AMC1305L25-Q1 Datasheet, PDF (13/38 Pages) Texas Instruments – High-Precision, Reinforced Isolated Delta-Sigma Modulators

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AMC1305L25-Q1, AMC1305M05-Q1, AMC1305M25-Q1
SBAS797 – FEBRUARY 2017
7.13 Typical Characteristics
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.
AMC1305x25-Q1
AMC1305M05-Q1
AMC1305x25-Q1
AMC1305M05-Q1
Figure 6. Input Current vs Input Common-Mode Voltage
4
3
2
1
0
-1
-2
-3
-4
-0.25 -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 0.15 0.2 0.25
V_IN (mV)
D003
Figure 8. Integral Nonlinearity vs Input Signal Amplitude
150
125
100
75
50
25
0
-25
-50
-75
-100
-125
-150
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
AVDD (V)
D005
AMC1305x25-Q1
Figure 10. Offset Error vs High-Side Supply Voltage
Figure 7. Common-Mode Rejection Ratio vs
Input Signal Frequency
4
3.5
3
2.5
2
1.5
1
0.5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D004
Figure 9. Integral Nonlinearity vs Temperature
50
40
30
20
10
0
-10
-20
-30
-40
-50
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
AVDD (V)
D006
AMC1305M05-Q1
Figure 11. Offset Error vs High-Side Supply Voltage
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