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PCM1804DB Datasheet(PDF) 6 Page - Texas Instruments |
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PCM1804DB Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 36 page  www.ti.com ELECTRICAL CHARACTERISTICS PCM1804 SLES022C – DECEMBER 2001 – REVISED OCTOBER 2007 All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, single-speed mode, fS = 48 kHz, system clock = 256 fS, 24-bit data, unless otherwise noted. PCM1804DB PARAMETER TEST CONDITIONS UNIT MIN TYP MAX Resolution 24 Bits DATA FORMAT Audio data interface format Standard, I2S, left-justified Audio data bit length 24 Bits MSB first, Audio data format 2s complement, DSD DIGITAL INPUT/OUTPUT Logic family TTL compatible (1) (2) 2 5.5 VIH High-level input voltage Vdc (3) 2 VDD VIL Low-level input voltage (1) (2) (3) 0.8 Vdc VIN = VDD (1) 65 100 IIH High-level input current VIN = VDD (2) ±10 μA VIN = VDD (3) ±100 VIN = 0 V (1) (2) ±10 IIL Low-level input current μA VIN = 0 V (3) ±50 VOH High-level output voltage IOH = –1 mA (4) 2.4 Vdc VOL Low-level output voltage IOL = 1 mA (4) 0.4 Vdc CLOCK FREQUENCY fS Sampling frequency 32 192 kHz 256 fS, single rate (5) 12.288 384 fS, single rate (5) 18.432 512 fS, single rate (5) 24.576 768 fS, single rate (5) 36.864 System clock frequency MHz 256 fS, dual rate (6) 24.576 384 fS, dual rate (6) 36.864 128 fS, quad rate (7) 24.576 192 fS, quad rate (7) 36.864 DC ACCURACY Gain mismatch, channel- ±3 % of FSR to-channel Gain error (VIN = –0.5 dB) ±4 % of FSR Bipolar zero error HPF bypass ±0.2 % of FSR (1) Pins 6–11, 19: FMT0, FMT1, S/M, OSR0, OSR1, OSR2, RST [Schmitt-trigger input with internal pulldown (51 k μ typically), 5-V tolerant] (2) Pin 18: SCKI (Schmitt-trigger input, 5-V tolerant) (3) Pins 12, 16–17: BYPAS, BCK/DSDL, LRCK/DSDBCK (in slave mode, Schmitt-trigger input) (4) Pins 15–17, 20, and 21: DATA/DSDR, BCK/DSDL, LRCK/DSDBCK (in master mode), OVFR, OVFL (5) Single rate, fS = 48 kHz (6) Dual rate, fS = 96 kHz (7) Quad rate, fS = 192 kHz 6 Submit Documentation Feedback Copyright © 2001–2007, Texas Instruments Incorporated Product Folder Link(s): PCM1804 |
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