MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 31
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MAX9853
Manufacturer Part Number
MAX9853
Description
(MAX9851 / MAX9853) Stereo Audio CODECs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX9853.pdf
(71 pages)
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and right DACs (see the Signal Routing section). The
right- and left-channel input data is summed without
attenuation and may overdrive the input filter, causing
distortion, when the input signals are large. The sum of
the stereo input signal should not exceed the dynamic
range of the filter, typically 0dBFS digital full scale.
When operating in a voice mode with the primary S1
interface, the digital signal data is input to the left chan-
Figure 1. Digital Audio Interface Timing—I
Stereo Audio CODECs with Microphone, DirectDrive
LRCLK (OUT)
LRCLK (OUT)
LRCLK (OUT)
BCLK (OUT)
BCLK (OUT)
BCLK (OUT)
Headphones, Speaker Amplifiers, or Line Outputs
SDOUT
SDOUT
SDOUT
SDIN
SDIN
SDIN
MASTER MODE: S_WCI = 0, S_BCI = 0, S_DLY = 0, S_WS = 0
MASTER MODE: S_WCI = 0, S_BCI = 0, S_DLY = 0, S_WS = 0
MASTER MODE: S_WCI = 0, S_BCI = 0, S_DLY = 0, S_WS = 1
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______________________________________________________________________________________
LEFT DATA SAMPLE
LEFT DATA SAMPLE
LEFT DATA SAMPLE
LEFT DATA SAMPLE
LEFT DATA SAMPLE
LEFT DATA SAMPLE
LEFT
LEFT
LEFT
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S Master Modes
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nel without summing since the incoming data is
assumed to be mono. Adjust PGADS1 and PGADS2
(register 0x0C and 0x0D) to program the gain for the
primary and secondary digital audio interfaces.
Independent gain adjustment for each interface allows
level-matching of different digital signal sources or fade
adjustment between two signal sources.
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RIGHT DATA SAMPLE
RIGHT DATA SAMPLE
RIGHT DATA SAMPLE
RIGHT DATA SAMPLE
RIGHT DATA SAMPLE
RIGHT DATA SAMPLE
RIGHT
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RIGHT
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