AD9260 Analog Devices, AD9260 Datasheet - Page 7

• Manufacturer Part Number: AD9260
• Description: 16-Bit High Speed Oversampled A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9260

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 2.5MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 4 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: QFP

DIGITAL FILTER CHARACTERISTICS
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
0.2
Figure 2. 8x FIR Filter Frequency Response
0.2
Figure 3. 4x FIR Filter Frequency Response
0.2
Figure 4. 2x FIR Filter Frequency Response
FREQUENCY (NORMALIZED TO π)
FREQUENCY (NORMALIZED TO π)
FREQUENCY (NORMALIZED TO π)
0.4
0.4
0.4
0.6
0.6
0.6
0.8
0.8
0.8
1.0
1.0
1.0
1.2
1.2
1.2
Rev. C | Page 7 of 44
–0.2
–0.2
–0.2
–0.4
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
10
100
Figure 5. 8x FIR Filter Impulse Response
20
Figure 6. 4x FIR Filter Impulse Response
Figure 7. 2x FIR Filter Impulse Response
5
CLOCK PERIODS (RELATIVE TO CLK)
CLOCK PERIODS (RELATIVE TO CLK)
CLOCK PERIODS (RELATIVE TO CLK)
30
200
40
10
50
300
60
15
70
400
80
20
90
500
AD9260
100 110
600
25