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PCM1718 Datasheet(PDF) 7 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part # PCM1718
Description  Stereo Audio DIGITAL-TO-ANALOG CONVERTER
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

PCM1718 Datasheet(HTML) 7 Page - Burr-Brown (TI)

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7
PCM1718E
DIN (pin 5)
LRCIN (pin 4)
BCKIN (pin 6)
Left-channel Data
Right-channel Data
1 f/s
Audio Data Word = 18-Bit
18
16
MSB
LSB
MSB
LSB
17
18
12
3
18
16
17
12
3
16
17
FIGURE 3. “Normal” Data Input Timing.
FIGURE 4. “I2S” Data Input Timing.
BCKIN Pulsewidth (High Level)
tBCH
50ns (min)
BCKIN Pulsewidth (Low Level)
tBCL
50ns (min)
BCKIN Pulse Cycle Time
tBCY
100ns (min)
BCKIN Rising Edge ¨ LRCIN Edge
tBL
30ns (min)
LRCIN Edge ¨ BCKIN Rising Edge
tLB
30ns (min)
DIN Setup Time
tDS
30ns (min)
DIN Hold Time
tDH
30ns (min)
FIGURE 5. Data Input Timing.
t
BCH
t
BCL
t
LB
t
BCY
t
BL
t
DH
t
DS
50% of V
DD
50% of V
DD
50% of V
DD
LRCIN
BCKIN
DIN
Data Format
A “HIGH” on pin 14 (FORMAT) sets the input format to
I2S, and a “LOW” sets the format to Normal (MSB-first,
right-justified Sony format).
Soft Mute
A “LOW” on pin 18 (MUTE) causes both outputs to be
muted. This muting is done in the digital domain so there is
no audible “click” when the soft mute is enacted.
De-Emphasis
PCM1718 allows for digital de-emphasis for all three stan-
dard sampling frequencies:
DM1 (Pin 17)
DM0 (Pin 16)
De-Emphasis Mode
0
0
OFF
0
1
48kHz
1
0
44.1kHz
1
1
32kHz
DIN (pin 5)
DIN (pin 5)
Audio Data Word = 16-Bit
LRCIN (pin 4)
BCKIN (pin 6)
16
14
MSB
LSB
MSB
LSB
Left-channel Data
Right-channel Data
1 f/s
15
12
3
16
14
15
12
3
Audio Data Word = 18-Bit
18
16
MSB
LSB
MSB
LSB
17
12
3
18
16
17
12
3
12
12


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