參數(shù)資料
型號(hào): DDC118IRTCT
英文描述: Octal Current Input 20-Bit Analog-To-Digital Converter
中文描述: 八路電流輸入20位模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù): 16/30頁(yè)
文件大?。?/td> 384K
代理商: DDC118IRTCT
""#
SBAS325A JUNE 2004 REVISED JUNE 2005
www.ti.com
16
t
12
t
12
t
14
t
13
T
INT
T
INT
End Integration Side A
Start Integration Side B
Side A
Side A
Data Ready
Side B
Data Ready
Side A
Side A
End Integration Side B
Start Integration Side A
End Integration Side A
Start Integration Side B
CONV
DVALID
A/D Conversion
Inputs 1, 2, 5, and 6 (Internal)
A/D Conversion
Inputs 3, 4, 7, and 8 (Internal)
t
14
t
13
Side B
Side B
Figure 12. Timing Diagram of the Internal Operation in Continuous Mode of the DDC118
Table 7. Timing for the Internal Operation in Continuous Mode
CLK = 4MHz, CLK_4X = 0
CLK = 4.8MHz, CLK_4X = 0
SYMBOL
DESCRIPTION
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
TINT
t12
t13
Integration Period (continuous mode)
400
1,000,000
320
1,000,000
μ
s
μ
s
μ
s
A/D Conversion Time (internally controlled)
A/D Conversion Reset Time (internally controlled)
Integrator and A/D Conversion Reset Time
(internally controlled)
169.5
4
141.25
3.333
t14
23
19.167
μ
s
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