參數(shù)資料
型號: AD9786BSVRL
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: 16-Bit, 200 MSPS/500 MSPS TxDAC+ with 2】/4】/8】 Interpolation and Signal Processing
中文描述: PARALLEL, WORD INPUT LOADING, 16-BIT DAC, PQFP80
封裝: PLASTIC, MS-026-ADD, TQFP-80
文件頁數(shù): 25/60頁
文件大?。?/td> 1497K
代理商: AD9786BSVRL
AD9786
DIGITAL FILTER SPECIFICATIONS
DIGITAL INTERPOLATION FILTER COEFFICIENTS
Rev. 0 | Page 25 of 60
Table 23. Stage 1 Interpolation Filter Coefficients
Lower Coefficient
Upper Coefficient
H(1)
H(43)
H(2)
H(42)
H(3)
H(41)
H(4)
H(40)
H(5)
H(39)
H(6)
H(38)
H(7)
H(37)
H(8)
H(36)
H(9)
H(35)
H(10)
H(34)
H(11)
H(33)
H(12)
H(32)
H(13)
H(31)
H(14)
H(30)
H(15)
H(29)
H(16)
H(28)
H(17)
H(27)
H(18)
H(26)
H(19)
H(25)
H(20)
H(24)
H(21)
H(23)
H(22)
Integer Value
9
0
–27
0
65
0
–131
0
239
0
–407
0
665
0
–1070
0
1764
0
–3273
0
10358
16384
Table 24. Stage 2 Interpolation Filter Coefficients
Lower Coefficient
Upper Coefficient
H(1)
H(19)
H(2)
H(18)
H(3)
H(17)
H(4)
H(16)
H(5)
H(15)
H(6)
H(14)
H(7)
H(13)
H(8)
H(12)
H(9)
H(11)
H(10)
Integer Value
19
0
–120
0
436
0
–1284
0
5045
8192
Table 25. Stage 3 Interpolation Filter Coefficients
Lower Coefficient
Upper Coefficient
H(1)
H(11)
H(2)
H(10)
H(3)
H(9)
H(4)
H(8)
H(5)
H(7)
H(6)
Integer Value
7
0
–53
0
302
512
0
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–140
0
–20
–40
–60
–80
–100
–120
Figure 41. ×2 Interpolation Filter Response
0
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–140
0
–20
–40
–60
–80
–100
–120
Figure 42. ×4 Interpolation Filter Response
0
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–140
0
–20
–40
–60
–80
–100
–120
Figure 43. ×8 Interpolation Filter Response
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