AD9642 Analog Devices, AD9642 Datasheet - Page 13

• Manufacturer Part Number: AD9642
• Description: 14-Bit, 170 MSPS/210 MSPS/250 MSPS, 1.8 V Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9642

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: LVDS
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Figure 24. AD9642-210 Two-Tone FFT with f
Figure 23. AD9642-210 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 22. AD9642-210 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
–100
–120
–100
–120
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
–90.0 –81.7 –73.4 –65.1 –56.8 –48.5 –40.2 –31.9 –23.6 –15.3 –7.0
–90.0 –81.7 –73.4 –65.1 –56.8 –48.5 –40.2 –31.9 –23.6 –15.3 –7.0
0
0
0
with f
0
with f
210MSPS
89.12MHz @ –7dBFS
92.12MHz @ –7dBFS
SFDR = 89dBc (96dBFS)
IN1
IN1
15
= 184.12 MHz, f
IMD3 (dBc)
= 89.12 MHz, f
IMD3 (dBc)
30
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBFS)
SFDR (dBFS)
IMD3 (dBFS)
FREQUENCY (MHz)
IN2
IN2
45
= 92.12 MHz, f
= 187.12 MHz, f
60
IN1
= 89.12 MHz, f
75
S
= 210 MSPS
S
= 210 MSPS
90
IN2
= 92.12 MHz
105
IN
)
IN
Rev. 0 | Page 13 of 28
)
Figure 25. AD9642-210 Two-Tone FFT with f
Figure 26. AD9642-210 Single-Tone SNR/SFDR vs. Sample Rate (f
Figure 27. AD9642-210 Grounded Input Histogram, f
–100
–120
–140
6000
5000
4000
3000
2000
1000
–20
–40
–60
–80
100
95
90
85
80
75
70
0
0
0
15
30
with f
SAMPLE RATE (MSPS)
FREQUENCY (MHz)
OUTPUT CODE
45
IN
= 90 MHz
SFDR (dBc)
SNR (dBFS)
IN1
60
210MSPS
184.12MHz AT –7dBFS
187.12MHz AT –7dBFS
SFDR = 88dBc (95dBFS)
= 184.12 MHz, f
0.852 LSB rms
16,384 TOTAL HITS
75
S
= 210 MSPS
90
IN2
AD9642
= 187.12 MHz
105
S
)