Datasheet

Data Sheet AD7625
Rev. A | Page 9 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
07652-005
FREQUENCY (MHz)
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0 0.5 1.0 1.5 2.0 2.5 3.0
Figure 3. FFT 2 kHz Input Tone, Full View
07652-007
FREQUENCY (MHz)
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT TONE = 50kHz
SNR = 93.04dB
SINAD = 92.63dB
THD = –103.57dB
SFDR = –102.69dB
Figure 4. FFT 50 kHz Input Tone
0
16,384 32,768 49,152 65,536
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
–0.5
07652-015
CODE
DNL (LSB)
Figure 5. Differential Nonlinearity vs. Code
07652-006
FREQUENCY (kHz)
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0 5 10 15 20 25 30 35 40 45
INPUT TONE = 2kHz
SNR = 93.16dB
SINAD = 92.09dB
THD = –110.45dB
SFDR = 111.37dB
Figure 6. FFT 2 kHz Input Tone, Zoom In on Input Tone and Harmonics
07652-008
FREQUENCY (MHz)
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT TONE = 100kHz
SNR = 92.91dB
SINAD = 92.55dB
THD = –103.11dB
SFDR = –103.41dB
Figure 7. FFT 100 kHz Input Tone
0 16,384
32,768 49,152 65,536
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
–1.0
07652-014
CODE
INL (LSB)
Figure 8. Integral Nonlinearity vs. Code