AMC1305L25-Q1 Datasheet, PDF (14/38 Pages) Texas Instruments – High-Precision, Reinforced Isolated Delta-Sigma Modulators

AMC1305L25-Q1, AMC1305M05-Q1, AMC1305M25-Q1
SBAS797 – FEBRUARY 2017
www.ti.com
Typical Characteristics (continued)
At T_A = 25°C, AVDD = 5.0 V, DVDD = 3.3 V, AINP = –250 mV to 250 mV, AINN = 0 V, f_CLKIN = 20 MHz, and sinc³ filter with
OSR = 256, unless otherwise noted.
150
50
125
40
100
30
75
50
20
25
10
0
0
-25
-10
-50
-20
-75
-100
-30
-125
-40
-150
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D007
AMC1305x25-Q1
-50
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (qC)
D008
AMC1305M05-Q1
Figure 12. Offset Error vs Temperature
AMC1305x25-Q1
AMC1305M05-Q1
Figure 13. Offset Error vs Temperature
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
AVDD (V)
D010
Figure 14. 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 15. Gain Error vs High-Side Supply Voltage
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
5
10
15
f_CLKIN (MHz)
20
D012
Figure 16. Gain Error vs Temperature
Figure 17. Gain Error vs Clock Frequency
14
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