AMC1304L05_15 Datasheet, PDF (13/39 Pages) Texas Instruments – AMC1304x High-Precision,Reinforced Isolated Delta-Sigma Modulators with LDO

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AMC1304L05, AMC1304L25, AMC1304M05, AMC1304M25
SBAS655C – SEPTEMBER 2014 – REVISED SEPTEMBER 2015
Typical Characteristics (continued)
At LDOIN = 15.0 V, DVDD = 3.3 V, AINP = –50 mV to 50 mV (AMC1304x05) or –250 mV to 250 mV (AMC1304x25),
AINN = 0 V, f_CLKIN = 20 MHz, and sinc³ filter with OSR = 256, unless otherwise noted.
100
50
80
40
60
30
40
20
20
10
0
0
-20
-10
-40
-20
-60
-30
-80
-40
-100
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D007
AMC1304x25
-50
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D008
AMC1304x05
100
80
60
40
20
0
-20
-40
-60
-80
-100
5
Figure 9. Offset Error vs Temperature
AMC1304x05
AMC1304x25
10
15
f_CLKIN (MHz)
20
D009
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
4
Figure 10. Offset Error vs Temperature
6
8
10
12
14
16
18
V_LDOIN (V)
D010
Figure 11. Offset Error vs Clock Frequency
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D011
Figure 12. Gain Error vs LDO Input Supply Voltage
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
5
10
15
f_CLKIN (MHz)
20
D012
Figure 13. Gain Error vs Temperature
Figure 14. Gain Error vs Clock Frequency
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