SPT7830 Ver la hoja de datos (PDF) - Signal Processing Technologies
Número de pieza
componentes Descripción
Fabricante
SPT7830 Datasheet PDF : 8 Pages
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Figure 4 - Single Shot Mode Timing Diagram
tSC
Start Convert
Latch
MSB
Clock
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Serial Data Out
Start
Conversion
Sample
Analog Input
A9
A8
A7
A6
A5
A4
A3
A2
A1 A0
MSB
LSB
High Z State
Figure 5 - Synchronous Mode Timing Diagram
tSC
Start Convert
Latch
MSB
tSC
Latch
MSB
Clock
1
2
3
4
5
6
7
8
13
14
15
16
1
A
A
A
A
A
A
A
A
A
A
A
A
B
Serial Data Out
Start
Sample
Analog Input
A
A9
A8
A7
A6
A1 A0
High Z State
MSB
LSB
Figure 6 - Free Run Mode Timing Diagram
Start Convert
Latch
MSB
2
3
4
5
B
B
B
B
Sample
Analog Input
B
B9
MSB
Clock
Serial Data Out
1
2
3
4
5
6
7
8
1
1
1
2
3
4
5
6
7
A
A
A
A
A
A
A
A
3
4
B
B
B
B
B
B
B
A
A
A9
A8
A7
A6
A1 A0
Start
Sample
Analog Input
A
MSB
LSB
B9
B8
B7
Sample
Analog Input
B
MSB
Figure 7 - Typical Interface Circuit
Figure 8 - Data Output Timing
VREF+
0V
REF IN
.01 µF
VIN
VREF+
VDD
Analog In
Data Out
+VDD
.01 µF
+VDD
0V
Clock
td=8 ns
td=8 ns
4
5
A
A
VREF-
Ground
Clock
SC
+VDD
0V
+VDD
0V
Data Out
A9
MSB
td=8 ns td=8 ns
1
3
A
A1
1
4
A
A0
LSB
SPT
6
SPT7830
12/19/97
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