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AMC7812 Datasheet, PDF (24/92 Pages) Texas Instruments – 12-Bit ANALOG MONITORING AND CONTROL SOLUTION with Multichannel ADC, DACs, and Temperature Sensors | |||
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AMC7812
SBAS513D â JANUARY 2011 â REVISED OCTOBER 2012
www.ti.com
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 â
VREF) Mode
VREF = 2.5V, Internal
SingleâEnded Mode
0.4
0.2
0.2
0
0
â0.2
â0.2
â0.4
â0.6
â0.8
INL Min
â1
â40 â25 â10 5
20 35 50
TA (°C )
Figure 55.
0V to VREF Mode
VREF = 2.5V, Internal
SingleâEnded Mode
65 80 95 110 125
â0.4
â0.6
INL Min
â0.8
â1
â40 â25 â10 5
20 35 50 65 80 95 110 125
TA (°C )
Figure 56.
LINEARITY ERROR vs TEMPERATURE
1
0.8
0.6
INL Max
0.4
0.2
0
â0.2
â0.4
â0.6
INL Min
â0.8
â1
â40 â25 â10 5
20 35 50
TA (°C )
Figure 57.
0V to VREF Mode
VREF = 2.5V, Internal
Differential Mode
65 80 95 110 125
LINEARITY ERROR vs TEMPERATURE
1
0.8
0V to (2 â
VREF) Mode
VREF = 2.5V, Internal
0.6
INL Max
Differential Mode
0.4
0.2
0
â0.2
â0.4
INL Min
â0.6
â0.8
â1
â40 â25 â10 5
20 35 50 65 80 95 110 125
TA (°C )
Figure 58.
3
2.5
2
1.5
1
0.5
0
â0.5
â1
â1.5
â2
â2.5
â3
2.7
GAIN ERROR vs SUPPLY
0V to VREF Mode
0V to (2 â
VREF) Mode
3.1 3.5 3.9 4.3
AVDD (V)
Figure 59.
TA = +25°C
VREF = 2.5V, Internal
SingleâEnded Mode
4.7 5.1 5.5
GAIN ERROR vs TEMPERATURE
3
2.5
2
1.5
1
0.5
0
â0.5
â1
â1.5
â2
â2.5
0V to VREF Mode
0V to (2 â
VREF) Mode
VREF = 2.5V, Internal
SingleâEnded Mode
â3
â40 â25 â10 5 20 35 50 65 80 95 110 125
TA (°C )
Figure 60.
24
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