參數(shù)資料
型號: MP3276AP
廠商: EXAR CORP
元件分類: ADC
英文描述: Fault Protected 16 Channel, 12-Bit Data Acquisition Subsystem
中文描述: 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 8/16頁
文件大?。?/td> 170K
代理商: MP3276AP
MP3276
8
Rev. 4.00
CS
WR
ADDRESS
Figure 1. Timing for ADC Channel Select Start Conversion
t
1
STL
ADEN
STS
DB0-DB11
RD = 0
DB0-DB11
RD = 1
HIGH Z
Previous ADC Data
New ADC Data
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
t
11
10
t
t
12
t
14
t
13
Table 3. ADC Read Timing
(See Figure 2.)
25
°
C
Tmin to
Tmax
Limits
Comments/Test Conditions
CS to RD Set-Up Time
CS to RD Hold Time
RD to Data Valid Delay
t
15
t
16
t
17
0
0
0
0
ns min
ns min
ns max
ns max
ns max
100
150
100
150
200
150
Load ckt of Figure 3. C
L
= 20 pF
Load ckt of Figure 3. C
L
= 100 pF
Load ckt of Figure 4.
Bus Relinquish Time after RD
High
RD Pulse Width
t
18
t
19
100
150
ns min
Load ckt 4
ADC Read Timing
Time
Interval
CS
RD
DATA
Figure 2. Timing for ADC Read
t
15
t
18
t
19
t
16
t
Valid
17
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