AMC7812B Datasheet, PDF (18/92 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
TYPICAL CHARACTERISTICS: DAC (continued)
At +25°C, unless otherwise noted.
0.15
0.3
0.1
0.2
0.05
0.1
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T_A = +25°C
Gain = 5
V_REF = 2.5V, Internal
0
0
−0.05
−0.1
−0.15
4.5
T_A = +25°C
Gain = 2
V_REF = 2.5V, Internal
6 7.5 9 10.5 12 13.5 15 16.5 18
AV_CC (V)
Figure 24. GAIN ERROR vs SUPPLY
−0.1
−0.2
−0.3
12
13
14
15
16
17
18
AV_CC (V)
Figure 25. GAIN ERROR vs SUPPLY
35
T_A = +25°C
30 ^{Gain = 2}
V_REF = 2.5V, Internal
Code = 020h
25 _{2220 Channels}
20
15
10
5
0
Offset Error (mV)
Figure 26. OFFSET VOLTAGE
35
T_A = +25°C
30
Gain = 5
V_REF = 2.5V, Internal
Code = 020h
25
10884 Channels
20
15
10
5
0
Offset Error (mV)
Figure 27. OFFSET VOLTAGE
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
−40 −25 −10 5
Gain = 2
V_REF = 2.5V, Internal
Code = 020h
20 35 50 65 80 95 110
T_A (°C )
Figure 28. OFFSET VOLTAGE vs TEMPERATURE
5
4
3
2
1
0
−1
−2
−3
−4
−5
−40 −25 −10 5
Gain = 5
V_REF = 2.5V, Internal
Code = 020h
20 35 50 65 80 95 110
T_A (°C )
Figure 29. OFFSET VOLTAGE vs TEMPERATURE
18
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