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PCM1850PJT Datasheet(PDF) 6 Page - Burr-Brown (TI) |
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PCM1850PJT Datasheet(HTML) 6 Page - Burr-Brown (TI) |
6 / 10 page PCM1850 PCM1851 SLES108 − MARCH 2004 www.ti.com 6 ELECTRICAL CHARACTERISTICS (Continued) All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 48 kHz, system clock = 256 fS, 24-bit data, unless otherwise noted PARAMETER TEST CONDITIONS PCM1850PJT, PCM1851PJT UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT LOGIC VOH (1) Output logic level IOUT = –4 mA 2.8 VDC VOL(1) (2) Output logic level IOUT = 4 mA 0.5 VDC AFE MULTIPLEXER Input channels 6 Input level for full scale 2 2.4 Vrms Center voltage (VREF1) Selected channel 0.5 VCC V Center voltage (VREFS) Unselected channel 0.5 VCC V Input impedance Selected channel 50 169 k Ω Input impedance Unselected channel 50 57 k Ω AFE PGA Gain range –11 0 11 dB Gain step 0.5 dB Monotonicity Specified Antialiasing filter frequency response –3 dB, PGA gain = –5.5 dB 300 kHz MONITOR OUTPUT Output level for full scale AC-coupled, >10 k Ω 0.6 VCC Vp-p Output load AC-coupled 10 k Ω THD+N (3) (4) AC-coupled, 10 k Ω, 3 Vp-p output, 0.0016% S/N ratio (3) (4) AC-coupled, 10 k Ω 104 dB Gain error (3) (4) AC-coupled, 10 k Ω –3 % of FSR Center voltage 0.5 VCC V ADC Resolution 24 bits Full scale input voltage 0.6 VCC Vp-p ACCURACY Gain mismatch, channel-to-channel ±1 ±3 % of FSR Gain error ±2 ±5 % of FSR Bipolar zero error High-pass filter bypass ±2 % of FSR (1) Pins 1–4: LRCK, BCK (in master mode), DOUT, OVER (2) Pin 32: SDA (PCM1851) (open-drain LOW output) (3) Analog performance specifications are tested with the System Two™ audio measurement system by Audio Precision™, using a 400-Hz HPF and 20-kHz LPF in the RMS mode at fIN = 1 kHz. (4) Reference level (0 dB) is specified as 2-V rms input on VINL[1:6] and VINR[1:6] pins with PGA gain of –5.5 dB. Audio Precision and System Two are trademarks of Audio Precision, Inc. |
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