AD9481 Analog Devices, AD9481 Datasheet - Page 14

• Manufacturer Part Number: AD9481
• Description: 8-Bit, 250 MSPS, 3.3 V A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9481

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,1 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

AD9481
–0.05
–0.10
–0.15
–0.5
–1.0
–1.5
–2.0
0.10
0.05
2.0
1.5
1.0
0.5
70
65
60
55
50
45
40
0
0
–40
–40
2.7
Figure 16. Full-Scale Gain Error vs. Temperature,
2.8
Figure 17. SINAD, SFDR vs. Temperature,
A
–20
–20
IN
Figure 18. VREF Sensitivity to AVDD
A
= 70.3 MHz @ −0.5 dBFS, 250 MSPS
IN
2.9
= 70 MHz @ −1 dBFS, 250 MSPS
FS = 1V
EXTERNAL REFERENCE
0
0
3.0
TEMPERATURE (°C)
TEMPERATURE (°C)
INTERNAL REFERENCE
3.1
AVDD (V)
20
20
3.2
FS = 1V
40
40
3.3
SINAD
SFDR
3.4
60
60
3.5
80
80
3.6
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–0.25
–0.50
–0.1
–0.2
–0.3
–0.4
–0.5
0.50
0.25
0.5
0.4
0.3
0.2
0.1
70
65
60
55
50
45
0
0
3.0
0
0
Figure 19. SNR, SINAD, and SFDR vs. Supply Voltage,
A
A
A
3.1
IN
IN
IN
50
50
= 10.3 MHz @ −0.5 dBFS, 250 MSPS
= 10.3 MHz @ −0.5 dBFS, 250 MSPS
SFDR
= 70.3 MHz @ −1 dBFS, 250 MSPS
Figure 20. Typical DNL Plot,
Figure 21. Typical INL Plot,
3.2
100
100
AVDD (V)
CODE
CODE
3.3
150
150
3.4
SINAD
200
200
3.5
SNR
250
250
3.6