ADC-321 データシートの表示（PDF） - DATEL Data Acquisition products
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ADC-321 Datasheet PDF : 8 Pages
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®
ADC-321
ANALOG
SIGNAL
CLOCK 1.3V
DATA
OUTPUTS
Tds
0ns typ.
N
N+1
TPW1
TPW0
10ns min. 10ns min.
TPLH
TPHL
N–3
N–2
N+2
N–1
N+3
N
1
UPPER SAMPLING
COMPARTOR
S (N) C (N) S (N+1) C (N+1) S (N+2) C (N+2) S (N+3) C (N+3)
1
UPPER OUTPUT
DATA
UD (N–1)
UD (N)
UD (N+1)
UD (N+2)
1
LOWER SAMPLING
COMPARTOR 1
S (N)
H (N)
C (N) S (N+2)
H (N+2)
C (N+2)
1
LOWER OUTPUT
DATA 1
LD (N–2)
LD (N)
1
LOWER SAMPLING
COMPARTOR 2
H (N–1)
C (N–1) S (N+1)
H (N+1)
C (N+1) S (N+3)
H (N+3)
1
LOWER OUTPUT
DATA 2
LD (N–3)
LD (N–1)
LD (N+1)
S = Sample Mode, H = Hold Mode, C = Comparate Mode 1 Internal Operation of the ADC-321
Figure 2-3. ADC-321 Timing Diagram
+12V
+5V (A) +12V
47µF 0.1µF
500
500
100
10µF
ANALOG IN
470µF
120
180
500
5k
1k 2k
47µF 0.1µF
–12V
+12V
–12V
1k
1k
500
5V
0.1µF
+5V (A)
47µF
0.1µF 0.1µF 0.1µF
0.1µF
0.1µF
+5V (D)
10µH
74HC04
47µF
A/D CLOCK
16 15 14 13 12 11 10 9
17
8
BIT 1 (MSB)
18
0.1µF
19
7
BIT 2
6
BIT 3
20
0.1µF
21
33
10pF
22
ADC-321
5
BIT 4
4
BIT 5
3
BIT 6
0.1µF
23
2
24
1
25 26 27 28 29 30 31 32
BIT 7
BIT 8 (LSB)
10µH
Figure 3. Typical Connection Diagram
5
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