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PCM1789 Datasheet(PDF) 18 Page - Texas Instruments

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Part # PCM1789
Description  24-Bit, 192-kHz Sampling, Enhanced Multi-Level ?誇,Stereo, Audio Digital-to-Analog Converter
PDF  39 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1789 Datasheet(HTML) 18 Page - Texas Instruments

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AUDIO INTERFACE TIMING
t
LRS
1.4V
1.4V
1.4V
BCK
(Input)
LRCK
(Input)
DIN
(Input)
t
BCH
t
BCL
t
BCY
t
LRH
t
DIS
t
DIH
t
LRW
PCM1789
SBAS451 – OCTOBER 2008.............................................................................................................................................................................................. www.ti.com
Figure 27 and Table 5 describe the detailed audio interface timing specifications.
Figure 27. Audio Interface Timing Diagram for Left-Justified, Right-Justified, I2S, and DSP Data Formats
Table 5. Timing Requirements for Figure 27
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNIT
tBCY
BCK cycle time
75
ns
tBCH
BCK pulse width high
35
ns
tBCL
BCK pulse width low
35
ns
LRCK pulse width high (LJ, RJ and I2S formats)
1/(2 × fS)
1/(2 × fS)
sec
tLRW
LRCK pulse width high (DSP format)
tBCY
tBCY
sec
tLRS
LRCK setup time to BCK rising edge
10
ns
tLRH
LRCK hold time to BCK rising edge
10
ns
tDIS
DIN setup time to BCK rising edge
10
ns
tDIH
DIN hold time to BCK rising edge
10
ns
18
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): PCM1789



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