AD9773 Analog Devices, AD9773 Datasheet - Page 8

• Manufacturer Part Number: AD9773
• Manufacturer: Analog Devices

Specifications of AD9773

• Resolution (bits): 12bit
• Dac Update Rate: 400MSPS
• Dac Settling Time: 11ns
• Max Pos Supply (v): +3.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

AD9773
DIGITAL FILTER SPECIFICATIONS
Table 4. Half-Band Filter No. 1 (43 Coefficients)
Tap
1, 43
2, 42
3, 41
4, 40
5, 39
6, 38
7, 37
8, 36
9, 35
10, 34
11, 33
12, 32
13, 31
14, 30
15, 29
16, 28
17, 27
18, 26
19, 25
20, 24
21, 23
22
Table 5. Half-Band Filter No. 2 (19 Coefficients)
Tap
1, 19
2, 18
3, 17
4, 16
5, 15
6, 14
7, 13
8, 12
9, 11
10
Table 6. Half-Band Filter No. 3 (11 Coefficients)
Tap
1, 11
2, 10
3, 9
4, 8
5, 7
6
Coefficient
7
0
−53
0
302
512
Coefficient
19
0
−120
0
438
0
−1288
0
5047
8192
Coefficient
8
0
−29
0
67
0
−134
0
244
0
−414
0
673
0
−1079
0
1772
0
−3280
0
10,364
16,384
Rev. D | Page 8 of 60
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
20
20
20
0
0
0
0
0
0
Figure 2. 2× Interpolating Filter Response
Figure 3. 4× Interpolating Filter Response
Figure 4. 8× Interpolating Filter Response
f
f
f
OUT
OUT
OUT
0.5
0.5
(NORMALIZED TO INPUT DATA RATE)
(NORMALIZED TO INPUT DATA RATE)
2
(NORMALIZED TO INPUT DATA RATE)
1.0
1.0
4
1.5
1.5
6
2.0
2.0
8