PCM5121 Datasheet, PDF (38/107 Pages) Texas Instruments – 2VRMS DirectPath™, 112/106dB Audio Stereo DAC with 32-bit, 384kHz PCM Interface

PCM5121, PCM5122
SLAS763A – AUGUST 2012 – REVISED SEPTEMBER 2012
www.ti.com
LRCK
L-channel
1t_S
R-channel
BCK
Audio data word = 16-bit, BCK = 32, 48, 64fS
DATA
12
15 16
12
15 16
MSB
LSB
Audio data word = 24-bit, BCK = 48, 64fS
-,
12
2 24
DATA
MSB
12
LSB
23 24
MSB
LSB
MSB
LSB
Audio data word = 32-bit, BCK = 64f_S
DATA
12
31 32 1 2
MSB
LSB
MSB
Figure 29. Left Justified Audio Data Format
31 32
LSB
LRCK
L- channel
1t_S
R- channel
BCK
Audio data word = 16-bit, BCK = 32, 48, 64f_S
DATA
12
15 16
12
MSB
LSB
MSB
Audio data word = 24-bit, BCK = 48, 64f_S
DATA
12
23 24
12
MSB
LSB
MSB
Audio data word = 32-bit, BCK = 64f_S
DATA
12
31 32 1 2
MSB
LSB
MSB
I²S Data Format; L-channel = LOW, R-channel = HIGH
Figure 30. I²S Audio Data Format
15 16
LSB
23 24
LSB
31 32
LSB
38
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