HCPL-7800 Datasheet, PDF (10/17 Pages) Agilent(Hewlett-Packard) – High CMR Isolation Amplifiers

600
MEAN
± 2 SIGMA
400
200
0
-200
-400
-600
4.4 4.6 4.8 5.0 5.2 5.4 5.6
V_DD1 – INPUT SUPPLY VOLTAGE – V
Figure 3. Input-Referred Offset Drift
vs. V_DD1 (V_DD2 = 5 V).
400
MEAN
± 2 SIGMA
300
200
100
0
-100
-200
4.4 4.6 4.8 5.0 5.2 5.4 5.6
V_DD2 – OUTPUT SUPPLY VOLTAGE – V
Figure 4. Input-Referred Offset Drift
vs. V_DD2 (V_DD1 = 5 V).
+5 V
+5 V
0.1 µF
V_IN
0.01 µF
HCPL-7800
1
8
2
7
3
6
4
5
0.1 µF
10 K
10 K
0.33 µF
Figure 5. Gain and Nonlinearity Test Circuit.
+15 V
0.1 µF
+
V _OUT
-
AD624CD
GAIN = 1
0.33 µF
0.1 µF
-15 V
1.5
MEAN
± 2 SIGMA
1.0
0.5
0
-0.5
-1.0
-40 -20 0 20 40 60 80 100
T_A– TEMPERATURE – °C
Figure 6. Gain Drift vs. Temperature.
0.5
0
-0.5
-1.0
-1.5
-2.0
4.4 4.6
4.8 5.0
MEAN
± 2 SIGMA
5.2 5.4 5.6
V_DD1 – INPUT SUPPLY VOLTAGE – V
Figure 7. Gain Drift vs.
V_DD1 (V_DD2 = 5 V).
0.5
0.4
MEAN
± 2 SIGMA
0.3
0.2
0.1
0
-0.1
4.4 4.6 4.8 5.0 5.2 5.4 5.6
V _DD2 – OUTPUT SUPPLY VOLTAGE – V
Figure 8. Gain Drift vs.
V_DD2 (V_DD1 = 5 V).
0.3
MEAN
0.2
± 2 SIGMA
0.1
0
-0.1
-0.2
-0.3
-0.2
-0.1
0
0.1
0.2
V_IN – INPUT VOLTAGE – V
Figure 9. 200 mV Nonlinearity Error
Plot.
1-225