The PCM9211 is a complete analog and digital front-end for today's multimedia players and recorders

PCM9211

Manufacturer Part NumberPCM9211
DescriptionThe PCM9211 is a complete analog and digital front-end for today's multimedia players and recorders
ManufacturerTexas Instruments
PCM9211 datasheet
 


Specifications of PCM9211

Jitter(ps)50Sampling Rate(max)(khz)216
Power Supply(v)4.5-5.5 for Analog ,2.9-3.6 for DIXAdc Resolution(bits)24
Adc Sample Rate (ksps)96Control ModeSPI, I2C, Hardware
InputsPCM,S/PDIF, ADCOutputPCM,S/PDIF
Operating Temperature Range(c)-40 to 85Pin/package48LQFP
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PCM9211
SBAS495 – JUNE 2010
Figure 22
shows the latency time between the input biphase signal and LRCKO/DOUT.
DIR decoded audio data output timing.
Biphase Signal (IN)
B
t
LATE
BFRAME (OUT)
LRCK (OUT)
2
(I S)
LRCK (OUT)
2
(All except I S)
DATA (OUT)
SYMBOL
DESCRIPTION
t
LRCKO/DOUT latency
LATE
Figure 22. Latency Time Between Input Biphase and LRCKO/DOUT
SCKO
(OUT)
LRCKO
(OUT)
t
BCH
BCKO
(OUT)
t
DOUT
(OUT)
SYMBOL
t
System clock pulse cycle time
SCY
t
Delay time of BCKO falling edge to LRCKO valid
CKLR
t
BCKO pulse cycle time
BCY
t
BCKO pulse width high
BCH
t
BCKO pulse width low
BCL
t
Delay time of BCKO falling edge to DOUT valid
BCDO
t
Rising time of all signals
R
t
Falling time of all signals
F
NOTE: Load capacitance of LRCKO, BCKO, and DOUT pin is 20 pF. DOUT, LRCKO, and BCKO are synchronized with
SCKO.
Figure 23. DIR Decoded Audio Data Output Timing
30
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W
0R
M
1L
0L
0L
0R
17±1BCK
t
SCY
t
BCL
t
BCY
BCDO
DESCRIPTION
Product Folder Link(s):
PCM9211
www.ti.com
Figure 23
illustrates the
W
1R
1L
1R
MIN
TYP
MAX
UNITS
4/f
s
S
V /2
DD
V /2
DD
t
CKLR
V /2
DD
V /2
DD
MIN
TYP
MAX
UNITS
18
ns
–10
10
ns
1/64f
s
S
60
ns
60
ns
–10
10
ns
5
ns
5
ns
Copyright © 2010, Texas Instruments Incorporated