Datasheet

AD9233
Rev. A | Page 12 of 44
0
–20
–40
–60
–80
–100
–120
–140
0 15.625 31.250 46.875 62.500
05492-019
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
225.3MHz @ –1dBFS
SNR = 68.5dBc (69.5dBFS)
ENOB = 11.0 BITS
SFDR = 80.4dBc
Figure 18. AD9233-125 Single-Tone FFT with F
IN
= 225.3 MHz
0
–20
–40
–60
–80
–100
–120
–140
0 15.625 31.250 46.875 62.500
05492-029
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
300.3MHz @ –1dBFS
SNR = 67.8dBc (68.8dBFS)
ENOB = 10.8 BITS
SFDR = 77.4dBc
Figure 19. AD9233-125 Single-Tone FFT with F
IN
= 300.3 MHz
120
0
–90 0
INPUT AMPLITUDE (dBFS)
SNR/SFDR (dBc and dBFS)
SNR (dBFS)
SFDR (dBFS)
SNR (dBc)
SFDR (dBc)
85dB REFERENCE LINE
100
80
60
40
20
–80 –70 –60 –50 –40 –30 –20 –10
05492-091
Figure 20. AD9233 Single-Tone SNR/SFDR vs.
Input Amplitude (AIN) with F
IN
= 2.4 MHz
100
90
95
85
80
75
70
65
60
0 15050 100 200 250
05492-021
SNR/SFDR (dBc)
INPUT FREQUENCY (MHz)
SNR = –40°C
SNR = +25°C
SFDR = –40°C
SFDR = +85°C
SFDR = +25°C
SNR = +85°C
Figure 21. AD9233 Single-Tone SNR/SFDR vs.
Input Frequency (F
IN
) and Temperature with 2 V p-p Full Scale
100
90
95
85
80
75
70
65
60
0 15050 100 200 250
SNR/SFDR (dBc)
INPUT FREQUENCY (MHz)
05492-022
SFDR = –40°C
SFDR = +25°C
SFDR = +85°C
SNR = +85°C
SNR = +25°C
SNR = –40°C
Figure 22. AD9233 Single-Tone SNR/SFDR vs.
Input Frequency (F
IN
) and Temperature with 1 V p-p Full Scale
1.0
–1.0
–0.8
–0.5
–0.3
0
0.3
0.5
–40 80
TEMPERATURE (°C)
–20 0 20 40 60
GAIN/OFFSET ERROR (%FSR)
0.8
OFFSET ERROR
GAIN ERROR
05492-031
Figure 23. AD9233 Gain and Offset vs. Temperature