Datasheet

AD9230
Rev. 0 | Page 14 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, rated sample rate, DCS enabled, T
A
= 25°C, 1.25 V p-p differential input, AIN = −1 dBFS, unless
otherwise noted.
0
–20
–40
–60
–80
–100
–120
–140
AMPLITUDE (dBFS)
FREQUENCY (MHz)
170MSPS
10.3MHz @ –1.0dBFS
SNR: 64.6dB
ENOB: 10.6 BITS
SFDR: 82dBc
08060 705040302010
06002-133
60 705040302010
AMPLITUDE (dBFS)
FREQUENCY (MHz)
Figure 12. AD9230-170 64k Point Single-Tone FFT; 170 MSPS, 10.3 MHz
0
–20
–40
–60
–80
–100
–120
–140
08
0
40000
35000
30000
25000
20000
15000
10000
5000
0
N – 3 N – 2 N – 1 N N + 1 N + 2 N + 3 MORE
NUMBER OF HITS
BIN
INPUT REFERRED NOISE: 0.72 LSBs
06002-106
170MSPS
70.3MHz @ –1.0dBFS
SNR: 64.3dB
ENOB: 10.5 BITS
SFDR: 78dBc
06002-134
70605040302010
AMPLITUDE (dBFS)
FREQUENCY (MHz)
Figure 13. AD9230-170 64k Point Single-Tone FFT; 170 MSPS, 70.3 MHz
0
–20
–40
–60
–80
–100
–120
–140
08
0
06002-014
170MSPS
140.3MHz @ –1.0dBFS
SNR: 63.5dB
ENOB: 10.2 BITS
SFDR: 78dBc
Figure 14. AD9230-170 64k Point Single-Tone FFT; 170 MSPS, 140.3 MHz
Figure 15. AD9230-170 Grounded Input Histogram; 170 MSPS
85
80
75
70
65
60
55
50
0 450350 40030025020015050 100
SNR/SFDR (dB)
ANALOG INPUT FREQUENCY (MHz)
SNR (dB) –40°C
SFDR (dBc) –40°C
SNR (dB) +25°C
SFDR (dBc) +25°C
SFDR (dBc) +85°C
SNR (dB) +85°C
06002-109
Figure 16. AD9230-170 Single-Tone SNR/SFDR vs. Input Frequency (f
IN
) and
Temperature with 1.25 V p-p Full Scale; 170 MSPS
100
10
20
30
40
50
60
70
80
90
0
90 020 103040506080 70
SNR/SFDR (dB)
AMPLITUDE (–dBFS)
SNR (dBFS)
SFDR (dBc)
SFDR (dBFS)
SNR (dB)
06002-108
Figure 17. AD9230-170 SNR/SFDR vs. Input Amplitude; 140.3 MHz