AD7666 Analog Devices, AD7666 Datasheet - Page 12

• Manufacturer Part Number: AD7666
• Manufacturer: Analog Devices

Specifications of AD7666

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 500kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,2.5V p-p,Uni (Vref),Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7666
TYPICAL PERFORMANCE CHARACTERISTICS
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
20
15
10
30
20
10
0
0
5
0
0
0
0
Figure 7. Typical Positive DNL Distribution (99 Units)
Figure 6. Typical Positive INL Distribution (99 Units)
0.25
Figure 5. Integral Nonlinearity vs. Code
16384
0.5
0.50
POSITIVE INL (LSB)
POSITIVE DNL (LSB)
32768
CODE
0.75
1.0
1.00
49152
1.5
1.25
65536
1.50
2.0
Rev. 0 | Page 12 of 28
–0.5
–1.0
1.5
1.0
0.5
20
15
10
40
30
20
10
0
–1.00
5
0
0
–2.0
0
Figure 10. Typical Negative DNL Distribution (99 Units)
Figure 9. Typical Negative INL Distribution (99 Units)
Figure 8. Differential Nonlinearity vs. Code
16384
–0.75
–1.5
NEGATIVE DNL (LSB)
NEGATIVE INL (LSB)
32768
CODE
–0.50
–1.0
49152
–0.25
–0.5
65536
0
0