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參數(shù)資料
| 型號(hào)： | TMC2242BR2C2 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 數(shù)字信號(hào)處理外設(shè) |
| 英文描述： | Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
| 中文描述： | 12-BIT, DSP-DIGITAL FILTER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 86K |
| 代理商： | TMC2242BR2C2 |
TMC2242A/TMC2242B
PRODUCT SPECIFICATION
7
Table 4b. Output Data Formats and Bit Weighting for TCO = 1
Interpolation Mode
(TMC2242A and TMC2242B when INT = 0 and DEC = 1
)
Decimation, Equal Rate Modes
(and TMC2242B in unity gain interpolate mode with INT = DEC = 0
)
Rounded LSBs as a function of RND
2-0
Notes:
1. A leading minus sign denotes the two’s complement sign bit.
2. When TCO=0, the most significant bit of the output is positive instead of negative.
3. In all operating modes except
INT
= 0 and
DEC
= 1, the gain is approximately unity. When
INT
= 0 and
DEC
= 1, the output
gain is -6 dB.
4. The "r" indicates that the trailing significant output bit has been rounded to the nearest 1/2 LSB. (Internally, the chip adds 1 to
the next lower bit, to allow the user to obtain a properly rounded output)
Table 5. TMC2242A Steady-State Output Values and Limiter Triggers (L) versus Input Data
-2
1
2
0
2
-1
…
2
6
2
-7
2
-8
2
-9
2
-10
2
-11
2
-12
2
-13
2
-14
-2
0
2
-1
2
-2
…
2
-7
2
-8
2
-9
2
-10
2
-11
2
-12
2
-13
2
-14
2
-15
RND
2-0
000
001
010
011
100
101
110
111
SO
15
SO
15
SO
15
SO
15
SO
15
SO
15
SO
15
SO
15
SO
14
SO
14
SO
14
SO
14
SO
14
SO
14
SO
14
SO
14
SO
13
SO
13
SO
13
SO
13
SO
13
SO
13
SO
13
SO
13
…
…
…
…
…
…
…
…
SO
8
SO
8
SO
8
SO
8
SO
8
SO
8
SO
8
SO
8
SO
7
SO
7
SO
7
SO
7
SO
7
SO
7
SO
7
SO
7r
SO
6
SO
6
SO
6
SO
6
SO
6
SO
6
SO
6r
0
SO
5
SO
5
SO
5
SO
5
SO
5
SO
5r
0
0
SO
4
SO
4
SO
4
SO
4
SO
4r
0
0
0
SO
3
SO
3
SO
3
SO
3r
0
0
0
0
SO
2
SO
2
SO
2r
0
0
0
0
0
SO
1
SO
1r
0
0
0
0
0
0
SO
0r
0
0
0
0
0
0
0
Input
7FF
400
001
000
FFF
C00
801
INT
= 1 or
DEC
= 0
TCO = 0
0000 (L)
3FE7
7FEF
7FFF
800F
C017
FFFF (L)
INT
= 0 and
DEC
= 1
TCO = 0
3FF7 / 3FE7
5FF7 / 5FEF
7FF7
7FFF
8007
A007 / A00F
C007 / C017
Interpretation
+ full-scale
+1/2 scale
+1 LSB
Zero
-1 LSB
-1/2 scale
- full-scale
TCO = 1
7FFF (L)
4018
0010
0000
FFF0
BFE8
8000 (L)
TCO = 1
4008 / 4018
2008 / 2010
0008
0000
FFF8
DFF8 / DFF0
BFF8 / BFE8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC2242BR2CT | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2242C | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
| TMC2242CK/CR WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| TMC2242CKTC | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
| TMC2242CKTC1 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
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