AD9240 Analog Devices, AD9240 Datasheet - Page 7

• Manufacturer Part Number: AD9240
• Description: Complete 14-Bit, 10 MSPS Monolithic A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9240

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 10MSPS
• Interface: Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (2Vref) p-p,2 V p-p,5V p-p,Uni (Vref) x 2,Uni 2.0V,Uni 5.0V
• Adc Architecture: Pipelined
• Pkg Type: QFP

Other Characterization Curves/Plots
Figure 14. SINAD vs. Input Frequency
(Input Span = 2 V, V
Figure 17. SINAD vs. Input Frequency
(Input Span = 5 V, V
REV.
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
80
75
70
65
60
55
50
45
40
90
85
80
75
70
65
60
55
50
0.1
0.1
B
0
–20.0dBFS
–0.5dBFS
–6.0dBFS
Figure 11. Typical INL
(Input Span = 5 V)
INPUT FREQUENCY – MHz
INPUT FREQUENCY – MHz
–20.0dBFS
–0.5dBFS
–6.0dBFS
1
CODE
1
CM
CM
= 2.5 V)
= 2.5 V)
10
10
16863
20
20
Figure 15. THD vs. Input Frequency
(Input Span = 2 V, V
Figure 18. THD vs. Input Frequency
(Input Span = 5 V, V
–0.2
–0.4
–0.6
–0.8
–1.0
–100
–100
1.0
0.8
0.6
0.4
0.2
0.0
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
0
0.1
0.1
–20.0dBFS
–6.0dBFS
–0.5dBFS
Figure 12. Typical DNL
(Input Span = 5 V)
–20dBFS
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f
T
INPUT FREQUENCY – MHz
A
INPUT FREQUENCY – MHz
= +25 C, Single-Ended Input)
–0.5dBFS
–6.0dBFS
–7–
CODE
1
1
CM
CM
= 2.5 V)
= 2.5 V)
10
10
16383
20
20
Figure 19. Typical Voltage Reference
Error vs. Temperature
Figure 16. CMR vs. Input Frequency
(Input Span = 2 V, V
Figure 13. “Grounded-Input”
Histogram (Input Span = 5 V)
–0.002
–0.004
–0.006
–0.008
0.008
0.006
0.004
0.002
–0.01
–10
–20
–30
–40
–50
–60
–70
–80
0.01
0
1
0
–60 –40
SAMPLE
1414263
N–1
–20 0
= 10 MSPS, R
FREQUENCY – MHz
TEMPERATURE – C
13484335
CODE
20 40 60 80 100 120
N
10
CM
AD9240
= 2.5 V)
BIAS
1482053
N+1
= 2 k ,
100
140