AMC7812SPAPR Datasheet, PDF (23/92 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812
www.ti.com
SBAS513E – JANUARY 2011 – REVISED SEPTEMBER 2013
TYPICAL CHARACTERISTICS: ADC (continued)
At +25°C, unless otherwise noted.
LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
INL Max
0.4
LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
INL Max
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Single−Ended Mode
0.4
0.2
0.2
0
0
−0.2
−0.2
−0.4
−0.6
INL Min
−0.8
−1
−40 −25 −10 5
20 35 50
T_A (°C )
Figure 55.
0V to V_REF Mode
V_REF = 2.5V, Internal
Single−Ended Mode
65 80 95 110 125
−0.4
−0.6
INL Min
−0.8
−1
−40 −25 −10 5
20 35 50 65 80 95 110 125
T_A (°C )
Figure 56.
LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
INL Max
0.4
0.2
0
−0.2
−0.4
−0.6
INL Min
−0.8
−1
−40 −25 −10 5
20 35 50
T_A (°C )
Figure 57.
0V to V_REF Mode
V_REF = 2.5V, Internal
Differential Mode
65 80 95 110 125
LINEARITY ERROR vs TEMPERATURE
1
0.8
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
0.6
INL Max
Differential Mode
0.4
0.2
0
−0.2
−0.4
INL Min
−0.6
−0.8
−1
−40 −25 −10 5
20 35 50 65 80 95 110 125
T_A (°C )
Figure 58.
3
2.5
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
−2.5
−3
2.7
GAIN ERROR vs SUPPLY
0V to V_REF Mode
0V to (2 ⋅ V_REF) Mode
3.1 3.5 3.9 4.3
AV_DD (V)
Figure 59.
T_A = +25°C
V_REF = 2.5V, Internal
Single−Ended Mode
4.7 5.1 5.5
GAIN ERROR vs TEMPERATURE
3
2.5
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
−2.5
0V to V_REF Mode
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Single−Ended Mode
−3
−40 −25 −10 5 20 35 50 65 80 95 110 125
T_A (°C )
Figure 60.
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