Input logic level 0.3VCC VDC IIN(3) Input logic current ±10 µA VOH(4) IO = –400 µA VCC–0.2 VOL(4) Output logic level IO = 400 µA 0.2 VDC CLOCK FREQUENCY Sampling frequency 8 44.1 48 kHz 256 fs 2.0480 11.2896 12.2880 fs System clock frequency 384 fs 3.0720 16.9344 18.4320 MHz System clock frequency 512 fs 4.0960 22.5792 24.5760 MHz ADC CHARACTERISTICS Resolution 16 Bits DC ACCURACY Gain mismatch channel to channel ±1 ±5 Gain error ±2 ±10 % of Bipolar zero error ±0 FSR DYNAMIC PERFORMANCE(5) VIN = –0.5 dB –84 –74 THD+N VIN = –60 dB –26 Dynamic range A-weighted 82 88 dB S/N ratio A-weighted 82 88 dB Channel separation 80 86 ANALOG INPUT Input voltage 0.6 VCC Vp–p Center voltage 0.5 VCC V Input impedance 30 k Ω –3 dB 150 kHz Antialiasing filter frequency response fIN = 20 kHz –0.08 dB DIGITAL FILTER PERFORMANCE Passband 0.454 fs Stopband 0.583 fs Hz Passband ripple ±0.05 Stopband attenuation –65 dB Delay time 17.4 fs s HPF frequency response –3 dB 0.078 fs mHz DAC CHARACTERISTICS Resolution 16 Bits NOTES: 3. Pins 6, 7, 9, 10–14: DEM0, DEMI, DIN, LRCK, SYSCK, BCK, PDAD, PDDA, (Schmitt trigger input, 3.3 V tolerant. 4. Pin 8: DOUT 5. fIN = 1 kHz, using audio precision system II, RMS mode with 20 kHz LPF, 400 Hz HPF in calculation. |
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