Datasheet
AD7661
Rev. 0 | Page 12 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
–2.5
–1.5
–0.5
0.5
1.5
2.5
INL (LSB)
0 16384 32768 49152 65536
CODE
03033-0-005
2.0
1.0
–1.0
–2.0
0
Figure 5. Integral Nonlinearity vs. Code
0
10
20
30
40
0.0 0.5 1.0 1.5 2.0 2.5
POSITIVE INL (LSB)
NUMBER OF UNITS
03033-0-006
Figure 6. Typical Positive INL Distribution (194 Units)
60
10
20
30
40
0 0.25 0.50 0.75 1.75 1.50
POSITIVE DNL (LSB)
NUMBER OF UNITS
03033-0-007
0
50
1.00
Figure 7. Typical Positive DNL Distribution (194 Units)
–1.0
–0.5
0
0.5
1.0
1.5
DNL (LSB)
0 16384 32768 49152 65536
CODE
03033-0-008
Figure 8. Differential Nonlinearity vs. Code
40
10
20
30
–2.5 –2.0 –1.5 –1.0 0
NEGATIVE INL (LSB)
NUMBER OF UNITS
03033-0-009
0
–0.5
Figure 9. Typical Negative INL Distribution (194 Units)
–1.00
–0.75
–0.50 –0.25 0
40
10
20
30
NEGATIVE DNL (LSB)
NUMBER OF UNITS
03033-0-010
0
80
50
60
70
90
Figure 10. Typical Negative DNL Distribution (194 Units)