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SBAS014A – MARCH 1992 – REVISED SEPTEMBER 2010
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, f
S
=800kHz, +V
DIG
= +V
ANA
= +5V, –V
ANA
= –5V, using internal reference and the 50Ω input resistors as shown
in
unless otherwise specified.
CODE TRANSITION NOISE
0.5
0
-0.5
-1
0
1
All Codes INL
512
1024
1536
2048
2560
3072
3584
4096
Conversions Yielding Expected Code (%)
1
100
12-Bit LSBs
75
50
Decimal Code
12-Bit LSBs
0.5
0
-0.5
-1
0
All Codes DNL
512
1024
1536
2048
2560
3072
3584
4096
25
0
0
0.25
0.5
0.75
1
Analog Input Voltage: Expected Code Center (LSBs)
Decimal Code
Figure 9.
DC PARAMETERS vs TEMPERATURE
2
1
0
-1
-2
0.2
0.1
0
-0.1
-0.2
0.2
0.1
0
-0.1
-0.2
Figure 10.
INTERNAL REFERENCE VOLTAGE vs TEMPERATURE
2.520
2.515
LSB
From Ideal
Offset Error
Internal Reference (V)
2.510
2.505
2.500
2.495
2.490
2.485
THD (dB)
Percent
From Ideal
+F
S
Error
Percent
From Ideal
-F
S
Error
-75
-50
-25
0
25
50
75
100
125
150
2.480
-50
-25
0
25
Temperature (°C)
50
75
100
Temperature (°C)
Figure 11.
CONVERSION TIME (t
7
) vs TEMPERATURE
1200
1150
Figure 12.
Conversion Time (ns)
1100
1050
1000
950
900
850
800
750
-50
0
25
Temperature (°C)
50
75
100
-25
Figure 13.
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