AD6645 Analog Devices, AD6645 Datasheet - Page 9

• Manufacturer Part Number: AD6645
• Description: 14-Bit, 80 MSPS/105 MSPS A/D Converter
• Manufacturer: Analog Devices

Specifications of AD6645

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 105MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2.2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

TYPICAL PERFORMANCE CHARACTERISTICS
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0
0
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0
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0
ENCODE = 80MSPS
AIN = 29.5MHz @ –1dBFS
SNR = 74.5dB
SFDR = 93.0dBc
5
2
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3
Figure 5. Single Tone @ 15.5 MHz
Figure 6. Single Tone @ 29.5 MHz
Figure 4. Single Tone @ 2.2 MHz
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FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
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4
20
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2
ENCODE = 80MSPS
AIN = 2.2MHz @ –1dBFS
SNR = 75.0dB
SFDR = 93.0dBc
ENCODE = 80MSPS
AIN = 15.5MHz @ –1dBFS
SNR = 75.0dB
SFDR = 93.0dBc
25
25
25
30
30
30
2
3
35
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4
40
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Rev. D | Page 9 of 24
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–130
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–90
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–90
0
0
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0
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0
ENCODE = 80MSPS
AIN = 200MHz @ –1dBFS
SNR = 72.0dB
SFDR = 64.0dBc
2
5
5
5
Figure 7. Single Tone @ 69.1 MHz
Figure 8. Single Tone @ 150 MHz
Figure 9. Single Tone @ 200 MHz
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10
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10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
6
15
6
2
20
20
20
2
ENCODE = 80MSPS
AIN = 150MHz @ –1dBFS
SNR = 73.0dB
SFDR = 70.0dBc
ENCODE = 80MSPS
AIN = 69.1MHz @ –1dBFS
SNR = 73.5dB
SFDR = 89.0dBc
25
25
25
3
5
6
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30
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3
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4
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AD6645
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