AMC1200_1108 Datasheet, PDF (6/23 Pages) Texas Instruments – Fully-Differential Isolation Amplifier

AMC1200
SBAS542A – APRIL 2011 – REVISED AUGUST 2011
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TYPICAL CHARACTERISTICS
At VDD1 = VDD2 = 5 V, VINP = –250 mV to +250 mV, and VINN = 0 V, unless otherwise noted.
INPUT OFFSET
vs HIGH-SIDE SUPPLY VOLTAGE
2
1.5
INPUT OFFSET
vs LOW-SIDE SUPPLY VOLTAGE
2
VDD2 = 2.7 V to 3.6 V
1.5
1
1
0.5
0.5
0
0
−0.5
−0.5
−1
−1
−1.5
−1.5
−2
4.5
4.75
5
5.25
5.5
VDD1 (V)
Figure 1.
−2
2.7
3
3.3
3.6
VDD2 (V)
Figure 2.
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
4.5
INPUT OFFSET
vs LOW-SIDE SUPPLY VOLTAGE
VDD2 = 4.5 V to 5.5 V
4.75
5
5.25
5.5
VDD2 (V)
Figure 3.
INPUT OFFSET
vs TEMPERATURE
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
−40 −25 −10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 4.
COMMON-MODE REJECTION RATIO
vs INPUT FREQUENCY
130
120
110
100
90
80
70
60
50
0.1
1
10
100
Input Frequency (kHz)
Figure 5.
INPUT CURRENT
vs INPUT VOLTAGE
40
30
20
10
0
−10
−20
−30
−40
−400 −300 −200 −100 0
100 200 300 400
Input Voltage (mV)
Figure 6.
6
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