AMC7812B_15 Datasheet, PDF (17/92 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
www.ti.com
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
TYPICAL CHARACTERISTICS: DAC (continued)
At +25°C, unless otherwise noted.
1
Ch0
Ch4
Ch8
0.8
Ch1
Ch5
Ch9
0.6
Ch2
Ch6
Ch10
Ch3
Ch7
Ch11
0.4
1
Ch0
Ch3
Ch6
Ch9
0.8
Ch1
Ch4
Ch7
Ch10
0.6
Ch2
Ch5
Ch8
Ch11
0.4
0.2
0.2
0
0
−0.2
−0.2
−0.4
−0.4
−0.6
−0.8
−1
0
T_A = +25°C
Gain = 2
V_REF = 2.5V, Internal
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 18. DIFFERENTIAL LINEARITY ERROR vs CODE
−0.6
−0.8
−1
0
T_A = +25°C
Gain = 2
V_REF = 2.5V, Internal
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 19. LINEARITY ERROR vs CODE
50
60
T_A = +25°C
T_A = +25°C
Gain = 2
Gain = 5
40
10884 Channels
50
10368 Channels
40
30
30
20
20
10
10
0
0
Gain Error (%FSR)
Figure 20. GAIN ERROR
0.15
0.1
0.05
0
−0.05
−0.1
−0.15
−40 −25 −10 5
Gain = 2
V_REF = 2.5V, Internal
20 35 50 65 80 95 110
T_A (°C )
Figure 22. GAIN ERROR vs TEMPERATURE
Gain Error (%FSR)
Figure 21. GAIN ERROR
0.3
Gain = 5
V_REF = 2.5V, Internal
0.2
0.1
0
−0.1
−0.2
−0.3
−40 −25 −10 5 20 35 50 65 80 95 110
T_A (°C )
Figure 23. GAIN ERROR vs TEMPERATURE
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