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PCM1802 Datasheet(PDF) 5 Page - Texas Instruments |
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PCM1802 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 24 page PCM1802 SLES023B – DECEMBER 2001 – REVISED MARCH 2002 5 www.ti.com electrical characteristics, all specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 44.1 kHz, system clock = 384 fS, over sampling ratio = ×128, 24-bit data (unless otherwise noted) (continued) TEST CONDITIONS PCM1802DB UNIT TEST CONDITIONS MIN TYP MAX UNIT DYNAMIC PERFORMANCE (see Note 7) THD+N (V 0 5 dB) fS = 44.1 kHz 0.0015% 0.003% THD+N (VIN = –0.5 dB) fS = 96 kHz (see Note 8) 0.0025% THD N (V 60 dB) fS = 44.1 kHz 0.7% THD+N (VIN = –60 dB) fS = 96 kHz (see Note 8) 1.2% Dynamic range fS = 44.1 kHz, A-weighted 100 105 dB Dynamic range fS = 96 kHz, A-weighted (see Note 8) 103 dB S/N ratio fS = 44.1 kHz, A-weighted 100 105 dB S/N ratio fS = 96 kHz, A-weighted (see Note 8) 103 dB Channel separation fS = 44.1 kHz 96 103 dB Channel separation fS = 96 kHz (see Note 8) 98 dB ANALOG INPUT Input voltage 0.6 VCC Vp–p Center voltage (VREF1) 0.5 VCC V Input impedance 20 k Ω Antialiasing filter frequency response –3 dB 300 kHz DIGITAL FILTER PERFORMANCE Passband 0.454 fS Hz Stopband 0.583 fS Hz Passband ripple ±0.05 dB Stopband attenuation –65 dB Delay time 17.4/fS s HPF frequency response –3 dB 0.019 fS mHz POWER SUPPLY REQUIREMENTS VCC Voltage range 4.5 5 5.5 VDC VDD Voltage range 2.7 3.3 3.6 VDC ICC VCC = 5 V, VDD = 3.3 V 24 30 Supply current (see Note 9) fS = 44.1 kHz VCC = 5 V, VDD = 3.3 V 8.3 10 mA IDD Supply current (see Note 9) fS = 96 kHz, VCC = 5 V, VDD = 3.3 V (see Note 8) 17 mA fS = 44.1 kHz, VCC = 5 V, VDD = 3.3 V 147 183 PD Power dissipation; operation fS = 96 kHz, VCC = 5 V, VDD = 3.3 V (see Note 8) 176 mW Power dissipation; power down VCC = 5 V, VDD = 3.3 V 0.5 mW TEMPERATURE RANGE Operation temperature –40 85 _C Thermal resistance ( θJA) 20-pin SSOP 115 °C/W NOTES: 7. Analog performance specs are tested with System Two audio measurement system by Audio Precision, using 400-Hz HPF, 20-kHz LPF at 44.1-kHz operation, 40-kHz LPF at 96-kHz operation in RMS mode. 8. fS = 96 kHz, system clock = 256 fS, oversampling ratio = ×64. 9. Minimum load on DOUT (pin 12), BCK (pin 11), LRCK (pin 10), FSYNC (pin 9). |
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