AD9240 Analog Devices, AD9240 Datasheet - Page 6

• 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

Typical Differential AC Characterization Curves/Plots
AD9240
Figure 2. SINAD vs. Input Frequency
(Input Span = 5 V, V
Figure 5. SINAD vs. Input Frequency
(Input Span = 2 V, V
–100
–60
–65
–70
–75
–80
–85
–90
–95
90
85
80
75
70
65
60
55
50
Figure 8. THD vs. Sample Rate
(f
V
90
85
80
75
70
65
60
55
50
0.1
IN
CM
0.1
0.1
= 5.0 MHz, A
= 2.5 V)
–20.0dBFS
–0.5dBFS
–6.0dBFS
INPUT FREQUENCY – MHz
INPUT FREQUENCY – MHz
SAMPLE RATE – MHz
1
1
5V SPAN
2V SPAN
–0.5dBFS
–6.0dBFS
–20.0dBFS
IN
CM
CM
1
= –0.5 dBFS,
= 2.5 V)
= 2.5 V)
10
10
20
20
10
Figure 6. THD vs. Input Frequency
(Input Span = 2 V, V
Figure 3. THD vs. Input Frequency
(Input Span = 5 V, V
–100
–100
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
110
100
90
80
70
60
50
40
30
20
0.1
Figure 9. Single Tone SFDR
(f
–60
0.1
IN
= 5.0 MHz, V
5V SPAN – dBc
–50
INPUT FREQUENCY – MHz
INPUT FREQUENCY – MHz
2V SPAN – dBFS
–40
–6–
–20.0dBFS
–6.0dBFS
–0.5dBFS
AIN – dB
1
1
–20.0dBFS
–6.0dBFS
–0.5dBFS
–30
2V SPAN – dBc
CM
CM
CM
5V SPAN – dBFS
= 2.5 V)
= 2.5 V)
= 2.5 V)
–20
–10
10
10
20
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f
10 MSPS, R
20
0
Figure 4. Typical FFT, f
(Input Span = 5 V, V
(Input Span = 2 V, V
BIAS
Figure 7. Typical FFT, f
–100
–110
–120
–105
–120
–135
–150
–10
–20
–30
–40
–50
–60
–70
–80
–90
–15
–30
–45
–60
–75
–90
110
105
100
Figure 10. Dual Tone SFDR
(f
V
60
95
90
85
80
75
70
65
0
–40 –35
1
CM
0
= 2 k , T
0
0
= 0.95 MHz, f
5V SPAN – dBc
= 2.5 V)
2
INPUT POWER LEVEL (
9th
4
5V SPAN – dBFS
–30 –25 –20 –15 –10
1st
2V SPAN – dBFS
6
FREQUENCY – MHz
A
FREQUENCY – MHz
8th
8
= +25 C, Differential Input)
2nd
2V SPAN – dBc
2
7th
= 1.04 MHz,
CM
CM
3rd
f
1
= 2.5 V)
9
= 2.5 V)
IN
=
IN
6th
7
f
= 1.0 MHz
2
4th
= 5.0 MHz
) – dBFS
5
3
–5
REV.
SAMPLE
5th
1
5.0
5.0
0
=
B