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PCM78P Datasheet(PDF) 13 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part # PCM78P
Description  16-Bit Audio ANALOG-TO-DIGITAL CONVERTER
PDF  16 Pages
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

PCM78P Datasheet(HTML) 13 Page - Burr-Brown (TI)

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®
PCM78
13
FIGURE 9. Timing when using S
OUT2 Latch.
OUT 2
S
Clock
T
2
Ext
Clock
Status
OUT 2
S
Latch
OUT 2
S
Data
OUT 1
S
Data
T
3
T
4
MSB
MSB
MSB
LSB
LSB
Data (n – 1)
T
1
MSB
Data Sample n
Data (n + 1)
Data n
TA = +25°C, VCC = +5V, guaranteed by sample testing; these parameters are not 100% tested in production.
TIME (ns)
TIME
DESCRIPTION
MIN
TYP
MAX
T1
SOUT2 Latch pulse width
50
100
T2
SOUT2 Clock Cycle
24
T3
Delay from rising edge of CLOCK OUT to bit data valid
10
30
T4
Delay from rising edge of SOUT2 Clock to rising edge of Ext Clock
50
125
FIGURE 10. Application Example of S
OUT 2 Operation.
)
( fS
128
2
Ext Clock
)
( fS
128
3
B
1 Word
WDCK
(S
Latch)
(2f )
S
OUT 2
Word A's Serial Data
Serial Out 2
MSB
LSB
MSB
LSB
Word A’s Serial Data
Serial Out 1
MSB
LSB
MSB
LSB
Word A’s Serial Data
S
Clock
OUT 2
JUMPER
1
234
5
15
X
X
X
X
0
14
0
000
X
13
X
000
X
12
0
X
0
0
X
11
X
X
0
0
X
10
0
0
X
0
X
9X
0
X
0
X
80
X
X
0
X
X: Off
0: On
NO OF BITS
+5V
Clock Out
Convert Command
PCM78P
LS20
12
A
CL
A
CL
1
2
13
LS393
Q
Q
Q
Q
Q
3
4
5
6
11
A
B
C
D
E
1
2
3
4
5
+5V
10k
Ω x 4
Jumper
LS20
Short
Cycle
18
(PCM78)
10
19
FIGURE 11 . Short Cycle Circuit.
CC
Clock
Short
Cycle
Status
1234
11
12
13
11
12
13
123
Conversion
Time
FIGURE 12. Short Cycle Operation Timing.



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