AMC7836 Datasheet, PDF (20/88 Pages) Texas Instruments – AMC7836 High-Density, 12-Bit Analog Monitor and Control Solution With Multichannel ADC, Bipolar DACs, Temperature Sensor, and GPIO Ports

AMC7836
SLAS986C – NOVEMBER 2014 – REVISED APRIL 2016
6.10 Typical Characteristics: ADC
At T_A = 25°C (unless otherwise noted)
1.0
0.8
0.6
0.4
0.2
0.0
±0.2
±0.4
±0.6
±0.8
±1.0
0
512 1024 1536 2048 2560 3072 3584 4096
Code
C001
1.5
1.2
0.9
0.6
0.3
0.0
±0.3
±0.6
±0.9
±1.2
±1.5
0
Figure 36. ADC Linearity Error vs Code
Unipolar Input
512 1024 1536 2048 2560 3072 3584 4096
Code
C001
Figure 38. ADC Linearity Error vs Code
Bipolar Input
1.0
0.8
0.6
0.4
0.2
0.0
±0.2
±0.4
±0.6
INL MAX
±0.8
INL MIN
±1.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
T_A (ƒC)
C001
Figure 40. ADC Linearity Error vs Temperature
Unipolar Input
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1.0
0.8
0.6
0.4
0.2
0.0
±0.2
±0.4
±0.6
±0.8
±1.0
0
512 1024 1536 2048 2560 3072 3584 4096
Code
C001
Figure 37. ADC Differential Linearity Error vs Code
Unipolar Input
1.0
0.8
0.6
0.4
0.2
0.0
±0.2
±0.4
±0.6
±0.8
±1.0
0
512 1024 1536 2048 2560 3072 3584 4096
Code
C001
Figure 39. ADC Differential Linearity Error vs Code
Bipolar Input
1.0
0.8
0.6
0.4
0.2
0.0
±0.2
±0.4
±0.6
±0.8
±1.0
-40 -25 -10 5
DNL MAX
DNL MIN
20 35 50 65 80 95 110 125
T_A (ƒC)
C001
Figure 41. ADC Differential Linearity Error vs Temperature
Unipolar Input
20
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