參數(shù)資料
型號(hào): SPT7734SCT
廠商: SIGNAL PROCESSING TECHNOLOGIES
元件分類: ADC
英文描述: 8-BIT, 40 MSPS,175 mW A/D CONVERTER
中文描述: 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP32
封裝: TQFP-32
文件頁(yè)數(shù): 4/9頁(yè)
文件大?。?/td> 86K
代理商: SPT7734SCT
4
1/27/98
SPT7734
Figure 1A: Timing Diagram 1
DESCRIPTION
PARAMETERS
MIN
TYP
MAX
UNITS
Conversion Time
t
C
t
CLK
ns
Clock Period
t
CLK
25
ns
Clock High Duty Cycle
t
CH
40
50
60
%
Clock Low Duty Cycle
t
CL
40
50
60
%
Clock to Output Delay (15 pF Load)
t
OD
17
ns
Clock to DAV
t
S
10
ns
Table I - Timing Parameters
Figure 1B: Timing Diagram 2
ANALOG IN
CLOCK IN
1
3
5
7
11
A
17
SAMPLING
CLOCK
(Internal)
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
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A
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A
A
A
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A
A
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A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AA
AA
AA
AA
AA
2
AA
VALID
AA
AA
AA
AA
AA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
4
A
A
A
A
A
A
A
A
A
A
A
A
1
A
A
A
A
A
A
A
DATA OUTPUT
DATA VALID
3
5
t
OD
t
CL
t
CH
t
C
t
CLK
Data
Data 1
Data 2
Data 3
CLOCK IN
DATA
OUTPUT
DATA
VALID
t
S
t
CH
t
CL
t
S
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