Datasheet

Data Sheet AD9253
Rev. 0 | Page 19 of 40
120
0
–100 0
SNR/SFDR (dBFS/dBc)
INPUT AMPLITUDE (dBFS)
10065-032
SFDRFS
SFDR
SNRFS
SNR
20
40
60
80
100
–90 –80 –70 –60 –50 –40 –30 –20 –10
Figure 36. SNR/SFDR vs. Analog Input Level, f
IN
= 9.7 MHz, f
SAMPLE
= 125 MSPS
0
–20
–40
–60
–80
–100
–120
–140
0 10203040 6050
AMPLITUDE (dBFS)
FREQUENCY (MHz)
10065-035
AIN1 AND AIN2 = –7dBFS
SFDR = 86.2dBc
IMD2 = 98.3dBc
IMD3 = 86.2dBc
Figure 37. Two-Tone 16k FFT with f
IN1
= 70.5 MHz and f
IN2
= 72.5 MHz,
f
SAMPLE
= 125 MSPS
0
–20
–40
–60
–80
–100
–120
–90 –78 –66 –54 –42 –6–18–30
SFDR/IMD3 (dBc/dBFS)
INPUT AMPLITUDE (dBFS)
10065-038
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
Figure 38. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
f
IN1
= 70.5 MHz and f
IN2
= 72.5 MHz, f
SAMPLE
= 125 MSPS
SNR/SFDR (dBFS/dBc)
INPUT FREQUENCY (MHz)
10065-041
100
0
0 200
70
10
20
30
40
50
60
80
90
100 120 1408020 40 60 180160
SNR (dBFS)
SFDR (dBc)
Figure 39. SNR/SFDR vs. f
IN
, f
SAMPLE
= 125 MSPS
100
70
–40 85
SNR/SFDR (dBFS/dBc)
TEMPERATURE (°C)
10065-044
75
80
85
90
95
–15103560
SFDR (dBc)
SNR (dBFS)
Figure 40. SNR/SFDR vs. Temperature, f
IN
= 10.3 MHz, f
SAMPLE
= 125 MSPS
2.5
–2.5
0 16000
INL (LSB)
OUTPUT CODE
10065-045
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
2000 4000 6000 8000 10000 12000 14000
Figure 41. INL, f
IN
= 9.7 MHz, f
SAMPLE
= 125 MSPS