AD7490_15 Datasheet, PDF (10/29 Pages) Analog Devices – 16-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 28-Lead TSSOP

Data Sheet
–50
f_S = 1MSPS
–55
T_A = 25°C
V_DD = 5.25V
RANGE = 0V TO REF_IN
–60
R_IN = 1000Ω
–65
–70
R_IN = 100Ω
–75
R_IN = 5Ω
–80
–85
10
R_IN = 10Ω
100
INPUT FREQUENCY (Hz)
1000
Figure 9. THD vs. Analog Input Frequency
for Various Analog Source Impedances
1.0
V_DD = V_DRIVE = 5V
0.8 _{TEMPERATURE = 25°C}
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
512 1024 1536 2048 2560 3072 3584 4096
CODE
Figure 10. Typical INL
AD7490
1.0
V_DD = V_DRIVE = 5V
0.8 _{TEMPERATURE = 25°C}
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
512 1024 1536 2048 2560 3072 3584 4096
CODE
Figure 11. Typical DNL
Rev. D | Page 9 of 28