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AMC7812 Datasheet, PDF (22/92 Pages) Texas Instruments – 12-Bit ANALOG MONITORING AND CONTROL SOLUTION with Multichannel ADC, DACs, and Temperature Sensors
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AMC7812
SBAS513D – JANUARY 2011 – REVISED OCTOBER 2012
www.ti.com
TYPICAL CHARACTERISTICS: ADC
At +25°C, unless otherwise noted.
DIFFERENTIAL LINEARITY ERROR vs CODE
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
0
TA = +25°C
0V to VREF Mode
VREF = 2.5V, Internal
Single−Ended Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 43.
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
0
LINEARITY ERROR vs CODE
TA = +25°C
0V to VREF Mode
VREF = 2.5V, Internal
Single−Ended Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 44.
DIFFERENTIAL LINEARITY ERROR vs CODE
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
0
TA = +25°C
0V to (2 ⋅ VREF) Mode
VREF = 2.5V, Internal
Single−Ended Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 45.
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
0
LINEARITY ERROR vs CODE
TA = +25°C
0V to (2 ⋅ VREF) Mode
VREF = 2.5V, Internal
Single−Ended Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 46.
DIFFERENTIAL LINEARITY ERROR vs CODE
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
0
TA = +25°C
0V to VREF Mode
VREF = 2.5V, Internal
Differential Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 47.
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
0
LINEARITY ERROR vs CODE
TA = +25°C
0V to VREF Mode
VREF = 2.5V, Internal
Differential Mode
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 48.
22
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