Datasheet

Data Sheet AD9236
Rev. C | Page 11 of 36
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, sample rate = 80 MSPS, DCS disabled, T
A
= 25°C, 2 V p-p differential input, AIN = –0.5 dBFS,
VREF = 1.0 V external, unless otherwise noted.
0
–10
–20
–30
–40
–50
–60
–70
AMPLITUDE (dBFS)
–80
–90
–100
–110
–120
0 5 10 15 20 25 30 35 40
FREQUENCY (MHz)
03066-0-031
AIN = –0.5dBFS
SNR = 71.0dBc
ENOB = 11.5 BITS
SFDR = 93.6dBc
Figure 9. Single Tone 8K FFT @ 2.5 MHz
0
–10
–20
–30
–40
–50
–60
–70
AMPLITUDE (dBFS)
–80
–90
–100
–110
–120
0 5 10 15 20 25 30 35 40
FREQUENCY (MHz)
03066-0-032
AIN = –0.5dBFS
SNR = 70.6dBc
ENOB = 11.4 BITS
SFDR = 87.8dBc
Figure 10. Single Tone 8K FFT @ 39 MHz
0
–10
–20
–30
–40
–50
–60
–70
AMPLITUDE (dBFS)
–80
–90
–100
–110
–120
0 5 10 15 20 25 30 35 40
FREQUENCY (MHz)
03066-0-033
AIN = –0.5dBFS
SNR = 70.1dBc
ENOB = 11.3 BITS
SFDR = 81.9dBc
Figure 11. Single Tone 8K FFT @ 70 MHz
100
SNR/SFDR (dBc AND dBFS)
40
50
60
70
80
90
–30 –25 –20 –15 –10 –5 0
INPUT AMPLITUDE (dBFS)
03066-0-048
SFDR (dBFS)
SFDR (dBc)
SFDR = 90dB
REFERENCE LINE
SNR (dBFS)
SNR (dBc)
Figure 12. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 2.5 MHz
100
SNR/SFDR (dBc AND dBFS)
40
50
60
70
80
90
–30 –25 –20 –15 –10 –5 0
INPUT AMPLITUDE (dBFS)
03066-0-049
SFDR (dBFS)
SFDR (dBc)
SFDR = 90dB
REFERENCE LINE
SNR (dBFS)
SNR (dBc)
Figure 13. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 39 MHz
100
90
80
70
60
SNR/SFDR (dBc)
50
04020 60
SNR (DIFF)
80 100
SAMPLE RATE (MSPS)
03066-0-042
SFDR (DIFF)
SFDR (SE)
SNR (SE)
Figure 14. SNR/SFDR vs. Sample Rate @ 10 MHz