TYPICAL PERFORMANCE CURVES (CONT)
T = +25°C, fS =800kHz, +VDIG = +VANA = +5V, –VANA = –5V, using internal reference and the 50Ω input resistors as shown in Figure 4b, unless otherwise specified.
CODE TRANSITION NOISE
1
0.5
0
100
75
–0.5
–1
All Codes INL
50
0
512
1024
1536
2048
2560
3072
3584
4095
Decimal Code
25
0
1
0.5
0
0
0.25
0.5
0.75
1
–0.5
–1
Analog Input Voltage – Expected Code Center (LSBs)
All Codes DNL
0
512
1024
1536
2048
2560
3072
3584
4095
Decimal Code
D.C. PARAMETERS vs. TEMPERATURE
INTERNAL REFERENCE VOLTAGE vs TEMPERATURE
2
1
0
–1
–2
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
Offset Error
0.2
0.1
0
–0.1
–0.2
+FS Error
0.2
0.1
0
–FS Error
–0.1
–75 –50 –25
0
25
50
75
100 125 150
–0.2
Temperature (°C)
–75 –50
–25
0
25
50
75
100 125 150
Temperature (°C)
CONVERSION TIME (t7) vs TEMPERATURE
1200
1150
1100
1050
1000
950
900
850
800
750
–75 –50 –25
0
25
50
75
100 125 150
Temperature (°C)
®
6
ADS7819
BB [ BURR-BROWN CORPORATION ]
