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SPT7830 Datasheet(PDF) 6 Page - Cadeka Microcircuits LLC.

Part # SPT7830
Description  10-BIT, 2.5 MSPS, SERIAL OUTPUT A/D CONVERTER
PDF  8 Pages
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Manufacturer  CADEKA [Cadeka Microcircuits LLC.]
Direct Link  http://www.cadeka.com
Logo CADEKA - Cadeka Microcircuits LLC.

SPT7830 Datasheet(HTML) 6 Page - Cadeka Microcircuits LLC.

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6
12/29/99
SPT7830
5
A
4
A
Clock
Data Out
A9
A1
td=8 ns
1
3
A
1
4
A
td=8 ns
td=8 ns
td=8 ns
MSB
A0
LSB
VREF+
Analog In
VREF-
Ground
VDD
Data Out
Clock
SC
REF IN
VIN
+VDD
.01 µF
.01 µF
+VDD
0 V
+VDD
0 V
+VDD
0 V
VREF+
0 V
Figure 7 - Typical Interface Circuit
Figure 8 - Data Output Timing
Figure 4 - Single Shot Mode Timing Diagram
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
A
12
A
13
A
Start
Conversion
Sample
Analog Input
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
MSB
LSB
Clock
Serial Data Out
High Z State
14
A
tSC
Latch
MSB
Start Convert
Figure 5 - Synchronous Mode Timing Diagram
1
B
2
B
3
B
4
B
5
B
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
13
A
Start
Sample
Analog Input
A
Start Convert
Clock
Serial Data Out
Sample
Analog Input
B
A9
A8
A7
A6
MSB
LSB
A0
A1
14
A
Latch
MSB
B9
Latch
MSB
tSC
tSC
15
A
16
A
High Z State
MSB
Figure 6 - Free Run Mode Timing Diagram
1
B
2
B
3
B
4
B
5
B
6
B
7
B
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
1
3
A
Start
Sample
Analog Input
A
Clock
Serial Data Out
Sample
Analog Input
B
B9
B8
B7
A9
A8
A7
A6
MSB
LSB
A0
A1
1
4
A
Latch
MSB
Start Convert
MSB



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