Datasheet

−1
−0.5
0
0.5
1
1.5
2.7 3.2 3.7 4.2 4.7 5.2 5.7
Maximum DNL
Minimum DNL
AVDD, Analog Supply Voltage (V)
Differential Nonlinearity (LSB)
G006
−1
−0.5
0
0.5
1
1.5
2.5 3 3.5 4 4.5 5 5.5
Maximum DNL
Minimum DNL
Reference Voltage (V)
Differential Nonlinearity (LSB)
AVDD = 5.25 V
G010
−1
−0.5
0
0.5
1
1.5
−40 −25 −10 5 20 35 50 65 80 95 110 125
Maximum DNL
Minimum DNL
Free-Air Temperature (°C)
Differential Nonlinearity (LSB)
G008
−1.5
−1
−0.5
0
0.5
1
1.5
2.7 3.2 3.7 4.2 4.7 5.2 5.7
Maximum INL
Minimum INL
AVDD, Analog Supply Voltage (V)
Integral Nonlinearity (LSB)
G007
−1.5
−1
−0.5
0
0.5
1
1.5
2.5 3 3.5 4 4.5 5 5.5
Maximum INL
Minimum INL
Reference Voltage (V)
Integral Nonlinearity (LSB)
AVDD = 5.25 V
G011
−1.5
−1
−0.5
0
0.5
1
1.5
−40 −25 −10 5 20 35 50 65 80 95 110 125
Maximum INL
Minimum INL
Free-Air Temperature (°C)
Integral Nonlinearity (LSB)
G009
ADS7945
ADS7946
SBAS539B –JUNE 2011– REVISED SEPTEMBER 2011 www.ti.com
TYPICAL CHARACTERISTICS: ADS7945
At T
A
= +25°C, AVDD = 5 V, DVDD = 1.8 V, V
REF
= 2.5 V, and f
SAMPLE
= 2 MSPS, unless otherwise noted.
DNL vs ANALOG SUPPLY VOLTAGE DNL vs REFERENCE VOLTAGE
Figure 1. Figure 2.
DNL vs FREE-AIR TEMPERATURE INL vs ANALOG SUPPLY VOLTAGE
Figure 3. Figure 4.
INL vs REFERENCE VOLTAGE INL vs FREE-AIR TEMPERATURE
Figure 5. Figure 6.
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