AD9260 Analog Devices, AD9260 Datasheet - Page 15

• 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

TYPICAL AC CHARACTERIZATION CURVES VS. DECIMATION MODE
AVDD = DVDD = DRVDD = +5 V, 4 V Input Span, Differential DC Coupled Input with CML = 2 V, A
–100
–110
–100
–110
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
Figure 17. SINAD vs. Input Frequency (f
90
85
80
75
70
65
60
55
50
performance limited by noise contribution of input differential
0.1
0.1
0.1
Figure 19. SFDR vs. Input Frequency (f
Figure 18. THD vs. Input Frequency (f
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
8 × MODE
op amp driver
8 × MODE
1.0
1.0
1.0
8 × MODE
CLOCK
4 × MODE
4 × MODE
4 × MODE
2 × MODE
2 × MODE
CLOCK
CLOCK
= 20 MSPS) 8x SINAD
2 × MODE
= 20 MSPS)
= 20 MSPS)
1 × MODE
1 × MODE
1 × MODE
10.0
10.0
10.0
Rev. C | Page 15 of 44
–100
–105
–110
–115
–120
–100
–105
–110
–115
–120
–70
–75
–80
–85
–90
–95
–70
–75
–80
–85
–90
–95
90
85
80
75
70
65
60
55
50
0.1
0.1
0.1
Figure 20. SINAD vs. Input Frequency (f
Figure 22. SFDR vs. Input Frequency (f
Figure 21. THD vs. Input Frequency (f
8 × MODE
8 × MODE
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
IN
8 × MODE
= 0.5 dBFS Full Bias.
4 × MODE
1.0
1.0
1.0
4 × MODE
4 × MODE
2 × MODE
2 × MODE
2 × MODE
CLOCK
CLOCK
CLOCK
1 × MODE
1 × MODE
1 × MODE
= 10 MSPS)
= 10 MSPS)
= 10 MSPS)
AD9260
10.0
10.0
10.0