AMC7812SPAPR Datasheet, PDF (22/92 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812
SBAS513E – JANUARY 2011 – REVISED SEPTEMBER 2013
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TYPICAL CHARACTERISTICS: ADC (continued)
At +25°C, unless otherwise noted.
DIFFERENTIAL LINEARITY ERROR vs CODE
1
LINEARITY ERROR vs CODE
1
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0
0
−0.2
−0.2
−0.4
−0.6
−0.8
−1
0
T_A = +25°C
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Differential Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 49.
−0.4
−0.6
−0.8
−1
0
T_A = +25°C
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Differential Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 50.
DIFFERENTIAL LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
DNL Max
0.4
0.2
0
−0.2
−0.4
DNL Min
−0.6
−0.8
−1
−40 −25 −10 5
20 35 50
T_A (°C )
Figure 51.
0V to V_REF Mode
V_REF = 2.5V, Internal
Single−Ended Mode
65 80 95 110 125
DIFFERENTIAL LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
DNL Max
0.4
0.2
0
−0.2
−0.4
DNL Min
−0.6
−0.8
−1
−40 −25 −10 5
20 35 50
T_A (°C )
Figure 52.
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Single−Ended Mode
65 80 95 110 125
DIFFERENTIAL LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
DNL Max
0.4
0.2
0
−0.2
−0.4
DNL Min
−0.6
−0.8
−1
−40 −25 −10 5
20 35 50
T_A (°C )
Figure 53.
0V to V_REF Mode
V_REF = 2.5V, Internal
Differential Mode
65 80 95 110 125
DIFFERENTIAL LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
DNL Max
0.4
0.2
0
−0.2
−0.4
DNL Min
−0.6
−0.8
−1
−40 −25 −10 5
20 35 50
T_A (°C )
Figure 54.
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Differential Mode
65 80 95 110 125
22
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