AMC7812B Datasheet, PDF (24/92 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
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TYPICAL CHARACTERISTICS: ADC (continued)
At +25°C, unless otherwise noted.
1
0.8
0.6
INL Max
0.4
1
0.8
0.6
INL Max
0.4
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
Single−Ended Mode
0.2
0.2
0
0
−0.2
−0.2
−0.4
−0.6
INL Min
−0.8
0V to V_REF Mode
V_REF = 2.5V, Internal
Single−Ended Mode
−1
−40 −25 −10 5 20 35 50 65 80 95 110 125
T_A (°C )
Figure 55. LINEARITY ERROR vs TEMPERATURE
−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
0V to V_REF Mode
V_REF = 2.5V, Internal
Differential Mode
−1
−40 −25 −10 5 20 35 50 65 80 95 110 125
T_A (°C )
Figure 57. LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
INL Max
0V to (2 ⋅ V_REF) Mode
V_REF = 2.5V, Internal
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. LINEARITY ERROR vs TEMPERATURE
3
2.5
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
−2.5
−3
2.7
0V to V_REF Mode
0V to (2 ⋅ V_REF) Mode
T_A = +25°C
V_REF = 2.5V, Internal
Single−Ended Mode
3.1 3.5 3.9 4.3 4.7 5.1 5.5
AV_DD (V)
Figure 59. GAIN ERROR vs SUPPLY
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. GAIN ERROR vs TEMPERATURE
24
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