Datasheet

Data Sheet AD9613
Rev. C | Page 17 of 36
0
–20
–40
–60
–80
–100
–120
–7.0
–21.0–32.5
–44.0–55.5
–67.0
–78.5–90.0
INPUT AMPLITUDE (dBFS)
SFDR/IMD3 (dBc AND dBFS)
09637-019
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
SFDR (dBc)
Figure 12. AD9613-170 Two-Tone SFDR/IMD3 vs.
Input Amplitude (A
IN
) with f
IN1
= 184.12, f
IN2
= 187.12 MHz, f
S
= 170 MSPS
0
–20
–40
–60
–80
–100
–120
–140
100 20
30 40 50
60 70 80
FREQUENCY (MHz)
AMPLITUDE (dBFS)
09637-020
170MSPS
89.12MHz @ –7dBFS
92.12MHz @ –7dBFS
SFDR = 87dBc (94dBFS)
Figure 13. AD9613-170 Two-Tone FFT with f
IN1
= 89.12, f
IN2
= 92.12 MHz,
f
S
= 170 MSPS
0
–20
–40
–60
–80
–100
–120
–140
100 20 30 40 50 60 70 80
FREQUENCY (MHz)
AMPLITUDE (dBFS)
09637-021
170MSPS
184.12MHz @ –7dBFS
187.12MHz @ –7dBFS
SFDR = 84dBc (91dBFS)
Figure 14. AD9613-170 Two-Tone FFT with f
IN1
= 184.12, f
IN2
= 187.12 MHz,
f
S
= 170 MSPS
100
95
90
85
80
75
70
65
130 140 150 160120
110100
90
8070
605040 170
SAMPLE RATE (MSPS)
SNR/SFDR (dBc AND dBFS)
09637-022
SNR, CHANNEL B
SFDR, CHANNEL B
SNR, CHANNEL A
SFDR, CHANNE
L
A
Figure 15. AD9613-170 Single-Tone SNR/SFDR vs. Sample Rate (f
S
)
with f
IN
= 90 MHz
12,000
14,000
16,000
10,000
8000
6000
4000
2000
0
N + 1NN – 1
OUTPUT CODE
NUMBER OF HITS
09637-023
0.38LSB rms
16,384 TOTAL HITS
Figure 16. AD9613-170 Grounded Input Histogram
0
–20
THIRD HARMONIC
–40
–60
–80
–100
–120
–140
100 20 30 40 50 60 70 80
90
100
FREQUENCY (MHz)
AMPLITUDE (dBFS)
09637-024
210MSPS
90.1MHz @ –1dBFS
SNR = 69.5dB (70.5dBFS)
SFDR = 88dBc
Figure 17. AD9613-210 Single-Tone FFT with f
IN
= 90.1 MHz