AD9786 Analog Devices, AD9786 Datasheet - Page 26

• Manufacturer Part Number: AD9786
• Manufacturer: Analog Devices

Specifications of AD9786

• Resolution (bits): 16bit
• Dac Update Rate: 500MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.5V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9786
DIGITAL FILTER SPECIFICATIONS
DIGITAL INTERPOLATION FILTER COEFFICIENTS
Table 23. Stage 1 Interpolation Filter Coefficients
Lower Coefficient
H(1)
H(2)
H(3)
H(4)
H(5)
H(6)
H(7)
H(8)
H(9)
H(10)
H(11)
H(12)
H(13)
H(14)
H(15)
H(16)
H(17)
H(18)
H(19)
H(20)
H(21)
H(22)
Table 24. Stage 2 Interpolation Filter Coefficients
Lower Coefficient
H(1)
H(2)
H(3)
H(4)
H(5)
H(6)
H(7)
H(8)
H(9)
H(10)
Table 25. Stage 3 Interpolation Filter Coefficients
Lower Coefficient
H(1)
H(2)
H(3)
H(4)
H(5)
H(6)
Upper Coefficient
H(43)
H(42)
H(41)
H(40)
H(39)
H(38)
H(37)
H(36)
H(35)
H(34)
H(33)
H(32)
H(31)
H(30)
H(29)
H(28)
H(27)
H(26)
H(25)
H(24)
H(23)
Upper Coefficient
H(19)
H(18)
H(17)
H(16)
H(15)
H(14)
H(13)
H(12)
H(11)
Upper Coefficient
H(11)
H(10)
H(9)
H(8)
H(7)
Integer Value
9
0
–27
0
65
0
–131
0
239
0
–407
0
665
0
–1070
0
1764
0
–3273
0
10358
16384
Integer Value
19
0
–120
0
436
0
–1284
0
5045
8192
Integer Value
7
0
–53
0
302
512
Rev. B | Page 26 of 56
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
–0.5
0
–0.5
0
–0.5
–0.4
–0.4
–0.4
Figure 41. 2× Interpolation Filter Response
Figure 42. 4× Interpolation Filter Response
Figure 43. 8× Interpolation Filter Response
–0.3
–0.3
–0.3
–0.2
–0.2
–0.2
–0.1
–0.1
–0.1
0
0
0
0.1
0.1
0.1
0.2
0.2
0.2
0.3
0.3
0.3
0.4
0.4
0.4
0.5
0.5
0.5