AD7490 Analog Devices, AD7490 Datasheet - Page 9

• Manufacturer Part Number: AD7490
• Description: 16-Channel, 1MSPS, 12-Bit ADC with Sequencer in 28-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD7490

• Resolution (bits): 12bit
• # Chan: 16
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: CSP,SOP

–0.2
–0.4
–0.6
–0.8
–1.0
–50
–55
–60
–65
–70
–75
–80
–85
1.0
0.8
0.6
0.4
0.2
0
10
0
f
T
V
RANGE = 0V TO REF
V
TEMPERATURE = 25°C
S
A
DD
DD
= 1MSPS
= 25°C
= 5.25V
= V
512
R
Figure 9. THD vs. Analog Input Frequency
IN
for Various Analog Source Impedances
DRIVE
= 5Ω
1024
= 5V
Figure 10. Typical INL
INPUT FREQUENCY (Hz)
1536
IN
CODE
2048
100
R
IN
R
2560
IN
= 10Ω
= 100Ω
3072
R
IN
= 1000Ω
3584
1000
4096
Rev. C | Page 9 of 28
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0
0
V
TEMPERATURE = 25°C
DD
= V
512
DRIVE
1024
= 5V
Figure 11. Typical DNL
1536
CODE
2048
2560
3072
3584
AD7490
4096