AD9641 Analog Devices, AD9641 Datasheet - Page 13

• Manufacturer Part Number: AD9641
• Description: 14-Bit, 80 MSPS/155 MSPS, 1.8 V Serial Output Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9641

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Ser
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Data Sheet
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 23. AD9641-155 Single-Tone FFT with f
Figure 24. AD9641-155 Single-Tone FFT with f
Figure 25. AD9641-155 Single-Tone FFT with f
0
0
0
0
0
0
155MSPS
70.1MHz @ –1dBFS
SNR = 70.7dB (71.7dBFS)
SFDR = 93dBc
7.75 15.50 23.25 31.00 38.75 46.50 54.25 62.00 69.75 77.50
7.75 15.50 23.25 31.00 38.75 46.50 54.25 62.00 69.75 77.50
7.75 15.50 23.25 31.00 38.75 46.50 54.25 62.00 69.75 77.50
SECOND HARMONIC
SECOND HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
THIRD HARMONIC
SECOND HARMONIC
THIRD HARMONIC
155MSPS
10.1MHz @ –1dBFS
SNR = 71.0dB (72.0dBFS)
SFDR = 95dBc
155MSPS
30.1MHz @ –1dBFS
SNR = 70.9dB (71.9dBFS)
SFDR = 95dBc
THIRD HARMONIC
IN
IN
IN
= 10.1 MHz
= 30.1 MHz
= 70.1 MHz
Rev. B | Page 13 of 36
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 26. AD9641-155 Single-Tone FFT with f
Figure 27. AD9641-155 Single-Tone FFT with f
Figure 28. AD9641-155 Single-Tone FFT with f
0
0
0
0
0
0
155MSPS
220.1MHz @ –1dBFS
SNR = 70.2dB (71.2dBFS)
SFDR = 89dBc
SECOND HARMONIC
7.75 15.50 23.25 31.00 38.75 46.50 54.25 62.00 69.75 77.50
7.75 15.50 23.25 31.00 38.75 46.50 54.25 62.00 69.75 77.50
7.75 15.50 23.25 31.00 38.75 46.50 54.25 62.00 69.75 77.50
THIRD HARMONIC
SECOND HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
SECOND HARMONIC
THIRD HARMONIC
155MSPS
140.1MHz @ –1dBFS
SNR = 70.7dB (71.7dBFS)
SFDR = 93dBc
155MSPS
180.1MHz @ –1dBFS
SNR = 70.3dB (71.3dBFS)
SFDR = 92dBc
THIRD HARMONIC
IN
IN
IN
= 140.1 MHz
= 180.1 MHz
= 220.1 MHz
AD9641