參數(shù)資料
型號(hào): TMC2249AH6C1
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 數(shù)字信號(hào)處理外設(shè)
英文描述: Circular Connector; No. of Contacts:13; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:10; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:10-35 RoHS Compliant: No
中文描述: 12-BIT, DSP-MIXER, CPGA120
封裝: MPGA-120
文件頁(yè)數(shù): 7/18頁(yè)
文件大?。?/td> 138K
代理商: TMC2249AH6C1
TMC2249A
PRODUCT SPECIFICATION
REV. 1.0.2 7/6/00
7
Table 1. Data Formats and Bit Weighting
Notes:
A minus sign indicates the two’s complement sign bit.
RND adds 1 to the 2
position if ACC is low.
7
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BIT
-2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
DATA (A
11-0
-D
11-0
)
-2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
CASCADE INPUT (CAS
15-0
)
SUM (S
2
0
2
8
15-0
)
2
-2
23
15
2
2
22
14
2
2
21
13
2
2
20
12
2
2
19
11
2
2
18
10
2
2
17
9
2
2
16
8
2
2
15
7
2
2
14
6
2
2
13
5
2
2
12
4
2
2
11
3
2
2
2
10
2
1
2
9
LSW
MSW
Equivalent Circuits and Threshold
Levels
Figure 1. Equivalent Digital Input Circuit
Figure 2. Equivalent Digital Output Circuit
Data or
Control
Input
V
DD
p
n
GND
V
DD
p
n
GND
Output
Figure 3. Threshold Levels for Three-State Measurement
2.0V
0.8V
t
DIS
t
ENA
Three-State
Outputs
OE
High Impedance
0.5V
0.5V
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