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PCM3006 Datasheet(PDF) 2 Page - Texas Instruments |
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PCM3006 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 30 page www.ti.com ELECTRICAL CHARACTERISTICS PCM3006 SBAS089A – OCTOBER 2000 – REVISED OCTOBER 2004 This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. All specifications at T A = 25°C, VDD = VCC = 3 V, fS = 44.1 kHz, SYSCLK = 384 fS, and 16-bit data, unless otherwise noted PCM3006T PARAMETER CONDITIONS UNITS MIN TYP MAX DIGITAL INPUT/OUTPUT Input Logic VIH(1) 0.7 VDD Input logic level VDC VIL(1) 0.3 VDD IIN(2) ±1 Input logic current µA IIN(3) 100 Output Logic VOH(4) IOUT = –1 mA VDD – 0.3 VDC Output logic level VOL(4) IOUT = 1 mA 0.3 CLOCK FREQUENCY fs Sampling frequency 4 44.1 48 kHz 256 fS 1.024 11.2896 12.288 System clock frequency 384 fS 1.536 16.9344 18.432 MHz 512 fS 2.048 22.5792 24.576 ADC CHARACTERISTICS Resolution 16 Bits DC Accuracy Gain mismatch, channel-to-channel ±1 ±3 % of FSR Gain error ±2 ±5 % of FSR Gain drift ±20 ppm of FSR/ °C Dynamic Performance(5) VIN = –0.5 dB –84 –77 THD+N dB VIN= –60 dB –26 Dynamic range A-weighted 84 89 dB Signal-to-noise ratio A-weighted 84 89 dB Channel separation 82 86 dB Digital Filter Performance Pass band 0.454 fS Hz Stop band 0.583 fS Hz Pass-band ripple ±0.05 dB Stop-band attenuation –65 dB Delay time 17.4/fS s (1) Pins 7, 8, 9, 10, 11, 15, 17, 18: PDAD, PDDA, SYSCLK, LRCIN, BCKIN, DIN, DEM1, DEM0 (Schmitt-trigger input with 100-k Ω typical internal pulldown resistor) (2) Pins 9, 10, 11, 15: SYSCLK, LRCIN, BCKIN, DIN (Schmitt-trigger input) (3) Pins 7, 8, 17, 18: PDAD, PDDA, DEM1, DEM0 (Schmitt-trigger input, 100-k Ω typical internal pulldown resistor) (4) Pin 12: DOUT (5) fIN = 1 kHz, using System Two™ audio measurement system by Audio Precision™, rms mode with 20-kHz LPF, 400-Hz HPF used for performance calculation. 2 |
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