AD9243 Analog Devices, AD9243 Datasheet - Page 7

• Manufacturer Part Number: AD9243
• Description: Complete 14-Bit, 3 MSPS Monolithic A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9243

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 3MSPS
• 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

Figure 14. SINAD vs. Input Frequency
(Input Span = 2 V, V
Figure 17. SINAD vs. Input Frequency
(Input Span = 5 V, V
REV. A
Other Characterization Curves/Plots
–0.5
–1.0
–1.5
2.5
2.0
1.5
1.0
0.5
0.0
90
85
80
75
70
65
60
55
50
90
85
80
75
70
65
60
55
50
100k
100k
0
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 11. Typical INL
(Input Span = 5 V)
INPUT FREQUENCY – Hz
INPUT FREQUENCY – Hz
–20.0dBFS
–0.5dBFS
–6.0dBFS
CODE
1M
1M
CM
CM
= 2.5 V)
= 2.5 V)
16383
10M
10M
14.7
13.8
13.0
12.2
11.3
10.5
9.7
8.8
8.0
14.7
13.8
13.0
12.2
11.3
10.5
9.7
8.8
8.0
Figure 15. THD vs. Input Frequency
(Input Span = 2 V, V
Figure 18. THD vs. Input Frequency
(Input Span = 5 V, V
–100
–100
–0.2
–0.4
–0.6
–0.8
–1.0
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
1.0
0.8
0.6
0.4
0.2
0.0
100k
100k
0
Figure 12. Typical DNL
(Input Span = 5 V)
–20dBFS
–6.0dBFS
–0.5dBFS
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f
Single-Ended Input)
INPUT FREQUENCY – Hz
INPUT FREQUENCY – Hz
–0.5dBFS
–20dBFS
–7–
CODE
1M
1M
–6.0dBFS
CM
CM
= 2.5 V)
= 2.5 V)
16383
10M
10M
Figure 19. Typical Voltage Reference
Error vs. Temperature
Figure 16. CMR vs. Input Frequency
(Input Span = 2 V, V
–0.002
–0.004
–0.006
–0.008
Figure 13. “Grounded-Input”
Histogram (Input Span = 5 V)
0.008
0.006
0.004
0.002
–0.01
0.01
20
30
40
50
60
70
80
90
–60 –40
0.1
0
SAMPLE
439,383
–20 0
N–1
= 3.00 MSPS, T
TEMPERATURE – C
FREQUENCY – MHz
1
20 40 60 80 100 120
4,343,995
CODE
N
CM
AD9243
= 2.5 V)
10
A
356,972
N+1
= +25 C,
140
100