Datasheet

AD9269
Rev. 0 | Page 13 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
AD9269-80
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, DCS disabled,
unless otherwise noted.
0
–140
–20
–40
–60
–80
–100
–120
0 5 10 15 20 25 30 35 40
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-033
80MSPS
9.7MHz @ –1dBFS
SNR = 76.8dB (77.8dBFS)
SFDR = 94.3dBc
Figure 6. AD9269-80 Single-Tone FFT with f
IN
= 9.7 MHz
0
–140
–20
–40
–60
–80
–100
–120
0 5 10 15 20 25 30 35 40
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-035
80MSPS
69MHz @ –1dBFS
SNR = 75.1dB (76.1dBFS)
SFDR = 89.5dBc
Figure 7. AD9269-80 Single-Tone FFT with f
IN
= 69 MHz
0
–15
–30
–45
–60
–90
–75
–105
–120
–135
4 8 12 16 20 24 28 32 36
FREQUENCY (MHz)
AMPLITUDE (dBFS)
08538-053
F2–F1
F1 + F2
2F1 – F2
2F2 + F1
2F1 + F2
2F2 – F1
80MSPS
28.3MHz @ –7dBFS
30.6MHz @ –7dBFS
SFDR = 89.5dBc (96.5dBFS)
Figure 8. AD9269-80 Two-Tone FFT with f
IN1
= 28.3 MHz and f
IN2
= 30.6 MHz
0
–140
–20
–40
–60
–80
–100
–120
0 5 10 15 20 25 30 35 40
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-034
80MSPS
30.6MHz @ –1dBFS
SNR = 76.5dB (77.5dBFS)
SFDR = 85.7dBc
Figure 9. AD9269-80 Single-Tone FFT with f
IN
= 30.6 MHz
0
–140
–20
–40
–60
–80
–100
–120
0 5 10 15 20 25 30 35 40
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-036
80MSPS
210MHz @ –1dBFS
SNR = 70dB (71dBFS)
SFDR = 79.7dBc
Figure 10. AD9269-80 Single-Tone FFT with f
IN
= 210 MHz
10
–30
–10
–50
–70
–90
–110
–130
–95 –65–75–85 –55 –45 –35 –25 –15
INPUT AMPLITUDE (dBFS)
SFDR/IMD3 (dBc/dBFS)
08538-054
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
Figure 11. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)
with f
IN1
= 28.3 MHz and f
IN2
= 30.6 MHz