AD7927 Analog Devices, AD7927 Datasheet - Page 11
AD7927
Manufacturer Part Number
AD7927
Description
8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
Manufacturer
Analog Devices
Datasheet
1.AD7927.pdf
(28 pages)
Specifications of AD7927
Resolution (bits)
12bit
# Chan
8
Sample Rate
200kSPS
Interface
Ser,SPI
Analog Input Type
SE-Uni
Ain Range
Uni (Vref),Uni (Vref) x 2
Adc Architecture
SAR
Pkg Type
SOP
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Data Sheet
Figure 8. THD vs. Analog Input Frequency for Various Source Impedances
–0.2
–0.4
–0.6
–0.8
–1.0
–55
–60
–65
–70
–75
–80
–85
–90
–95
1.0
0.8
0.6
0.4
0.2
0
10
0
f
T
AV
RANGE = 0 TO REF
AV
T
SAMPLE
A
A
DD
= 25°C
DD
= 25°C
512
= 5.25V
= V
= 200kSPS
DRIVE
1024
= 5V
INPUT FREQUENCY (kHz)
Figure 9. Typical INL
IN
R
1536
IN
= 1000Ω
R
CODE
2048
IN
= 100Ω
R
IN
= 50Ω
2560
3072
R
IN
= 10Ω
3584
4096
100
Rev. C | Page 11 of 28
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0
0
AV
T
A
DD
= 25°C
512
= V
DRIVE
1024
= 5V
Figure 10. Typical DNL
1536
CODE
2048
2560
3072
3584
AD7927
4096