AD7277 Analog Devices, AD7277 Datasheet - Page 14

• Manufacturer Part Number: AD7277
• Description: 3 MSPS,10-Bit ADC in 6-Lead TSOT
• Manufacturer: Analog Devices

Specifications of AD7277

• Resolution (bits): 10bit
• # Chan: 1
• Sample Rate: 3MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SOP,SOT

AD7276/AD7277/AD7278
Figure 16. THD vs. Analog Input Frequency at 3 MSPS for Various Source
–0.2
–0.4
–0.6
–0.8
–1.0
Impedances, SCLK Frequency = 48 MHz, Supply Voltage = 3 V
–50
–55
–60
–65
–70
–75
–80
–85
–90
1.0
0.8
0.6
0.4
0.2
0
100
0
500
Figure 17. AD7276 INL Performance
1000
INPUT FREQUENCY (kHz)
R
1500
IN
= 100Ω
2000
CODE
2500
R
IN
= 10Ω
3000
R
IN
V
DD
= 0Ω
1000
3500
= 3V
4000
1500
Rev. C | Page 14 of 28
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0
0
500
Figure 18. AD7276 DNL Performance
1000
1500
2000
CODE
2500
3000
V
DD
3500
= 3V
4000