Datasheet
AD7091R Data Sheet
Rev. 0 | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 5. Typical Dynamic Performance
Figure 6. Typical INL Performance
Figure 7. Typical DNL Performance
Figure 8. SNR vs. Analog Input Frequency
for Various Supply Voltages
Figure 9. THD vs. Analog Input Frequency
for Various Supply Voltages
Figure 10. THD vs. Source Impedance
–140
–120
–100
–80
–60
–40
–20
0
0 100 200 300 400 500
SNR (dB)
FREQUENCY (kHz)
V
DD
= 2.7V
V
DRIVE
= 3.3V
T
A
= 25°C
f
IN
= 10kHz
f
SAMPLE
= 1 MSPS
SNR = 69.32dB
SINAD = 68.66dB
THD = –84.42dB
10494-005
–1.0
–0.8
–0.6
–0.4
–0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 512 1024 1536 2048 2560 3072 3584 4096
INL (LSB)
CODE
10494-006
V
DD
= 2.7V
V
DRIVE
= 3.3V
T
A
= 25°C
f
SAMPLE
= 1 MSPS
–1.0
–0.8
–0.6
–0.4
–0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 512 1024 1536 2048 2560 3072 3584 4096
DNL (LSB)
CODE
V
DD
= 2.7V
V
DRIVE
= 3.3V
T
A
= 25°C
f
SAMPLE
= 1 MSPS
10494-007
60
62
64
66
68
70
72
1 10 100
SNR (dB)
INPUT FREQUENCY (kHz)
T
A
= 25°C
2.7V
3.0V
5.0V
10494-008
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
1 10 100
THD (dB)
INPUT FREQUENCY (kHz)
T
A
= 25°C
f
SAMPLE
= 1MSPS
2.7V
3.0V
5.0V
10494-009
–85
–80
–75
–70
–65
–60
–55
–50
10 100 1k 10k
THD (dB)
SOURCE IMPEDANCE (Ω)
10494-010
T
A
= 25°C
V
DD
= 3V
f
IN
= 10kHz
f
SAMPLE
= 1MSPS