AD7927 Analog Devices, AD7927 Datasheet - Page 11

• Manufacturer Part Number: AD7927
• Description: 8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
• Manufacturer: Analog Devices

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

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